Pharmacology Drugs that can be used safely in porphyria are: a) Phenobarbitone b) Ketamine c) Sodium valproate d) Midazolam e) Pethidine A de B ae C ad D bc 💡 Explanation Drugs that can be used safely in porphyria are: a) Phenobarbitone b) Ketamine c) Sodium valproate d) Midazolam e) Pethidine ✓ Correct Answer: A. de