Oxybutynin (Ditropan) – Side Effects, Interactions, Uses, Dosage, Warnings

Oxybutynin is used to treat symptoms of overactive bladder, such as frequent or urgent urination and incontinence (urine leakage).

Oxybutynin is also used in children at least 6 years old with overactive bladder related to a neurologic condition such as spina bifida.

Oxybutynin may also be used for purposes not listed in this medication guide.


What is Oxybutynin (Ditropan) used for?

  • Urinary Incontinence
  • Urinary Frequency
  • Neurogenic Bladder


What is the most important information I should know about Oxybutynin (Ditropan)?

You should not use oxybutynin if you are allergic to it, 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.

Tell your doctor if you have ever had:

  • glaucoma;
  • trouble urinating;
  • ulcerative colitis;
  • Parkinson's disease;
  • dementia;
  • a nerve disorder that affects your heart rate, blood pressure, or digestion;
  • myasthenia gravis; or
  • a stomach disorder such as gastroesophageal reflux disease (GERD) or slow digestion.

Tell your doctor if you are pregnant or breastfeeding.

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Side Effects

What are the side effects of Oxybutynin (Ditropan)?

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using oxybutynin and call your doctor at once if you have:

  • severe stomach pain or constipation;
  • blurred vision, tunnel vision, eye pain, or seeing halos around lights;
  • little or no urination;
  • painful or difficult urination; or
  • dehydration –dizziness, confusion, feeling very thirsty, less urination or sweating.

Common side effects may include:

  • dizziness, drowsiness;
  • headache;
  • dry mouth; or
  • diarrhea, constipation.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Pregnancy & Breastfeeding

Can I take Oxybutynin (Ditropan) if I’m pregnant or breastfeeding?

Tell your doctor if you are pregnant or breastfeeding.


What drugs and food should I avoid while taking Oxybutynin (Ditropan)?

Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.

Avoid becoming overheated or dehydrated during exercise and in hot weather. Oxybutynin can decrease sweating and you may be more prone to heat stroke.

Drinking alcohol with this medicine can increase side effects.

Dosage Guidelines & Tips

How to take Oxybutynin (Ditropan)?

Use Oxybutynin (Ditropan) exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

Take oxybutynin with a full glass of water, at the same time each day.

You may take oxybutynin with or without food.

Swallow the extended-release tablet whole and do not crush, chew, or break it.

Measure liquid medicine with the supplied measuring device (not a kitchen spoon).

Part of a tablet shell may appear in your stool but this will not make the medicine less effective.

Store at room temperature away from moisture and heat.

What should I do if I missed a dose of Oxybutynin (Ditropan)?

Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

Overdose Signs

What happens if I overdose on Oxybutynin (Ditropan)?

If you think you or someone else may have overdosed on: Oxybutynin (Ditropan),  call your doctor or the Poison Control center

(800) 222-1222

If someone collapses or isn't breathing after taking Oxybutynin (Ditropan), call 911



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