Viral Throat Infection With Rash What Is Wrong With My Son He Is 22 Months Old ?

What is wrong with my son he is 22 months old ? - viral throat infection with rash

So the other night I had to take my child to the emergency room.
had a high fever for 39 hours. I took him in the DR and told me I had a viral infection of the throat and give you the recipe was given to me by him.
It is something to eat and drink. no fever. not to vomit a little diahreah .. I bring him to the emergency room?
o How do I deal with this rash?
My son was now on medication for about a day.
and today I realized that I have red dots all over him like a rash.
Should I be concerened