The average cost for 30 tablets of 15mg of Darifenacin ER is $26.49 with a free GoodRx coupon. This is 92.01% off the average retail price of $331.50.
Typical dosage for Darifenacin ER
The typical starting dose is 7.5 mg by mouth once a day.
If you have liver problems or take a medication that interacts with Darifenacin ER, your dose will stay at 7.5 mg a day.
For others, your prescriber might raise your dose of Darifenacin ER to 15 mg once a day after 2 weeks of treatment. This depends on how well the medication is working for you.

