Fir epileptic seizures ( as anticonvulsant) 
Dogs and cats- 2.5-10mg/kg -2-3 times daily
For neuropathic pain (as analgesic) 
Dogs and cats -2-5 10 mg/ kg  for 2-3 times ,daily limited dose gradually increase upto 10-15 mg / kg for 2-3 times daily over 4 weeks