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Oxybutynin Hydrochloride

Drug Class: Commonly Known As: Category:
Antimuscarinic Obutin Adult, Children

Oxybutynin Hydrochloride - Side Effects, Precautions, and Contraindications

What side effects can Oxybutynin Hydrochloride cause?

Common side effects include:

  • Drowsiness
    • May affect your ability to drive and use machinery. Make sure your reactions are normal before you drive or do things which require you to be alert.
  • Dizziness
    • Get up slowly from a sitting or lying down position.
  • Dry mouth
    • Chew sugar-free gum, suck on sugar-free hard candies or ice chips, sip water regularly
  • Dry eyes
    • Apply lubricant eye drops if necessary.
  • Constipation
    • Drink more water (if you do not have any fluid restrictions), eat more high-fibre foods, and exercise regularly
  • Overheating of the body
    • Monitor your body temperature, especially if you are in hot climates. Drink enough water and avoid staying outdoors during hot weather.

The symptoms of a drug allergy include one or more of the following:

  • Swollen face/eyes/lips/tongue
  • Difficulty in breathing
  • Itchy skin rashes over your whole body

If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.

Before taking Oxybutynin Hydrochloride, what precautions must I follow?

​Inform your healthcare professional if:

  • You are allergic to this medication or any of the other ingredients of this medication
  • You are pregnant, planning to become pregnant, or breastfeeding
  • You are not able to empty your bladder (urinary retention) 
  • You have delayed or slow emptying of your stomach (gastric retention)
  • You have an eye problem called “uncontrolled narrow angle glaucoma”
  • You have liver, kidney or heart problems
  • You have myasthenia gravis 
  • You have dementia and are taking medications called cholinesterase inhibitors such as Galantamine, Donepezil, Rivastigmine as these combinations may affect the condition.

What food or medicine must I avoid when I take Oxybutynin Hydrochloride?

  • Avoid drinking alcohol as it may increase the risk of dizziness, light-headedness or drowsiness.
  • Inform your healthcare professional if you are taking or intend to take any other medication, supplements, traditional medications or herbal remedies.

Oxybutynin Hydrochloride - Additional Information

  • Updated on Monday, September 30, 2019
  • Article contributed by PSS National Medication Information Workgroup PSS National Medication Information Workgroup

The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

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