This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Interstitial nephritis is seen in all EXCEPT : 
Select and explain. 
A. Diuretics, B. Beta lactams, C. Allopurinol, D. Isoniazid
B: Beta lactams
Answer: B: Beta lactams 
Explanation: Drugs causing interstitial nephritis are

Antibiotics: Cephalosporins, penicillins, ciprofloxacin, ethambutol, isoniazid, macrolides, rifampicin.
Sulfonamides, tetracyclines and vancomycin.
All NSAIDs.
Diuretics: Thiazides, furosemide, triamterene.
Others: Allopurinol, acyclovir, amlodipine, azathioprine, carbamazepine, captopril.