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amitriptyline/chlordiazepoxide - oral, Limbitrol (cont.)

DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.Some products that may interact with this product include:anticholinergic drugs (such as benztropine, belladonna alkaloids), other drugs that can cause bleeding/bruising (including antiplatelet drugs such as clopidogrel, NSAIDs such as ibuprofen, "blood thinners" such as warfarin), certain drugs for high blood pressure (drugs that work in the brain such as clonidine, guanabenz, reserpine), clozapine, levodopa, thyroid supplements.Taking MAO inhibitors with this medication may cause a serious (possibly fatal) drug interaction. Avoid taking MAO inhibitors (isocarboxazid, linezolid, methylene blue, moclobemide, phenelzine, procarbazine, rasagiline, selegiline, tranylcypromine) during treatment with this medication. Most MAO inhibitors should also not be taken for two weeks before and after treatment with this medication. Ask your doctor when to start or stop taking this medication.Other medications can affect the removal of amitriptyline and chlordiazepoxide from your body, thereby affecting how amitriptyline/chlordiazepoxide works. These drugs include cimetidine, disulfiram, fluconazole, terbinafine, drugs to treat irregular heart rate (such as quinidine/propafenone/flecainide), antidepressants (such as SSRIs like citalopram/fluvoxamine/paroxetine/sertraline). This is not a complete list.Many drugs besides amitriptyline may affect the heart rhythm (QT prolongation in the EKG), including amiodarone, cisapride, dofetilide, pimozide, procainamide, quinidine, sotalol, macrolide antibiotics (such as erythromycin), among others. Therefore, before using amitriptyline/chlordiazepoxide, report all medications you are currently using to your doctor or pharmacist.Cigarette smoking decreases blood levels of chlordiazepoxide. Tell your doctor if you smoke or if you have recently stopped smoking.Tell your doctor or pharmacist if you are taking other products that cause drowsiness including alcohol, antihistamines (such as cetirizine, diphenhydramine), drugs for sleep or anxiety (such as alprazolam, diazepam, zolpidem), muscle relaxants, and narcotic pain relievers (such as codeine).Check the labels on all your medicines (such as allergy or cough-and-cold products) because they may contain ingredients that cause drowsiness. Ask your pharmacist about using those products safely.Aspirin can increase the risk of bleeding when used with this medication. However, if your doctor has directed you to take low-dose aspirin for heart attack or stroke prevention (usually at dosages of 81-325 milligrams a day), you should continue taking it unless your doctor instructs you otherwise. Ask your doctor or pharmacist for more details.Also report the use of drugs which might increase seizure risk when combined with amitriptyline including isoniazid (INH), phenothiazines (such as thioridazine), theophylline, or tricyclic antidepressants (such as nortriptyline), among others. Consult your doctor or pharmacist for details.

Medically Reviewed by a Doctor on 4/16/2014


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