Part Two of Detrol Information, Focusing on Side Effects, Discontinuation or Withdrawal Effects, and Additional Information

This second section of our medication database entry focuses on potential side effects, withdrawal or discontinuation effects, and additional information, while part one covers basic drug characteristics, uses and benefits.

What are the possible side effects of tolterodine?

  • If you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives), stop taking tolterodine and seek emergency medical attention.
  • Other, less serious side effects may be more likely to occur. Continue to take tolterodine and talk to your doctor if you experience
    • dry mouth,
    • dryness of the eyes,
    • blurred vision or large pupils,
    • upset stomach,
    • headache,
    • constipation,
    • difficulty urinating,
    • drowsiness, or
    • dizziness.
  • Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

What other drugs will affect tolterodine?

  • Before taking tolterodine, tell your doctor if you are taking any of the following medicines:
    • clarithromycin (Biaxin) or erythromycin (E-Mycin, Ery-Tab, E.E.S., P.C.E., others);
    • ketoconazole (Nizoral), itraconazole (Sporanox), or miconazole (Monistat);
    • cyclosporine (Neoral, Sandimmune); or
    • vinblastine (Velban).
  • You may need a dosage adjustment or special monitoring during treatment if you are taking any of the medicines listed above.
  • Tolterodine may increase the effects of other drugs that cause drowsiness, including antidepressants, alcohol, antihistamines, sedatives (used to treat insomnia), pain relievers, anxiety medicines, and muscle relaxants. Tell your doctor about all medicines that you are taking, and do not take any medicine unless your doctor approves.
  • Drugs other than those listed here may also interact with tolterodine. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines, including herbal products.

Where can I get more information?

  • Your pharmacist has more information about tolterodine written for health professionals that you may read.
  • Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Limitations and the Source of Our Online Medication Information Database

Although we have made considerable efforts to ensure that the information provided here is accurate, up-to-date, and complete, MedLibrary.org makes no guarantee to that effect. Drug information contained herein may be time sensitive. This medication information does not endorse drugs, diagnose patients or recommend any specific pharmacotherapy. This is an educational resource only -- intended to supplement but not to replace the expertise, skill, knowledge and judgment of medically qualified healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, please check with your doctor, nurse or local pharmacist. MedLibrary.org does not assume any responsibility for any aspect of healthcare administered with the aid of information provided here.

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Version: 3.02. Revision Date: 2/14/03.