Brand Names: Detrol, Detrol LA

Generic Name: tolterodine (Pronunciation: tol TER oh deen)

• What is tolterodine (Detrol)?
• What are the possible side effects of tolterodine (Detrol)?
• What is the most important information I should know about tolterodine (Detrol)?
• What should I discuss with my healthcare provider before taking tolterodine (Detrol)?
• How should I take tolterodine (Detrol)?
• What happens if I miss a dose (Detrol)?
• What happens if I overdose (Detrol)?
• What should I avoid while taking tolterodine (Detrol)?
• What other drugs will affect tolterodine (Detrol)?
• Where can I get more information?

What is tolterodine (Detrol)?

Tolterodine reduces spasms of the bladder muscles.

Tolterodine is used to treat overactive bladder with symptoms of urinary frequency, urgency, and incontinence.

Tolterodine may also be used for purposes not listed in this medication guide.

Detrol 1mg

round, white, imprinted with TO

Detrol 2 mg

round, white, imprinted with DT

Detrol LA 2 mg

green, imprinted with LOGO 2

Detrol LA 4 mg

blue, imprinted with 4

What are the possible side effects of tolterodine (Detrol)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using tolterodine and call your doctor at once if you have any of these serious side effects:

• chest pain, fast or uneven heart rate;
• confusion, hallucinations;
• urinating less than usual or not at all; or
• painful or difficult urination.

Less serious side effects may include:

• dry mouth, dry eyes;
• blurred vision;
• dizziness, drowsiness;
• constipation or diarrhea;
• stomach pain or upset;
• joint pain; or
• headache.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the Detrol (tolterodine tartrate) Side Effects Center for a complete guide to possible side effects »

What is the most important information I should know about tolterodine (Detrol)?

You should not take this medication if you are allergic to tolterodine or fesoterodine (Toviaz), if you have untreated or uncontrolled narrow-angle glaucoma, or if you have a blockage of the urinary tract, stomach, or intestines.

Before you take tolterodine, tell your doctor if you have kidney or liver disease, glaucoma, myasthenia gravis, or a personal or family history of "Long QT syndrome."

Do not crush, chew, break, or open a controlled-release capsule. Swallow it whole. Breaking or opening the pill may cause too much of the drug to be released at one time.

Tolterodine may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.

Drinking alcohol can increase some of the side effects of tolterodine.