Generic Name: fesoterodine (FES-oh-TER-oh-deen)
Brand Name: Toviaz
Fesoterodine is used for:
Treating overactive bladder with symptoms of urinary frequency, urgency, and leakage. It may also be used for other conditions as determined by your doctor.
Fesoterodine is an antimuscarinic (anticholinergic) agent. It works by blocking a chemical that causes contractions of the bladder.
Do NOT use fesoterodine if:
- you are allergic to any ingredient in fesoterodine or to tolterodine
- you have delayed or slow emptying of your stomach (gastric retention)
- you are not able to empty your bladder (urinary retention)
- you have uncontrolled narrow-angle glaucoma or severe liver problems
- you are taking a solid oral potassium product (eg, tablet)
Contact your doctor or health care provider right away if any of these apply to you.
Before using fesoterodine:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have glaucoma or increased pressure in the eye; a blockage of the bladder, stomach, or bowel; stomach or bowel problems (eg, severe constipation); liver or kidney problems; myasthenia gravis (muscle weakness); trouble urinating; or a weak urine stream
- if you or a family member has a history of irregular heartbeat (eg, prolonged QT)
Some MEDICINES MAY INTERACT with fesoterodine. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Anticholinergics (eg, scopolamine), clarithromycin, itraconazole, ketoconazole, nefazodone, posaconazole, protease inhibitors (eg, boceprevir, ritonavir), or telithromycin because they may increase the risk of fesoterodine's side effects
- Solid oral potassium products (eg, tablets) because the risk of stomach or bowel irritation may be increased by fesoterodine
This may not be a complete list of all interactions that may occur. Ask your health care provider if fesoterodine may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use fesoterodine:
Use fesoterodine as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- An extra patient leaflet is available with fesoterodine. Talk to your pharmacist if you have questions about this information.
- Take fesoterodine by mouth with or without food. Take it with liquid.
- Swallow fesoterodine whole. Do not break, crush, or chew before swallowing.
- Take fesoterodine on a regular schedule to get the most benefit from it. Taking fesoterodine at the same time each day will help you remember to take it.
- Continue to take fesoterodine even if you feel well. Do not miss any doses.
- If you miss a dose of fesoterodine, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses on the same day.
Ask your health care provider any questions you may have about how to use fesoterodine.
Important safety information:
- Fesoterodine may cause drowsiness, dizziness, or blurred vision. These effects may be worse if you take it with alcohol or certain medicines. Use fesoterodine with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Check with your doctor before you drink alcohol while you are taking fesoterodine.
- Do NOT take more than the recommended dose without checking with your doctor.
- A severe and sometimes life-threatening side effect called angioedema has been reported with fesoterodine. Contact your doctor at once if you develop swelling of the hands, face, lips, eyes, throat, or tongue; difficulty swallowing or breathing; or unusual hoarseness.
- Fesoterodine may cause decreased sweating. Do not become overheated in hot weather or while you are being active; heatstroke may occur. Contact your doctor if you have been exposed to high temperatures and you develop fever; flushing; hot, dry skin; severe or persistent headache; dizziness; sudden fatigue; fast heartbeat; seizures; or fainting.
- Fesoterodine may cause dry mouth. To help relieve dry mouth, suck on sugarless hard candy or ice chips, chew sugarless gum, drink water, or use a saliva substitute. Ask your doctor or pharmacist if you have any questions.
- Use fesoterodine with caution in the ELDERLY; they may be more sensitive to its effects, especially an increased risk of urinary tract infection, urinary retention, dry mouth, constipation, indigestion, heartburn, or dizziness.
- Fesoterodine should be used with extreme caution in CHILDREN; safety and effectiveness in children have not been confirmed.
- PREGNANCY and BREAST-FEEDING: It is not known if fesoterodine can cause harm to the fetus. If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using fesoterodine while you are pregnant. It is not known if fesoterodine is found in breast milk. If you are or will be breast-feeding while you use fesoterodine, check with your doctor. Discuss any possible risks to your baby.
Possible side effects of fesoterodine:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur:
Constipation; dizziness; drowsiness; dry eyes; dry mouth; headache; indigestion; mild stomach pain.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, throat, or tongue; unusual hoarseness); blurred vision; chest pain; difficult or painful urination; fast or irregular heartbeat; severe or persistent dizziness, drowsiness, or headache; severe or persistent constipation or diarrhea; severe stomach cramps or pain; swelling of the hands, ankles, or feet.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include difficulty breathing; difficulty urinating; dilated pupils; excitation; fast heartbeat; hallucinations; seizures.Proper storage of fesoterodine:
Store fesoterodine at room temperature, between 68 and 77 degrees F (20 and 25 degrees C). Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Store away from heat, moisture, and light. Do not store in the bathroom. Keep fesoterodine out of the reach of children and away from pets.
- If you have any questions about fesoterodine, please talk with your doctor, pharmacist, or other health care provider.
- Fesoterodine is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information should not be used to decide whether or not to take fesoterodine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about fesoterodine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to fesoterodine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using fesoterodine.
Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.