After 3 days of fever a patient developed macular erythematous rash that lasted for 48 hrs on the 4th day of fever. The most likely diagnosis is:
Correct Answer: Roseola infantum
Description: Exanthem subitum/roseola infantum/6th disease is due to infection by HHV - 6. It is characterised by fever and subsequent rash. Approximately 10-20 % febrile seizures without rash are caused by HHV-6. Ref: Harrison's Principles of Internal Medicine, 14th Edition, Page 1159 and 15th Edition, Page 96
Category:
Skin
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