system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 14 year old boy present with headache, fever and cought for 2 days. Sputum is scant and non-purulent and gram stain reveals many whit cells but no organisms. The treatment should be initiated with:
assistant
The correct answer is  (Ref: KDT 6/e p729) Diagnosis is atypical pneumonia and DOC is erythromycin.