This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
Drug of Choice for Severe Mastitis 
Select and explain. 
A. Cefphalosporins, B. Erythromycin, C. Augmentin, D. Cloxacillin
D: Cloxacillin
Answer: D: Cloxacillin 
Explanation: * MC organism causing Mastitis- Staphylococcus aureus * Drug of Choice is- Cloxacillin Ref:- Surgery Sixer 3rd Edition; Pg num:- 268