FDA Policy/General
Symmetrel Not Withdrawn for Safety/Efficacy Reasons
Federal Register Notice: FDA has determined that Endo Pharmaceuticals’ Parkinson’s drug Symmetrel (amantadine hydrochloride), syrup, 50 milligrams/5 milliliters (50 mg/5 mL), was not withdrawn from sale for reasons of safety or effectiveness. This determination means that the agency can allow ANDA approvals for products that reference Symmetrel