This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti Microbial, Subject name: Pharmacology
Drug of choice for brucellosis: 
Select and explain. 
A. Chloramphenicol, B. Erythromycin, C. Doxycycline, D. Cefuroxime
C: Doxycycline
Answer: C: Doxycycline 
Explanation: Ref: Sharma & Sharma 3rd ed. P 760 H* Doxycycline is from the tetracycline class of drug.* Tetracyclins are first line DOC in following conditions like# Rocky mountain spotted fever# Typhus fever# Psittacosis# Granuloma inguinale# Non-specific urethritis (ureaplasma urealyticum)# Lyme disease# Brucellosis (Brucella abortus)# Plague# Pasturella abscess * First line combination therapy for brucellosis is: Doxycycline and Rifampicin