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Home / Drugs / Starting with T / Triprolidine
 
Triprolidine
 

indication

For the symptomatic relief of seasonal or perennial allergic rhinitis or nonallergic rhinitis; allergic conjunctivitis; and mild, uncomplicated allergic skin manifestations of urticaria and angioedema. Also used in combination with other agents for the symptomatic relief of symptoms associated with the common cold.

pharmacology

In allergic reactions an allergen interacts with and cross-links surface IgE antibodies on mast cells and basophils. Once the mast cell-antibody-antigen complex is formed, a complex series of events occurs that eventually leads to cell-degranulation and the release of histamine (and other chemical mediators) from the mast cell or basophil. Once released, histamine can react with local or widespread tissues through histamine receptors. Histamine, acting on H1-receptors, produces pruritis, vasodilatation, hypotension, flushing, headache, tachycardia, and bronchoconstriction. Histamine also increases vascular permeability and potentiates pain. Triprolidine, is a histamine H1 antagonist that competes with histamine for the normal H1-receptor sites on effector cells of the gastrointestinal tract, blood vessels and respiratory tract. It provides effective, temporary relief of sneezing, watery and itchy eyes, and runny nose due to hay fever and other upper respiratory allergies. Triprolidine has anticholinergic and sedative effects.

mechanism of action

Triprolidine binds to the histamine H1 receptor. This blocks the action of endogenous histamine, which subsequently leads to temporary relief of the negative symptoms brought on by histamine.

toxicity

Symptoms of overdose include drowsiness, weakness, inco-ordination, difficulty with micturition, respiratory depression, hypotension, agitation, irritability, convulsions, hypertension, palpitation and tachycardia.

absorption

Rapidly absorbed in the intestinal tract.

half life

4 to 6 hours.

drug interactions

Acetazolamide: The CNS depressants, Triprolidine and Acetazolamide, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Acetophenazine: The antihistamine, Triprolidine, may increase the arrhythmogenic effect of the phenothiazine, Acetophenazine. Monitor for symptoms of ventricular arrhythmias. Additive anticholinergic and CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Alfentanil: The CNS depressants, Triprolidine and Alfentanil, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Alprazolam: The CNS depressants, Triprolidine and Alprazolam, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Amitriptyline: Triprolidine and Amitriptyline, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Amobarbital: The CNS depressants, Triprolidine and Amobarbital, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Amoxapine: Triprolidine and Amoxapine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Aripiprazole: The CNS depressants, Triprolidine and Aripiprazole, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Atomoxetine: The CNS depressants, Triprolidine and Atomoxetine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Atropine: Triprolidine and Atropine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Azelastine: Concomitant therapy with triprolidine and azelastine, two anticholinergics and CNS depressants, may result in additive adverse/toxic effects. Monitor for enhanced anticholinergic and CNS depressant effects during concomitant therapy.

Baclofen: The CNS depressants, Triprolidine and Baclofen, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Benzatropine: Triprolidine and Benztropine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Benzphetamine: Triprolidine may reduce the sedative effect of the antihistamine, Benzphetamine.

Biperiden: Triprolidine and Biperiden, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Bromazepam: The CNS depressants, Triprolidine and Bromazepam, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Bromodiphenhydramine: Triprolidine and Bromodiphenhydramine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Brompheniramine: Triprolidine and Brompheniramine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Buprenorphine: The CNS depressants, Triprolidine and Buprenorphine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Bupropion: The CNS depressants, Triprolidine and Bupropion, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Butabarbital: The CNS depressants, Triprolidine and Butabarbital, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Butalbital: The CNS depressants, Triprolidine and Butalbital, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Butorphanol: The CNS depressants, Triprolidine and Butorphanol, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Carbamazepine: The CNS depressants, Triprolidine and Carbamazepine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Carbinoxamine: Triprolidine and Carbinoxamine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Carisoprodol: The CNS depressants, Triprolidine and Carisoprodol, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Chloral hydrate: The CNS depressants, Triprolidine and Chloral hydrate, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Chlordiazepoxide: The CNS depressants, Triprolidine and Chlordiazepoxide, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Chlorphenesin: The CNS depressants, Triprolidine and Chlorphenesin, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Chlorpheniramine: Triprolidine and Chlorpheniramine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Chlorpromazine: The antihistamine, Triprolidine, may increase the arrhythmogenic effect of the phenothiazine, Chlorpromazine. Monitor for symptoms of ventricular arrhythmias. Additive anticholinergic and CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Chlorzoxazone: The CNS depressants, Triprolidine and Chlorzoxazone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Citalopram: The CNS depressants, Triprolidine and Citalopram, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Clemastine: Concomitant therapy with triprolidine and clemastine, two anticholinergics and CNS depressants, may result in additive adverse/toxic effects. Monitor for enhanced anticholinergic and CNS depressant effects during concomitant therapy.

