Key facts about Oxybutynin
What dosages is Oxybutynin available in?
Oxybutynin is available as a 5 mg oral tablet.
What is Oxybutynin used for?
Oxybutynin is a urinary antispasmodic and is used to treat overactive bladder, and incontinence in children due to a neurologic (brain) condition, such as spina bifida.
How does Oxybutynin work?
Oxybutynin is an anticholinergic and antimuscarinic medication that relaxes the muscles in your bladder. Relaxed bladder muscles have fewer spasms, and this eases your need to urinate.
How do I take Oxybutynin?
Oxybutynin is typically taken by mouth up to a maximum dose of 5 mg by mouth 4 times a day.
Is it safe for me to take Oxybutynin?
Oxybutynin is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication if you have urinary retention, gastric retention and other severe decreased gastrointestinal motility conditions, or uncontrolled narrow-angle glaucoma.
Oxybutynin Common Side Effects
Common side effects of Oxybutynin include:
- Dry mouth
- Dizziness
- Constipation
- Sleepiness
- Nausea
- Blurry vision
Oxybutynin Serious Side Effects
Serious side effects are rare with Oxybutynin. Contact your healthcare provider immediately if you experience any of the following.
- Angioedema (severe swelling): swelling of the face, lips, tongue, or throat
Effects of other drugs, drug classes and over-the-counter products on Oxybutynin
The following medications may interact with Oxybutynin:
- Co-administration with other anticholinergic drugs may increase the frequency and/or severity of anticholinergic-like effects
- Co-administration with strong cytochrome P450 (CYP) 3A4 inhibitors (e.g., ketoconazole) increases the systemic exposure of Oxybutynin
Who makes Oxybutynin?
Various FDA-approved generic manufacturers
Is Oxybutynin safe in pregnancy?
It is not known if Oxybutynin will harm your unborn baby. If you become pregnant while receiving Oxybutynin, talk to your healthcare provider.













