Some medications with brand names cost a significant amount more than generic compounds. A perfect example of this is 4-aminopyridine (also called 4-AP or dalfampridine) – a medication used to improve walking ability and motor skills in people with multiple sclerosis. The brand name version of this medication is called Ampyra and a one-month supply is about seven times the cost of the dalfampridine we compound at our pharmacy. This…