Before taking trospium,
tell your doctor and pharmacist if you are allergic to trospium, any other medications, or any of the ingredients in trospium tablets or extended-release capsules. Ask your pharmacist for a list of the ingredients.
tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking. Be sure to mention any of the following: antacids; antihistamines; cold medications; ipratropium (Atrovent); medications for depression or mental illness; medications for inflammatory bowel disease or diarrhea, motion sickness, Parkinson's disease, ulcers, or urinary problems; metformin (Glucophage); morphine (MSIR, Oramorph, others); muscle relaxants; procainamide; tenofovir (Viread); and vancomycin (Vancocin). Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
tell your doctor if you have or have ever had glaucoma (an eye disease that can cause vision loss) or any type of blockage in the bladder or digestive system which causes delays or causes difficulty in emptying your bladder or stomach. Your doctor may tell you not to take trospium.
tell your doctor if you have or have ever had myasthenia gravis (a disorder of the nervous system that causes muscle weakness); ulcerative colitis (a condition which causes swelling and sores in the lining of the colon [large intestine] and rectum); any disease of the stomach or intestines; frequently occurring constipation; problems emptying your bladder;or benign prostatic hypertrophy (BPH, enlargement of the prostate, a male reproductive organ); or liver or kidney disease.
tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking trospium, call your doctor.
if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking trospium.
you should know that trospium may make you drowsy or dizzy and may cause blurred vision. Do not drive a car or operate machinery until you know how this medication affects you.
remember that alcohol can add to the drowsiness caused by this medication. You should not drink alcohol within 2 hours of taking trospium.
you should know that trospium may make it harder for your body to cool down when it gets very hot. Avoid exposure to extreme heat, and call your doctor or get emergency medical treatment if you have fever or other signs of heat stroke such as dizziness, upset stomach, headache, confusion, and fast heartbeat after you are exposed to heat.