The days when Helen Keller was a baby are long past.
He'll be fine. Scarlet Fever is really just strep throat that also has a rash. It's simply a bacterial infection. Make sure he takes all of his antibiotics exactly as prescribed and for as long as prescribed. Don't stop giving them too him because "it's a hassle" or "he seems better now". Finish them all. Follow all the other instructions your doctor has given you.
Be sure you get your rest and take care of yourself too. Eat and drink enough. Try to sleep when you can. Having a sick little one is tough. Take care of yourself so you are ready to go when he bounces out of bed and wants to play.
at 12:45 PM on Jul. 4, 2009