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(flavoxate hydrochloride) Tablet, Film Coated
URISPAS® (flavoxate HC1) tablets contain flavoxate hydrochloride, a synthetic urinary tract spasmolytic.
Chemically, flavoxate hydrochloride is 2-piperidinoethyl 3-methyl-4-oxo-2-phenyl-4H-1-benzopyran-8-carboxylate hydrochloride. The empirical formula of flavoxate hydrochloride is C24H25NO4• HCl. The molecular weight is 427.94. The structural formula appears below.
URISPAS® is supplied in tablets for oral administration. Each round, white, film-coated URISPAS® tablet is debossed with the product name URISPAS® and contains flavoxate hydrochloride, 100 mg. Inactive ingredients consist of calcium phosphate, hypromellose, magnesium stearate, polyethylene glycol, starch and talc.
What are the possible side effects of flavoxate (Urispas)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using flavoxate and call your doctor at once if you have any of these serious side effects:
- hot, dry skin and extreme thirst;
- pounding heartbeats, fluttering in your chest; or
- urinating less than usual or not at all.
Less serious side effects may include:
- dry mouth;
- blurred vision;
- nausea, vomiting;
What are the precautions when taking flavoxate hcl (Urispas)?
Before taking flavoxate, tell your doctor or pharmacist if you are allergic to it; 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.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: stomach/intestinal blockage (e.g., pyloric/duodenal obstruction, ileus), bleeding from the stomach or intestines, bladder blockage.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart problems (e.g., fast/irregular heartbeat, heart failure), a certain eye condition (glaucoma), kidney problems, a certain muscle disease...
Last reviewed on RxList: 1/18/2017
This monograph has been modified to include the generic and brand name in many instances.
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