Head-to-head comparisons of medication uses, side effects, warnings, and more.
Key takeaways
Darifenacin ER (fromerly branded as Enablex) and tolterodine (Detrol) are both used to treat overactive bladder (OAB) symptoms, but they have some differences. Darifenacin is only available in an extended-release form, while tolterodine comes in both immediate-release and extended-release forms. This means you can take tolterodine either once or twice a day, depending on the version, whereas darifenacin is taken once a day. Both medications can cause dry mouth and constipation, but tolterodine might cause less dry mouth compared to darifenacin. Darifenacin is generally not recommended for people 65 or older due to the risk of dizziness and drowsiness, while tolterodine can be used with caution in this age group. Additionally, tolterodine has a known risk of memory problems and a potential link to dementia, which is not mentioned for darifenacin. Both medications are available in lower-cost, generic versions.
Darifenacin
Tolterodine (Detrol)
Darifenacin
Tolterodine (Detrol)
Summary of Enablex vs. Detrol
Summary for Anticholinergic
Prescription only
Darifenacin hydrobromide is a medication that treats overactive bladder in adults. It belongs to a drug class called anticholinergics. Darifenacin comes as an extended-release tablet that you take by mouth once a day. Common side effects include dry mouth and constipation. The brand name of the medication, Enablex, has been discontinued. So generic darifenacin is the only version available now.
Summary for Urinary antispasmodic
Prescription only
Tolterodine (Detrol) is used to treat overactive bladder (OAB) symptoms, such as loss of bladder control and the need to go to the restroom suddenly or often. This medication can commonly cause dry mouth, but other side effects can include headache, dizziness, and constipation. There are immediate-release (IR) and extended-release (ER) versions of tolterodine (Detrol). Both formulations are available as brand-name and generic-name medications. Tolterodine (Detrol) can interact with anticholinergics, like diphenhydramine (Benadryl).