Mar 21, · A rash is the most common sign of scarlet fever in both adults and children. It usually begins as a red blotchy rash and becomes fine and rough . Nov 01, · In general, scarlet fever is a mild infection. It usually takes two to five days for someone exposed to group A strep to become sick. Illness usually begins with a fever and sore throat. There may also be chills, vomiting, or abdominal pain.
Sep 29, · Scarlet Fever in Adults Scarlet fever causes a high temperature with sore throat and a rash. Children between the ages of 2 to 10 are at a greater risk of catching scarlet fever. However, it can affect anyone from any age group.