You should not use oxybutynin if you have untreated or uncontrolled narrow-angle glaucoma, a blockage in your digestive tract (stomach or intestines), or if you are unable to urinate.
Before using oxybutynin, tell your doctor if you have glaucoma, liver or kidney disease, an enlarged prostate, myasthenia gravis, ulcerative colitis, a blockage in your stomach or intestines, or a stomach disorder such as gastroesophageal reflux disease (GERD) or slow digestion.
Avoid becoming overheated or dehydrated during exercise and in hot weather. Oxybutynin can decrease perspiration and you may be more prone to heat stroke.
This medication may cause blurred vision and may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly.
There are many other medicines that can interact with oxybutynin. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor. Keep a list of all your medicines and show it to any healthcare provider who treats you.
Stop using this medication and call your doctor if you have serious side effects such as hot and dry skin, extreme thirst, severe stomach pain or constipation, pain or burning when you urinate, or if you stop urinating.
Before taking this medicine
You should not use this medication if you are allergic to oxybutynin, or if you have:
untreated or uncontrolled narrow-angle glaucoma;
a blockage in your digestive tract (stomach or intestines); or
if you are unable to urinate.
To make sure oxybutynin is safe for you, tell your doctor if you have:
glaucoma;
liver disease;
kidney disease;
an enlarged prostate;
ulcerative colitis;
Parkinson's disease;
a nerve disorder that affects your heart rate, blood pressure, or digestion;
a muscle disorder such as myasthenia gravis; or
a stomach disorder such as gastroesophageal reflux disease (GERD) or slow digestion.
Tell your doctor if you are pregnant or breastfeeding.
