Which of the following is true about roseola infantum: (A) Defervescene follows the rash, (B) Caused by HHV 6 and 7, (C) Slapped check appearance is seen, (D) Otitis media is common complication
Answer is B. Roseola infantum or exanthem subitum or sixth disease is caused by human herpes virus 6 and 7(HHV-6 and HHV-7) and echovirus 16. Classically the rash begins suddenly on the day the fever subsides, usually the sixth day ,thus called sixth disease. - pink almond shaped macules are the characteristic lesions. Rash first appears on trunk and then spreads to face , neck and proximal extremities. It is non pruritic and rarely becomes confluent . Infectious ness is low . Image : Roseola Infantum Clinical Presentation Reference :Op Ghai paediatrics 9 th edition pg : 212 IADVL&;s concise textbook of dermatology, first edition, pg no :75