Clidinium: Triprolidine and Clidinium, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Clobazam: The CNS depressants, Triprolidine and Clobazam, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Clomipramine: Triprolidine and Clomipramine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Clonazepam: The CNS depressants, Triprolidine and Clonazepam, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Clorazepate: The CNS depressants, Triprolidine and Clorazepate, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Clozapine: Triprolidine and Clozapine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Codeine: The CNS depressants, Triprolidine and Codeine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Cyclizine: Triprolidine and Cyclizine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Cyclobenzaprine: Triprolidine and Cyclobenzaprine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Cyclopentolate: Triprolidine and Cyclopentolate, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Cyproheptadine: Triprolidine and Cyproheptadine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Dantrolene: The CNS depressants, Triprolidine and Dantrolene, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Darifenacin: Triprolidine and Darifenacin, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Desipramine: Triprolidine and Desipramine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Desloratadine: Triprolidine and Desloratadine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Dexbrompheniramine: Triprolidine and Dexbrompheniramine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Dextroamphetamine: Triprolidine may reduce the sedative effect of the antihistamine, Dextroamphetamine.

Dezocine: The CNS depressants, Triprolidine and Dezocine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Diazepam: The CNS depressants, Triprolidine and Diazepam, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Dicyclomine: Triprolidine and Dicyclomine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Dihydrocodeine: The CNS depressants, Triprolidine and Dihydrocodeine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Dimenhydrinate: Triprolidine and Dimenhydrinate, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Diphenhydramine: Triprolidine and Diphenhydramine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Donepezil: Possible antagonism of action

Doxepin: Triprolidine and Doxepin, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Doxylamine: Triprolidine and Doxylamine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Droperidol: Triprolidine and Droperidol, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Duloxetine: The CNS depressants, Triprolidine and Duloxetine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Entacapone: The CNS depressants, Triprolidine and Entacapone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Escitalopram: The CNS depressants, Triprolidine and Escitalopram, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Estazolam: The CNS depressants, Triprolidine and Estazolam, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Eszopiclone: The CNS depressants, Triprolidine and Eszopiclone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Ethanol: Triprolidine may enhance the CNS depressant effects of Ethanol.

Ethosuximide: The CNS depressants, Triprolidine and Ethosuximide, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Ethotoin: The CNS depressants, Triprolidine and Ethotoin, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Felbamate: The CNS depressants, Triprolidine and Felbamate, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Fentanyl: The CNS depressants, Triprolidine and Fentanyl, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Fexofenadine: Triprolidine and Fexofenadine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Flavoxate: Triprolidine and Flavoxate, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Flunarizine: The CNS depressants, Triprolidine and Flunarizine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Fluoxetine: The CNS depressants, Triprolidine and Fluoxetine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Flupenthixol: Triprolidine and Flupenthixol, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Fluphenazine: The antihistamine, Triprolidine, may increase the arrhythmogenic effect of the phenothiazine, Fluphenazine. Monitor for symptoms of ventricular arrhythmias. Additive anticholinergic and CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Flurazepam: The CNS depressants, Triprolidine and Flurazepam, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Fluvoxamine: The CNS depressants, Triprolidine and Fluvoxamine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Fosphenytoin: The CNS depressants, Triprolidine and Fosphenytoin, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Gabapentin: The CNS depressants, Triprolidine and Gabapentin, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Galantamine: Possible antagonism of action

Glutethimide: The CNS depressants, Triprolidine and Glutethimide, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Glycopyrrolate: Triprolidine and Glycopyrrolate, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Haloperidol: Triprolidine and Haloperidol, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Homatropine Methylbromide: Triprolidine and Homatropine Methylbromide, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Hydrocodone: The CNS depressants, Triprolidine and Hydrocodone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Hydromorphone: The CNS depressants, Triprolidine and Hydromorphone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Hydroxyzine: Triprolidine and Hydroxyzine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Hyoscyamine: Triprolidine and Hyoscyamine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Imipramine: Triprolidine and Imipramine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Ipratropium bromide: Triprolidine and Ipratropium, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Isocarboxazid: Triprolidine and Isocarboxazid, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Ketotifen: Triprolidine and Ketotifen, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Lamotrigine: The CNS depressants, Triprolidine and Lamotrigine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Levetiracetam: The CNS depressants, Triprolidine and Levetiracetam, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Levorphanol: The CNS depressants, Triprolidine and Levorphanol, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Lisdexamfetamine: Triprolidine may reduce the sedative effect of the antihistamine, Lisdexamfetamine.

