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What Is Oxybutynin Hydrochloride?

Meshell Powell
Meshell Powell

Oxybutynin hydrochloride is a prescription medication that is used to treat bladder problems such as urinary urgency and incontinence. Some of the most common side effects of this medication include dry mouth, headache, and gastrointestinal disturbances. Additional oxybutynin hydrochloride side effects may include seizures, sensitivity to sunlight, or hallucinations. Any specific or individualized questions or concerns about oxybutynin hydrochloride should be discussed with a doctor or other medical professional.

Abnormal urinary frequency or urgency may sometimes be treated with oxybutynin hydrochloride. This medication carries a high risk of negative side effects and must be used with caution, especially when taken by elderly patients. Those with certain medical conditions, including glaucoma and digestive disturbances, may not be able to use this medication. Patients with a history of kidney, liver, or heart problems should discuss the benefits and risks of taking this drug with a doctor. Oxybutynin hydrochloride should not be taken by women who are pregnant or breastfeeding.


Dizziness, drowsiness, and headaches are among the most frequently reported side effects of oxybutynin hydrochloride. These side effects may range from mild to incapacitating. Dry mouth, facial flushing, and blurred vision may also occur when taking this medication. Many people experience an increased sensitivity to sunlight while using this drug and should take appropriate precautions when spending time outdoors.

Gastrointestinal disturbances are common oxybutynin hydrochloride side effects. Nausea and indigestion are particularly common and may be difficult to successfully treat with over-the-counter medications. Some patients may experience constipation or diarrhea, and alternating bouts of each are relatively common. Abdominal pain may become severe enough to prompt the patient to receive emergency medical care. Severe digestive issues are the most frequently used reason for discontinuation of this drug.

Seizures or hallucinations that occur after taking oxybutynin hydrochloride should be reported to a doctor right away. These are potentially serious side effects that almost always require immediate discontinuation of this medication. Diagnostic tests may be performed to make sure there are no changes to the brain that could lead to permanent injury.

In some cases, heart or lung problems may arise, especially after taking this medication for a prolonged period of time. Symptoms such as chest pain, irregular heartbeat, or difficulty breathing should be reported to a doctor right away, as potentially life-threatening complications may develop. Any partial or total loss of consciousness should be reported to the medical staff as well.

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