Mode of contraception that should be avoided in epilepsy is: (A) Oral contraceptive pills, (B) Condoms, (C) Intrauterine contraceptive devises, (D) Post-coital pills
Answer is A. Antiepileptic drugs such as phenytoin,carbamazepine,phenobarbitone are enzyme inducers which when used with oral contraceptives can cause its failure. (Ref.Essentials of medical pharmacology TD Tripathi 7th edition Page no.326)