Head-to-head comparisons of medication uses, side effects, warnings, and more.
Oxybutynin is used to treat overactive bladder (OAB). Oral oxybutynin is available as a short-acting tablet and solution that is taken 2 to 4 times a day. It also comes as a long-acting tablet that's taken once daily (brand name Ditropan XL). Some common side effects of oxybutynin include dry mouth, constipation, and dizziness. Older adults typically lower doses of this medication to lower the risk for side effects.
Tolterodine (Detrol) is used to treat overactive bladder (OAB) in adults. It's an anticholinergic medication that helps with bladder control to lessen the need to go to the restroom suddenly or often. The immediate-release tablet (Detrol) is taken by mouth twice a day. There's also an extended-release capsule (Detrol LA) that's taken just once a day. Both formulations come in brand-name and generic-name versions. Tolterodine (Detrol) can commonly cause dry mouth. Other side effects can include headache and constipation.
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