How to Take Oxybutynin Hydrochloride and Dose of Oxybutynin Hydrochloride


Find out how to take Oxybutynin Hydrochloride (drug) and its dose. Describes the best time to take the drug and precautions if any that should be followed.

How to take Oxybutynin Hydrochloride


How it should be taken  

It comes as a tablet to be taken by mouth. The transdermal patch should be applied onto the skin as per the instructions given in the leaflet.

Dosage & When it is to be taken

The recommended dose for adults when taken orally is 2.5 mg twice a day.Maximum dose of 5mg can be taken 3-4 times a day if needed.Single transdermal patch delivering 3.9 mg/day can be applied onto the abdomen, hip or buttock twice weekly.

When it is not to be taken (Contraindications) 

Oxybutynin is contraindicated in patients who are allergic to the drug, with glaucoma (increased ocular pressure), myasthenia gravis (condition which makes the muscle weak), porphyria (a metabolic disorder) and urinary retention. It should be avoided in patients with structural or functional gastrointestinal obstruction, since it reduces the movements of the digestive tract.

Why it is prescribed (Indications)  

Oxybutynin belongs to group of drugs known as antispasmodics and anticholinergics. It is prescribed for the treatment of overactive bladder which results in urinary incontinence and frequent urination. It works by relaxing the bladder muscles and thereby stops the sudden contractions of the muscles to prevent urinary urgency. 

Warnings and Precautions  

Discontinue the drug immediately if there is any angioedema (swelling) in the face, tongue, larynx and pharynx as it could indicate an allergic reaction and result in breathing difficulty.
Oxybutynin hydrochloride is not recommended for children below five years.
Oxybutynin tablets should not be administered to patients with lactose intolerance, as the tablet contains lactose.
Caution should be exercised in patients with history of heart disease, high blood pressure, nerve-related disorders, liver or kidney disease, myasthenia gravis, enlarged prostate, overactive thyroid, structural or functional gastrointestinal problem including gastroesophageal reflux,any allergy, who are taking other medications, during pregnancy and breastfeeding.
Avoid driving a car or operating machinery while taking this medication as it may cause drowsiness, dizziness or blurred vision.
Consult a doctor if you are going to take the medicine in hot and high temperature weather conditions, since it reduces sweating.

Storage Conditions  

Store the drug at room temperature and protect from heat, light and moisture. Keep out of reach of children.
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