What to do with fever and rash?

There are many diseases that cause fever and rash. These include allergic skin diseases such as severe drug dermatitis. Skin diseases caused by various microbial infections such as bacterial infections, scarlet fever, erysipelas. Skin diseases caused by viral infections, hives, infant rash, chickenpox, etc. There are also urticaria caused by infections. Need to go to the hospital dermatology department in time to see a doctor, first clear the diagnosis and then do the corresponding treatment, in addition to the treatment of dermatological symptoms, but also need to deal with the primary disease of fever. If you show itching symptoms, you need to take some antihistamine drugs orally, topical topical use of some drugs to promote the disappearance of rash.