Yes. The rash that appears with strep throat is like a scarlet fever rash. The rash usually comes about twelve to forty-eight hours after strep throat sets in.
Strep throat will give you a rash inside your throat but normally not on the outside. It'll make your lymph nodes swell as well. Best way to find out is to get the test at a CVS or a quick non-emergency clinic.
The only time you would get a rash when you have strep throat is if you have an internal virus working along with it or and internal infection somewhere.
Yes, although a rash doesn't occur as often as other symptoms. Be sure and look for signs of a red rash with strep, however, because the presence of one could indicate symptoms of Scarlet Fever.