My son had a fever, cold and cough 10 days back, post diagnosis,doctor given medicine with antibiotic novamax XV 457 MG including other medicines for fever and cough, Now cough and fever gone, but we saw red rashes near to ankle and other parts of the body. He don't have stomach pain and he is active, only during night he get itchy and swelling near to joints and pain, we consulted child specialist and We did a blood test, platetes looks good and dengue, chicken gunya came negative than doctor gave only paracetamol for pain Is this goes away on its own or any medication required. Attached the report