You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is All of the following can precipitate porphyria except ? and explain in detail?
Ans. is 'c' i.e., Penicillin Penicillin is a safe drug in acute intermittent porphyria Drugs precipitating acute intermittent porphyria Barbiturates Griseofulvin Chlorpropramide Rifampicin Oral contraceptives Estrogen Phenytoin Sulfonamides