🌡️ Viral Exanthems — Overview Viral exanthems = widespread rashes caused by viral infections , often accompanied by fever, malaise, respiratory or GI symptoms. They are common in pediatrics , but many affect adults too. Below is a structured, easy-to-revise list . 👶 CLASSICAL CHILDHOOD VIRAL EXANTHEMS 1️⃣ Measles (Rubeola) Prodrome: 3 Cs — Cough, Coryza, Conjunctivitis , + photophobia Pathognomonic: Koplik spots (enanthem on buccal mucosa) Rash: Begins at hairline → face → trunk → limbs (cephalocaudal, centrifugal) Brick-red, maculopapular , may become confluent Complication: SSPE, pneumonia 2️⃣ Rubella (German measles) Prodrome: Mild fever Lymphadenopathy: Postauricular + Suboccipital Rash: Pink, maculopapular Fades quickly (within 3 days) Enanthem: Forchheimer spots (soft palate petechiae) 3️⃣ Roseola Infantum (HHV-6/7) Key: High fever → subsides → rash appears Rash: Pink macules, trunk > neck/face Non-pruritic Age: <2 year...