| Common Brands | Urispas |
|---|---|
|
Drug Class |
Flavoxate Hydrochloride |
|
Controlled Substance Classification |
Not a controlled medication |
|
Generic Status |
Lower-cost generic available |
|
Availability |
Prescription only |
Flavoxate is a medicine used to help people with problems in their urinary system, especially those who have bladder spasms or pain when urinating. It works as a muscle relaxant for the muscles in the bladder and urinary tract. When these muscles contract too much, people feel pain, urgency (the sudden need to urinate), or frequent urination.
Doctors prescribe Flavoxate to relieve these uncomfortable symptoms caused by urinary tract infections, inflammation, or other bladder problems. It helps improve comfort and control when urinating.
Follow these steps when taking Flavoxate:
Follow your doctor’s instructions about how long to use Flavoxate.
Flavoxate works by relaxing the muscles of the bladder and urinary tract. The muscles in the bladder help control when urine is stored and released. Sometimes these muscles contract too often or too strongly, causing spasms and pain.
Flavoxate blocks certain signals in the nerves that cause these muscle contractions. This helps stop spasms, reduces pain, and makes it easier to hold and pass urine normally.
Some people may have side effects while taking Flavoxate, but not everyone will. Common side effects include:
If you experience serious side effects like fast heartbeat, difficulty urinating, or severe allergic reactions (rash, swelling, difficulty breathing), seek medical help immediately.
Before using Flavoxate, consider these important points:
Inform your doctor if you experience difficulty urinating or severe constipation.
Flavoxate may interact with other medicines such as:
Always tell your doctor about all other medicines you take to avoid bad interactions.
Typical dosage instructions for adults are:
Flavoxate is a prescription-only medicine. You cannot buy it without a doctor’s prescription because:
Always follow your doctor’s advice and never share your medicine with others.
What is Flavoxate used for?
It is used to relieve muscle spasms of the urinary tract caused by conditions such as:
Bladder inflammation (cystitis)
Urethritis (inflammation of the urethra)
Prostatitis (inflammation of the prostate)
Post-surgical urinary irritation
Flavoxate helps reduce urinary urgency, frequency, pain, and incontinence.
What are the brand names?
Urispas® (U.S. brand)
Generic Flavoxate is also available.
What is the active ingredient?
Flavoxate hydrochloride.
How does Flavoxate work?
It acts directly on smooth muscle in the bladder and urinary tract.
It relieves spasms and reduces involuntary contractions, easing painful urination and urinary urgency.
It has antimuscarinic and local anesthetic properties.
What type of medication is it?
A urinary antispasmodic (smooth muscle relaxant).
How is Flavoxate taken?
By mouth, with or without food.
Typical adult dose: 100–200 mg three or four times daily.
May be reduced once symptoms improve.
Swallow tablets whole with water.
What forms and strengths are available?
Tablets: 100 mg and 200 mg Flavoxate hydrochloride.
How long does it take to work?
Symptom relief usually occurs within 1–2 hours after taking a dose.
Full benefits may appear after a few days of consistent use.
What are the common side effects?
Dry mouth
Drowsiness or dizziness
Nausea or upset stomach
Headache
Blurred vision
Are there serious side effects?
Rare but possible:
Allergic reaction (rash, itching, swelling, trouble breathing)
Confusion, hallucinations (especially in older adults)
Fast or irregular heartbeat
Urinary retention (difficulty urinating)
Who should not take Flavoxate?
People with bleeding or blockage in the stomach or intestines
Those with urinary retention or obstruction
Patients with glaucoma or severe kidney disease
Children under 12 years old (safety not established)
Can it be used in children?
Not recommended for children under 12 years old.
Can it be used during pregnancy?
Use only if clearly needed — safety data are limited.
Can it be used while breastfeeding?
Use with caution — it is unknown if it passes into breast milk.
Does Flavoxate interact with other medications?
Yes, possible interactions with:
Other anticholinergic or sedative drugs (e.g., diphenhydramine, amitriptyline) — increased drowsiness and dry mouth.
Alcohol — increases dizziness and sedation.
Muscle relaxants or narcotics — additive side effects.
Can I drive while taking it?
Use caution — it may cause drowsiness or blurred vision. Avoid driving until you know how it affects you.
How should I store Flavoxate?
Store at room temperature (20 °C–25 °C / 68 °F–77 °F).
Keep tightly closed, away from heat and moisture.
Is there a generic available?
Yes — Flavoxate hydrochloride tablets are available generically.
Where can I get it?
Available by prescription only from pharmacies.
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