Self help remedies for scarlet fever include trying to rest and drinking enough fluids. You may find taking over-the-counter painkillers such as paracetamol or ibuprofen helps to relieve any pain. You can also suck over-the-counter throat lozenges to relieve your sore throat. It's always advisable to seek professional advice from a doctor to get the required antibiotics to clear the infection.
Attribution: BUPA