oxybutynin, Ditropan (discontinued brand in the US); Ditropan XL; Oxytrol; Anturol; Gelnique
Omudhome Ogbru, PharmD
Omudhome Ogbru, PharmD
Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.
Medical and Pharmacy Editor:
GENERIC NAME: oxybutynin
BRAND NAME: Ditropan (discontinued brand in the US); Ditropan XL; Oxytrol; Anturol; Gelnique
DRUG CLASS AND MECHANISM: Oxybutynin is an oral drug that is used for treating urinary bladder spasm. Oxybutynin has a dual mechanism of action. Contraction of the smooth muscle of the bladder is stimulated by the release of acetylcholine by the nerves within the bladder and the attachment of the acetylcholine to receptors on the surface of the bladder's muscle cells. Oxybutynin suppresses involuntary contractions of the bladder's smooth muscle (spasms) by blocking the release of acetylcholine. This is referred to as an "anticholinergic effect." Oxybutynin also directly relaxes the bladder's outer layer of muscle (the detrusor muscle). The FDA approved oxybutynin in July 1975.
PREPARATIONS: Tablets (immediate release): 5 mg; Tablets (extended release): 5, 10, and 15 mg; Transdermal delivery system or patch: 3.9 mg/day; Syrup: 5 mg/5 ml. Transdermal Gel: 3% or 10%.
STORAGE: Oxybutynin should be stored at room temperature, 15 C to 30 C (59 F to 86 F). It should be kept out of the reach of children.
PRESCRIBED FOR: Oxybutynin is used for adults with symptoms of overactive bladder such as sudden urges to urinate (urgency), urinary incontinence (the inability to control urination), and frequent urination. It also is used in children, aged 6 years and older, with symptoms of detrusor muscle hyperactivity associated with neurological conditions, such as spina bifida.
Medically Reviewed by a Doctor on 7/10/2014
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