DRUG INTERACTIONS: Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for it. Do not start, stop or change the dosage of any medicine before checking with them first.

This drug should not be used with the following medication because very serious interactions may occur: pramlintide.

If you are currently using the medication listed above, tell your doctor or pharmacist before starting darifenacin.

Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: potassium tablets/capsules, other drugs that can cause dry mouth and constipation (e.g., anticholinergic medications such as atropine, antihistamines including diphenhydramine and scopolamine, other antispasmodics including dicyclomine, belladonna alkaloids), drugs affecting liver enzymes that remove darifenacin from your body (such as azole antifungals including itraconazole; macrolide antibiotics including clarithromycin; ritonavir; nelfinavir; nefazodone; rifamycins including rifabutin; St. John's wort; certain anti-seizure medicines including carbamazepine).

This drug can slow down the removal of other drugs from your body by affecting certain liver enzymes. These affected drugs include: flecainide, thioridazine, tricyclic antidepressants (e.g., amitriptyline, imipramine).

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.

OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include fast/irregular heartbeat, agitation.

NOTES: Do not share this medication with others.

MISSED DOSE: If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

STORAGE: Store at room temperature at 77 degrees F (25 degrees C) away from light and moisture. Brief storage between 59-86 degrees F (15-30 degrees C) is permitted. Do not store in the bathroom. Keep all medicines away from children and pets.

Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.

Information last revised April 2012. Copyright(c) 2012 First Databank, Inc.