This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genital Tract Infections (Too hot to handle!), Subject name: Gynaecology & Obstetrics
Wife of long route truck driver with vaginal discharge comes to STD clinic ,what is an empirical treatment: 
Select and explain. 
A. Azithromycin + metronidazole + fluconazole, B. Azithromycin, C. Metronidazole +fluconazole, D. Fluconazole
A: Azithromycin + metronidazole + fluconazole
Answer: A: Azithromycin + metronidazole + fluconazole 
Explanation: Therapy regimens for PID must provide empirical, broad-spectrum coverage of likely pathogens including N. gonorrhoeae, C. trachomatis, gram-negative facultative bacteria, anaerobes, and streptococci. Azithromycin is best used for its action against Chlamydia Metronidazole for its action against anaerobes and Bacterial vaginosis Fluconazole for its action against Candidiasis.