Take this medicine only as directed. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. To do so may increase the chance of side effects. The extended release capsules should be taken with liquids and swallowed whole.

Dosing

The dose of tolterodine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of tolterodine. If your dose is different, do not change it unless your doctor tells you to do so.

• For oral dosage form (tablets):
  • To treat bladder problems:
    • Adults 1 to 2 milligrams (mg) two times a day. Your doctor may change your dose.
    • Children Use and dose must be determined by your doctor.
• For oral dosage form (extended release capsules):
  • To treat bladder problems:
    • Adults 4 milligrams (mg) once a day. Your doctor may change your dose.
    • Children Use and dose must be determined by your doctor.

Missed dose

If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

Storage

To store this medicine:

• Keep out of the reach of children.
• Store away from heat and direct light.
• Do not store in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down.
• Keep the medicine from freezing. Do not refrigerate.
• Do not keep outdated medicine or medicine no longer needed. Be sure that any discarded medicine is out of the reach of children.

In deciding to use a medicine, the risks of taking tolterodine must be weighed against the good it will do. This is a decision you and your doctor will make. For tolterodine, the following should be considered:

Allergies Tell your doctor if you have ever had any unusual or allergic reaction to tolterodine. Also tell your health care professional if you are allergic to any other substances, such as foods, preservatives, or dyes.

Pregnancy Tolterodine has not been shown to cause birth defects in humans. However, studies in animals have shown that tolterodine causes death of the embryo, a decrease in the weight of the fetus, and other problems in the fetus. Before taking this medicine, make sure your doctor knows if you are pregnant or may become pregnant.

Breast-feeding It is not known whether tolterodine passes into breast milk. However, tolterodine does pass into the milk of animals and has caused a short-term loss of weight of the offspring. Mothers who are taking this medicine and who wish to breast-feed should discuss this with their doctor.

Children Studies on this medicine have been done only in adult patients, and there is no specific information comparing use of tolterodine in children with use in other age groups.

Older adults This medicine has been tested and has not been shown to cause different side effects or problems in older people than is does in younger adults.

Other medicines Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your health care professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.

• Glaucoma or
• Stomach problems or
• Urinary retention Tolterodine may make these conditions worse

• Liver problems A lower dose of tolterodine may be necessary
• Kidney problems A lower dose of tolterodine may be necessary