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Urispas Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Urispas (flavoxate HCl) is a synthetic urinary tract spasmolytic used to treat bladder symptoms such as frequent or urgent urination, increased night-time urination, bladder pain, and incontinence (urine leakage). These bladder symptoms are often caused by overactive bladder, prostate enlargement, bladder infections, or irritation of the urethra. It is not an antibiotic, and does not cure infections. Urispas is available in generic form. Common side effects of Urispas include nausea, vomiting, dry mouth, headache, drowsiness, dizziness, spinning sensation, blurred vision, nervousness, and fever.
The dose of Urispas for adults and children over 12 years of age is one or two 100 mg tablets 3 or 4 times a day. This drug is not recommended for children under 12 years of age. Urispas may interact with other bladder or urinary medications such as darifenacin, oxybutynin, tolterodine, or solifenacin. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. During pregnancy, Urispas should be used only when prescribed. It is not known whether this drug passes into breast milk. Consult your doctor before breast-feeding.
Our Urispas (flavoxate HCl) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is Patient Information in Detail?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
Urispas in Detail - Patient Information: Side Effects
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;
- drowsiness, nervousness;
- spinning sensation;
- headache; or
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may report side effects to FDA at 1-800-FDA-1088.
Read the entire detailed patient monograph for Urispas (Flavoxate HCl)
What is Patient Information Overview?
A concise overview of the drug for the patient or caregiver from First DataBank.
Urispas Overview - Patient Information: Side Effects
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, maintain a diet adequate in fiber, drink plenty of water, and exercise. If you become constipated, consult your pharmacist for help in choosing a laxative (e.g., stimulant-type with stool softener).
Remember that your doctor has prescribed this medication because he or she 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 immediately if any of these unlikely but serious side effects occur: mental/mood changes (e.g., confusion), eye pain.
Tell your doctor immediately if any of these rare but very serious side effects occur: chest pain, fast/pounding heartbeat, signs of infection (e.g., fever, persistent sore throat), stomach/intestinal blockage (e.g., persistent nausea/vomiting, long-lasting constipation), difficult/painful urination.
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention 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.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Read the entire patient information overview for Urispas (Flavoxate HCl)
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Urispas FDA Prescribing Information: Side Effects
The following adverse reactions have been observed, but there are not enough data to support an estimate of their frequency.
Gastrointestinal: Nausea, vomiting, dry mouth.
CNS: Vertigo, headache, mental confusion, especially in the elderly, drowsiness, nervousness.
Hematologic: Leukopenia (one case which was reversible upon discontinuation of the drug).
Cardiovascular: Tachycardia and palpitation.
Ophthalmic: Increased ocular tension, blurred vision, disturbance in eye accommodation.
Read the entire FDA prescribing information for Urispas (Flavoxate HCl)
Additional Urispas Information
Urispas - User Reviews
Urispas User Reviews
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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