A child’s scarlet fever rash usually peaks on the 2nd day of illness and subsides in 3 to 5 days, and in severe cases the rash can last up to 1 week.
Scarlet fever is an acute respiratory infectious disease caused by group A hemolytic streptococcal infection, manifested by fever, bright red rash all over the body, pharyngitis, and desquamation after the rash subsides. The rash usually appears within 24 hours after the onset of fever, first behind the ears, neck, chest, and then all over the body, and the rash reaches its peak on the second day.
After the rash peaks, the rash subsides according to the order of appearance, usually the rash can subside completely in 3~5 days, and in severe cases, the rash can last for 1 week, and after the rash subsides, flaking starts to appear.
Scarlet fever can be complicated with rheumatoid arthritis, myocarditis, acute nephritis and other diseases, which should be actively treated to prevent aggravation of the condition.