This page contains brief details about the drug , it's indication, dosage & administaration, mechanism of action, related brands with strength, warnings and common side effects.

Background and Date of Approval

The U.S. FDA-approved Oxybutynin to treat people with Overactive bladder (OAB) on February 6, 2002. 

Mechanism of Action of undefined

Oxybutynin tablet works by inhibiting the receptors in the urinary bladder and salivary glands. It relaxes the bladder and inhibits sudden muscle contractions, thus controlling the release of urine.

Uses of undefined

In adults and children, Oxybutynin is used to treat urinary incontinence (loss of control in passing urine) and frequent and sudden urges to urinate that may not be easy to control. In children five years or older, it is also used in treating nighttime bedwetting when other treatments have not worked. 

undefined Drug administaration and Dosage available

Take an Oxybutynin tablet with a glass of water. Swallow the tablet, do not crush, chew, or dissolve it. Your doctor will choose the dosage and administration frequency based on the physical condition because it differs for each person.

Warnings, Precautions and Side Effects of undefined


Before starting the treatment with Oxybutynin, inform your doctor if you have any liver, heart (failure, irregular heartbeat) or kidney-related conditions, difficulties in the stomach or intestines, heartburn, or indigestion caused by hiatus hernia ( part of the stomach squeezes through the diaphragm). Notify your doctor if you take any other medicine, especially for osteoporosis (bisphosphonates), and if you have hyperthyroidism, high blood pressure, and nerve damage (autonomic neuropathy). This medicine is contraindicated for Parkinson’s condition.  


Notify your doctor if you are pregnant or planning to get pregnant or breastfeeding because this medicine is unsafe to use in such conditions. Report to your doctor if you are intolerant to some sugar, as this medicine contains Lactose. Inform your doctor if you experience any symptoms like difficulties in breathing. Notify you if you have any lung-related condition before starting the treatment with Oxybutynin. Inform your physician about any underlying kidney disorders before taking Oxybutynin, as this medication should be used with caution in kidney disease patients. Consult your physician before taking this medicine.

Side Effects

The most common side effects of Oxybutynin are headache, blurred vision, dry skin and eyes, face flushing, difficulties in urination, diarrhea, nausea, dry mouth, and constipation.
Serious side effects while taking Oxybutynin are allergic reactions (swelling in the face, tongue, or throat) difficulty in breathing, dizziness, and angioedema (swelling under the skin).

Word Of Advice

Keep this tablet out of the sight and reach of children. Store in original package below 25˚C. Store in a dry place. Inform your physician if you take any other medicine with Oxybutynin. 

Frequently Asked Question


  1. Tillomed Laboratories Ltd, Electronic Medicines Compendium (EMC), [Revised on Nov 2022] [Accessed on 24th April 2023],  Oxybutynin Hydrochloride 5mg Tablets - Patient Information Leaflet (PIL) - (EMC) (
  2. Achilles J. Pappano, Cholinoceptor-Blocking Drugs, Lange’s Basic & Clinical Pharmacology, 14th Edition, 2018, 124-136.
  3. J. Goddard, A.N. Turner, Kidney, and urinary tract disease; Davidson’s Principles and Practice of Medicine; 22nd Edition, 2014, 461-523


The drug information on this page is not a substitute for medical advice. It is meant for educational purposes only. For further details, consult your doctor about your medical condition to know if you are eligible to receive this treatment.