Question: what drugs are considered nephrotoxic?
Answer: Drugs that may cause interstitial nephritis include penicillins, cephalosporins, sulfonamides, thiazide diuretics, furosemide, NSAIDs and rifampicin. There are a number of drugs that cause direct toxicity to the renal tubules (acute tubular necrosis) - eg, aminoglycosides, amphotericin and ciclosporin.