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: Skin
A young female presented with vaginal itching and green frothy genital discharge. Strawberry vagina is seen on examination. What w ill be the drug of choice? 
Select and explain. 
A. Doxycycline, B. Oral fluconazole, C. Metronidazole, D. Amoxicillin
C: Metronidazole
Answer: C: Metronidazole 
Explanation: Answer- C. MetronidazoleHistory of vaginal itching and green frothy genital discharge in a young female with strawberry vagina on examinstion ishighly suggestive of Trichomoniasis. The drag of choice for Trichomoniasis is metronidazole.Treatment:DOC: Metronidazolea (tinidazole is also effective)All sexual paners must be treated concurently to prevent reinfection