For most cases of scarlet fever, a pediatrician or family doctor is fully equipped to diagnose and treat the infection, prescribe antibiotics, and monitor for complications. Referral to an infectious disease specialist is usually only necessary if the infection is recurrent, unusually severe, resistant to standard antibiotics, or if serious complications like rheumatic fever, kidney issues, or abscesses develop. In routine cases, close follow-up with your primary doctor is sufficient, but any unusual or persistent symptoms should prompt consideration of specialist input.