It is an antiepileptic medication.
It controls seizures or fits by decreasing the abnormal and excessive activity of the nerve cells in the brain.Nausea, Diarrhea, Vomiting, Rash, Abnormal liver function tests
Nystagmus (involuntary eye movement), Double vision, Sleepiness, Anemia (low number of red blood cells), Peripheral neuropathy (tingling and numbness of feet and hand), Gingival hyperplasia, Increased hair growth, Osteoporosis