Loratadine: Triprolidine and Loratadine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Lorazepam: The CNS depressants, Triprolidine and Lorazepam, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Loxapine: Triprolidine and Loxapine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Magnesium Sulfate: The CNS depressants, Triprolidine and Magnesium sulfate, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Maprotiline: Triprolidine and Maprotiline, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Meclizine: Triprolidine and Meclizine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Mepenzolate: Triprolidine and Mepenzolate, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Meperidine: The CNS depressants, Triprolidine and Meperidine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Mesoridazine: The antihistamine, Triprolidine, may increase the arrhythmogenic effect of the phenothiazine, Mesoridazine. Monitor for symptoms of ventricular arrhythmias. Additive anticholinergic and CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Metaxalone: The CNS depressants, Triprolidine and Metaxalone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Methadone: The CNS depressants, Triprolidine and Methadone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Methamphetamine: Triprolidine may reduce the sedative effect of the antihistamine, Methamphetamine.

Methantheline: Triprolidine and Methantheline, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Methocarbamol: The CNS depressants, Triprolidine and Methocarbamol, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Methohexital: The CNS depressants, Triprolidine and Methohexital, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Methsuximide: The CNS depressants, Triprolidine and Methsuximide, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Methylscopolamine: Triprolidine and Methylscopolamine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Midazolam: The CNS depressants, Triprolidine and Midazolam, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Mirtazapine: The CNS depressants, Triprolidine and Mirtazapine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Moclobemide: Triprolidine and Moclobemide, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Molindone: Triprolidine and Molindone, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Morphine: The CNS depressants, Triprolidine and Morphine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Nabilone: The CNS depressants, Triprolidine and Nabilone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Nalbuphine: The CNS depressants, Triprolidine and Nalbuphine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Nefazodone: The CNS depressants, Triprolidine and Nefazodone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Nortriptyline: Triprolidine and Nortriptyline, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Olanzapine: Triprolidine and Olanzapine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Orphenadrine: Triprolidine and Orphenadrine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Oxazepam: The CNS depressants, Triprolidine and Oxazepam, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Oxybutynin: Triprolidine and Oxybutynin, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Oxycodone: The CNS depressants, Triprolidine and Oxycodone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Oxymorphone: The CNS depressants, Triprolidine and Oxymorphone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Paliperidone: The CNS depressants, Triprolidine and Paliperidone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Paroxetine: The CNS depressants, Triprolidine and Paroxetine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Pentazocine: The CNS depressants, Triprolidine and Pentazocine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Pentobarbital: The CNS depressants, Triprolidine and Pentobarbital, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Perphenazine: The antihistamine, Triprolidine, may increase the arrhythmogenic effect of the phenothiazine, Perphenazine. Monitor for symptoms of ventricular arrhythmias. Additive anticholinergic and CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Phendimetrazine: Triprolidine may reduce the sedative effect of the antihistamine, Phendimetrazine.

Phenelzine: Triprolidine and Phenelzine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Phenindamine: Triprolidine and Phenindamine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Phenobarbital: The CNS depressants, Triprolidine and Phenobarbital, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Phentermine: Triprolidine may reduce the sedative effect of the antihistamine, Phentermine.

Phenytoin: The CNS depressants, Triprolidine and Phenytoin, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Pimozide: Triprolidine and Pimozide, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Pipotiazine: The antihistamine, Triprolidine, may increase the arrhythmogenic effect of the phenothiazine, Pipotiazine. Monitor for symptoms of ventricular arrhythmias.

Pramipexole: The CNS depressants, Triprolidine and Pramipexole, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Pramlintide: The anticholinergic effects of Triprolidine may be enhanced by Pramlintide. Additive effects of reduced GI motility may occur. Pramlintide slows gastic emptying and should not be used with drugs that alter GI motility (e.g. anticholinergics). Consider alternative treatments or use caution during concomitant therapy.

