In case of hepatic porphyria the safe anticonvulsant is
(A) Clonazepam > Seizures can be due to neurologic effects or to hyponatremia.> Treatment of seizures is difficult because virtually all antiseizure drugs (except bromides) may exacerbate> AIP (clonazepam may be safer than phenytoin or barbiturates).
Clonazepam
Paraldehyde
Phenytoin
Carbamazepine
Miscellaneous