This article is from the Epilepsy FAQ, by Andrew Patrick (firstname.lastname@example.org) with numerous contributions by others.
The cost of the anticonvulsant drugs will depend on the dosage levels
needed, the drug being used, and the amount in each prescription. There
is usually a difference in price between a drug's brand name and its
generic equivalent. Ask your doctor or pharmacist if a generic one is
available for you to use, and if it is appropriate.