Oxybutynin (Oral Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

Rare
  • Eye pain
  • Skin rash or hives
Symptoms of overdose
  • Clumsiness or unsteadiness
  • Confusion
  • Convulsions
  • Dizziness
  • Drowsiness (severe)
  • Fainting
  • Fast, slow, or irregular heartbeat
  • 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 side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common
  • Acid or sour stomach
  • Belching
  • Constipation
  • Decreased sweating
  • Diarrhea
  • Dizziness
  • Drowsiness
  • Dryness of eyes, mouth, nose, and throat
  • Heartburn; indigestion; stomach discomfort, upset or pain
  • Decreased sweating
  • Runny nose
Less common or rare
  • Blurred vision
  • Decreased flow of breast milk
  • Decreased sexual ability
  • Difficult urination
  • Difficulty in swallowing
  • Feeling of warmth or heat
  • Flushing or redness of skin, especially on face and neck
  • Headache
  • Increased sensitivity of eyes to light
  • Nausea or vomiting
  • Trouble in sleeping
  • Unusual tiredness or weakness

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Incidence not determined
  • Bloating or swelling of face, arms, hands, lower legs, or feet
  • Decreased interest in sexual intercourse
  • Inability to have or keep an erection
  • Loss in sexual ability, desire, drive, or performance
  • Rapid weight gain
  • Seeing, hearing, or feeling things that are not there
  • Tingling of hands or feet
  • Unusual weight gain or loss
Precautions

DR601047

Portions of this document last updated:

Nov. 1, 2009

Source: Drug Information provided by: Micromedex

Copyright © 2009 Thomson Healthcare Inc. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.


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