Topiramate 25 mg Tablet is a medicine used to treat epilepsy (seizures) and to prevent migraines. It is also used in the treatment of Lennox-Gastaut syndrome (a rare, but severe form of epilepsy that starts in early childhood). Topiramate 25 mg Tablet may be taken with or without food, preferably at the same time, each day. If you have missed a dose, take it as soon as you remember it and finish the full course of treatment even if you feel better. Stopping the medication suddenly without talking to your doctor may cause an increased frequency of seizures. Your doctor may advise regular monitoring of serum bicarbonate levels while you are taking this medicine.