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Other brands with the same active ingredient
These brands contain the same active ingredient (Flavoxate Hydrochloride). Strength and form may differ — confirm substitution with your doctor or pharmacist before switching.
Indications & Uses
Avox is indicated for:
Dosage Reference
Reference Information Only
Dosages shown are general references from official sources. Always consult your doctor or pharmacist for personalized dosing.
Adults:
For adults and children over 12 years, the usual dose of Flavoxate Hydrochloride is 100 to 200 mg taken 3 or 4 times a day. The dose may be lowered as symptoms improve. In patients with an infection, treatment is usually continued for as long as antibacterial or anti-infective medicines are being given. Patients with long-standing bladder symptoms may need maintenance treatment over an extended period to get the best results.
Side Effects
Flavoxate may cause nausea and vomiting, dry mouth and throat, nervousness, vertigo, headache, drowsiness, blurred vision, raised pressure inside the eye, difficulty focusing the eyes, hives and other skin reactions, mental confusion, painful urination, fast heartbeat and palpitations, very high fever, and a raised eosinophil count in the blood. Rarely, abdominal pain and difficulty concentrating may occur. Constipation has been reported in patients taking 800 mg to 1.2 g of Flavoxate daily.
Cautions & Contraindications
Warnings & Precautions
Because of possible drowsiness, vertigo, and ocular disturbances, Flavox should be administered with caution to patients performing hazardous tasks requiring mental alertness or physical coordination. Flavox should also be administered with caution to patients with suspected glaucoma.
Contraindications
Flavoxate should not be used by patients who have any of the following obstructive conditions: pyloric or duodenal obstruction, obstructive intestinal lesions or ileus, achalasia, gastrointestinal bleeding, or obstructive uropathies of the lower urinary tract.