Prazepam: The CNS depressants, Triprolidine and Prazepam, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Pregabalin: The CNS depressants, Triprolidine and Pregabalin, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Primidone: The CNS depressants, Triprolidine and Primidone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Prochlorperazine: The antihistamine, Triprolidine, may increase the arrhythmogenic effect of the phenothiazine, Prochlorperazine. Monitor for symptoms of ventricular arrhythmias. Additive anticholinergic and CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Procyclidine: Triprolidine and Procyclidine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Promethazine: Triprolidine and Promethazine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Propantheline: Triprolidine and Propantheline, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Propoxyphene: The CNS depressants, Triprolidine and Propoxyphene, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Protriptyline: Triprolidine and Protriptyline, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Quazepam: The CNS depressants, Triprolidine and Quazepam, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Quetiapine: Triprolidine and Quetiapine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Ramelteon: The CNS depressants, Triprolidine and Ramelteon, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Remifentanil: The CNS depressants, Triprolidine and Remifentanil, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Reserpine: The CNS depressants, Triprolidine and Reserpine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Risperidone: Triprolidine and Risperidone, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Rotigotine: The CNS depressants, Triprolidine and Rotigotine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Scopolamine: Triprolidine and Scopolamine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Secobarbital: The CNS depressants, Triprolidine and Secobarbital, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Sertraline: The CNS depressants, Triprolidine and Sertraline, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Solifenacin: Triprolidine and Solifenacin, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Sufentanil: The CNS depressants, Triprolidine and Sufentanil, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Tacrine: The therapeutic effects of the central acetylcholinesterase inhibitor, Tacrine, and/or the anticholinergic, Triprolidine, may be reduced due to antagonism. The interaction may be beneficial when the anticholinergic action is a side effect. Monitor for decreased efficacy of both agents.

Temazepam: The CNS depressants, Triprolidine and Temazepam, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Tetrabenazine: The CNS depressants, Triprolidine and Tetrabenazine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Thalidomide: The CNS depressants, Triprolidine and Thalidomide, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Thiopental: The CNS depressants, Triprolidine and Thiopental, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Thioridazine: The antihistamine, Triprolidine, may increase the arrhythmogenic effect of the phenothiazine, Thioridazine. Monitor for symptoms of ventricular arrhythmias. Additive anticholinergic and CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Thiothixene: Triprolidine and Thiothixene, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Tiagabine: The CNS depressants, Triprolidine and Tiagabine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Tiotropium: Triprolidine and Tiotropium, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Tizanidine: The CNS depressants, Triprolidine and Tizanidine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Tolcapone: The CNS depressants, Triprolidine and Tolcapone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Tolterodine: Triprolidine and Tolterodine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Topiramate: The CNS depressants, Triprolidine and Topiramate, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Tramadol: The CNS depressants, Triprolidine and Tramadol, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Tranylcypromine: Concomitant therapy with triprolidine and tranylcypromine, two anticholinergics and CNS depressants, may result in additive adverse/toxic effects. Monitor for enhanced anticholinergic and CNS depressant effects during concomitant therapy.

Trazodone: The CNS depressants, Triprolidine and Trazodone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Triazolam: The CNS depressants, Triprolidine and Triazolam, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Trifluoperazine: The antihistamine, Triprolidine, may increase the arrhythmogenic effect of the phenothiazine, Trifluoperazine. Monitor for symptoms of ventricular arrhythmias. Additive anticholinergic and CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Trihexyphenidyl: Triprolidine and Trihexyphenidyl, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Trimeprazine: Triprolidine and Trimeprazine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Trimethadione: The CNS depressants, Triprolidine and Trimethadione, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Trimethobenzamide: Concomitant therapy with Triprolidine and Trimethobenzamide, two anticholinergics, may result in additive anticholinergic effects. Monitor for enhanced anticholinergic effects.

Trimipramine: Triprolidine and Trimipramine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.

Trospium: Trospium and Triprolidine, two anticholinergics, may cause additive anticholinergic effects and enhanced adverse/toxic effects. Monitor for enhanced anticholinergic effects.

Venlafaxine: The CNS depressants, Triprolidine and Venlafaxine, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Vigabatrin: The CNS depressants, Triprolidine and Vigabatrin, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Zaleplon: The CNS depressants, Triprolidine and Zaleplon, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Ziprasidone: The CNS depressants, Triprolidine and Ziprasidone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Zolpidem: The CNS depressants, Triprolidine and Zolpidem, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Zonisamide: The CNS depressants, Triprolidine and Zonisamide, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Zopiclone: The CNS depressants, Triprolidine and Zopiclone, may increase adverse/toxic effects due to additivity. Monitor for increased CNS depressant effects during concomitant therapy.

Zuclopenthixol: Triprolidine and Zuclopenthixol, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.