Scarlatiniform Erythema

Scarlatiniform erythema (scarlatina) is diffuse fine papular "sandpaper" erythema on trunk/flexures, from group-A streptococcal erythrogenic toxin (scarlet fever) or drug reaction, with circumoral pallor/strawberry tongue/Pastia lines. Treatment: penicillin (or amoxicillin) for strep; treat drug cause (stop culprit); supportive care; antihistamines for pruritus; monitor for post-strep glomerulonephritis/rheumatic fever; throat culture; follow-up pediatrics/dermatology.

Common Symptoms

Diffuse fine papular sandpaper erythema; trunk/flexures; by strep/drug

Causes and Pathogenesis

Erythrogenic toxin from group-A strep (or drug) causes scarlatiniform eruption.

Treatment

Penicillin for strep; stop drug; antihistamines; monitor sequelae

Preventive Measures

Treat strep pharyngitis early; avoid trigger drugs.

Department to Visit

It is recommended to visit the Pediatrics/Dermatology/Infectious-disease department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.