Why it is Prescribed
Oxybutynin is used to control urgent, frequent, or uncontrolled urination in people who have overactive bladder (a condition in which the bladder muscles have uncontrollable spasms), spina bifida (a disability that occurs when the spinal cord does not close properly before birth), or other conditions that affect the bladder muscles. Oxybutynin is in a class of medications called anticholinergics. It works by relaxing the bladder muscles to prevent urgent, frequent, or uncontrolled urination.
How it Works
Oxybutynin comes as a tablet, a syrup, and an extended-release (long-acting) tablet to take by mouth. The tablets and syrup are usually taken two to four times a day. The extended-release tablet is usually taken ...
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Why it is Prescribed
Oxybutynin is used to control urgent, frequent, or uncontrolled urination in people who have overactive bladder (a condition in which the bladder muscles have uncontrollable spasms), spina bifida (a disability that occurs when the spinal cord does not close properly before birth), or other conditions that affect the bladder muscles. Oxybutynin is in a class of medications called anticholinergics. It works by relaxing the bladder muscles to prevent urgent, frequent, or uncontrolled urination.
How it Works
Oxybutynin comes as a tablet, a syrup, and an extended-release (long-acting) tablet to take by mouth. The tablets and syrup are usually taken two to four times a day. The extended-release tablet is usually taken once a day with or without food. Take oxybutynin at around the same time(s) every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take oxybutynin exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
Swallow the extended-release tablets whole with plenty of water or other liquid. Do not split, chew, or crush the extended-release tablets. Tell your doctor if you cannot swallow tablets.
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Other Uses
This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
Overdose
In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.
Symptoms of overdose may include:
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Precautions
Before taking oxybutynin,
tell your doctor and pharmacist if you are allergic to oxybutynin or any other medications.
tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention any of the following: amiodarone (Cordarone, Pacerone); certain antibiotics such as clarithromycin (Biaxin), erythromycin (E.E.S., E-Mycin, Erythrocin), and tetracycline (Bristamycin, Sumycin, Tetrex); certain antifungals such as itraconazole (Sporanox),miconazole (Monistat), and ketoconazole (Nizoral); antihistamines; aspirin and other nonsteroidal anti-inflammatory medications (NSAIDS) such as ibuprofen (Advil, Motrin) and naproxen (Aleve, Naprosyn); cimetidine (Tagamet); diltiazem (Cardizem, Dilacor, Tiazac); fluvoxamine; ipratropium (Atrovent); iron supplements; certain medications for human immunodeficiency virus (HIV) such as indinavir (Crixivan), nelfinavir (Viracept), and ritonavir (Norvir, in Kaletra); medications for irritable bowel disease, motion sickness, Parkinson's disease, ulcers, or urinary problems; medications for osteoporosis (a condition in which ...
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Possible Side Effects
Oxybutynin may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
dry mouth
blurred vision
dry eyes, nose, or skin
stomach pain
constipation
diarrhea
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Special Dietary Concerns
Talk to your doctor about eating grapefruit and drinking grapefruit juice while taking this medicine.
Storage Conditions
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.