DRUG INTERACTIONS: Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.This drug should not be used with the following medication because a very serious interaction may occur: pramlintide.If you are currently using the medication listed above, tell your doctor or pharmacist before starting mepenzolate.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: antihistamines (e.g., diphenhydramine, meclizine), antispasmodics (e.g., dicyclomine), belladonna alkaloids (e.g., scopolamine, atropine), certain antiarrhythmic drugs (e.g., quinidine, procainamide), certain drugs for Parkinson's disease (e.g., amantadine, levodopa, benztropine, trihexyphenidyl), corticosteroids (e.g., prednisone), digoxin (slow-dissolving type), drugs for glaucoma (e.g., timolol), drugs that affect stomach movement (e.g., metoclopramide), drugs which depend on stomach acidity (e.g., ketoconazole), MAO inhibitors (isocarboxazid, linezolid, methylene blue, moclobemide, phenelzine, procarbazine, rasagiline, selegiline, tranylcypromine), nitrates (e.g., isosorbide dinitrate), phenothiazines (e.g., promethazine, chlorpromazine), potassium tablets/capsules, tricyclic antidepressants (e.g., amitriptyline).Tell your doctor or pharmacist if you also take drugs that cause drowsiness such as: anti-seizure drugs (e.g., carbamazepine), medicine for sleep or anxiety (e.g., alprazolam, diazepam, zolpidem), muscle relaxants, narcotic pain relievers (e.g., meperidine, codeine), psychiatric medicines (e.g., chlorpromazine, risperidone, trazodone).Check the labels on all your medicines (e.g., cough-and-cold products) because they may contain drowsiness-causing ingredients. Ask your pharmacist about using those products safely.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
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