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FesoterodinePrecautionsBefore taking fesoterodine, tell your doctor or pharmacist if you are allergic to it; or to tolterodine; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: problems emptying your bladder (urinary retention, bladder outflow obstruction), stomach/intestinal problems (such as blockage, constipation, ulcerative colitis, slowed movement of stomach/intestines), a certain eye condition (narrow-angle glaucoma), kidney disease, liver disease, a certain muscle disease (myasthenia gravis). This drug may make you dizzy or drowsy or blur your vision. Alcohol or marijuana (cannabis) can make you more dizzy or drowsy. Do not drive, use machinery, or do anything that needs alertness or clear vision until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis). Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). This medication can cause decreased sweating. Avoid becoming overheated in hot weather, saunas, or during exercise or other strenuous activities since heatstroke may occur. Older adults may be more sensitive to the side effects of this drug, especially dizziness, dry mouth, and constipation. During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. It is unknown if this drug passes into breast milk. Consult your doctor before breastfeeding. Side EffectsDry mouth, dry eyes, constipation, dizziness, drowsiness, or blurred vision may occur. If any of these effects last or get worse, notify your doctor or pharmacist promptly. To relieve dry mouth, suck on (sugarless) hard candy or ice chips, chew (sugarless) gum, drink water or use a saliva substitute. To prevent constipation, eat dietary fiber, drink enough water, and exercise. You may also need to take a laxative. Ask your pharmacist which type of laxative is right for you. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell your doctor right away if you have any serious side effects, including: constipation lasting 3 or more days, severe stomach/abdominal pain, trouble urinating, signs of kidney infection (such as burning/painful urination, lower back pain, fever). Get medical help right away if you have any very serious side effects, including: fast heartbeat, fainting. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345. |