What Topiramate is used for: Topiramate is a medicine that is used for the treatment of the following indications: certain types of seizures (partial onset seizures and primary generalized tonic-clonic seizures) in adults and children 2 years of age and above in combination with other medications in the treatment of some types of seizures (partial onset seizures, primary generalized tonic-clonic seizures, and seizures associated with Lennox-Gastaut syndrome) in adults and children 2 years of age and above prevention of migraine headaches in adults and adolescents 12 years of age and above