FLAVOXATE

Pregnancy Risk: Category B (No proven risk in pregnancy)

If any of the following side effects occur while taking flavoxate, check with your doctor or nurse as soon as possible:

Symptoms of overdose

• Clumsiness or unsteadiness
• dizziness (severe)
• drowsiness (severe)
• fever
• flushing or redness of face
• hallucinations (seeing, hearing, or feeling things that are not there)
• shortness of breath or troubled breathing
• unusual excitement, nervousness, restlessness, or irritability

Some of the side effects that can occur with flavoxate may not need medical attention:

More common

• Drowsiness
• dryness of mouth and throat

Less common or rare

• Blurred vision
• constipation
• difficult urination
• difficulty concentrating
• dizziness
• fast heartbeat
• headache
• increased sensitivity of eyes to light
• increased sweating
• nausea or vomiting
• nervousness

stomach pain

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 (myasthenia gravis), enlarged prostate gland, stomach/intestinal problems (e.g., infection, acid-reflux disease, chronic constipation, ulcerative colitis), overactive thyroid (hyperthyroidism).

This drug may make you dizzy or drowsy or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Limit alcoholic beverages.

This medication can cause decreased sweating. To reduce the risk of a serious reaction to too much heat (heatstroke), avoid becoming overheated in hot weather, saunas, or during exercise or other strenuous activities.

Older adults may be more sensitive to the side effects of this drug, especially dizziness (more likely when standing up), drowsiness, constipation, trouble urinating, or confusion. Dizziness, drowsiness, and confusion can increase the risk of falling.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

It is not known whether this drug passes into breast milk. Consult your doctor before breast-feeding.

Interactions

Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.

This drug should not be used with the following medication because a very serious interaction may occur: pramlintide.

If you are currently using the medication listed above, tell your doctor or pharmacist before starting flavoxate.

Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: anticholinergic drugs (e.g., atropine, belladonna alkaloids, scopolamine, benztropine, trihexyphenidyl), antispasmodic drugs (e.g., clidinium, dicyclomine), bisphosphonate drugs (e.g., alendronate, etidronate, risedronate), potassium tablets/capsules.

Tell your doctor or pharmacist if you also take drugs that cause drowsiness such as: certain antihistamines (e.g., diphenhydramine), anti-seizure drugs (e.g., carbamazepine), medicine for sleep or anxiety (e.g., alprazolam, diazepam, zolpidem), muscle relaxants, narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., chlorpromazine, risperidone, amitriptyline, trazodone).

Check the labels on all your medicines (e.g., cough-and-cold products) because they may contain drowsiness-causing ingredients. Ask your pharmacist about using those products safely.

This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

If overdose is suspected, contact a poison control center or emergency room immediately. Symptoms of overdose may include: slow/shallow breathing, hallucination, seizures, loss of consciousness.

Notes

Do not share this medication with others.

This medication has been prescribed for your current condition only. Do not use it later for another condition unless told to do so by your doctor. A different medication may be necessary in that case.

This medication may relieve the symptoms of a bladder infection, urinary tract infection (UTI), or prostate infection. However, it does not treat an infection. An antibiotic may be needed if you have an infection.

Missed Dose

If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

Storage

Store at room temperature between 68-77 degrees F (20-25 degrees C) away from light and moisture. Brief storage between 59-86 degrees F (15-30 degrees C) is permitted. Do not store in the bathroom. Keep all medicines away from children and pets.

Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.

Brands

There are no brands containing this molecule.