Question: how to heal scarlet fever?
Answer: Treat fever and pain. Use ibuprofen (Advil, Children's Motrin, others) or acetaminophen (Tylenol, others) to control the fever and minimize throat pain.
Provide adequate fluids. ... 
Prepare a saltwater gargle. ... 
Humidify the air. ... 
Offer lozenges. ... 
Provide comforting foods. ... 
Avoid irritants.