طفل عمره ١٠ سنوات تعافى من الحمى الروماتيزمية. ما الدواء الذي يمنع تكرارها؟

A 10-year-old has recovered from rheumatic fever. Which drug prevents recurrence?

1. Daily oral corticosteroids
2. Nothing after recovery
3. Lifelong aspirin
4. Long-term prophylactic penicillin

Answer: D) Long-term prophylactic penicillin. Rheumatic fever recurs with any group A streptococcal throat infection; years of prophylactic penicillin protect the heart valves.