How do you deal with the symptoms of a rash? It is not possible to generalize. If it is a viral infectious disease, the main treatment is symptomatic and antiviral; if it is an allergic factor, the main choice is antihistamines as well as glucocorticoid drugs; 1. Viral infectious diseases: for example, measles, early childhood emergency rash, rubella, herpes simplex and herpes zoster caused by viral infections, all of which can cause symptoms of skin rashes. Symptomatic treatment: With high fever, you can take acetaminophen, ibuprofen and other antipyretic drugs, and use topical glycerite lotion to relieve itching. Antiviral treatment: Viral infections can be treated with antiviral drugs such as acyclovir and vasiclovir. 2. Allergic factors: for example, contact dermatitis, insect bite dermatitis, hives caused by allergic causes, drug rash, eczema and so on, can also cause rashes. Antihistamine drugs: loratadine, cetirizine, chlorpheniramine and so on. Glucocorticoid drugs: dexamethasone, trimethoprim, prednisone, etc. The symptoms of the rash, you should first go to the hospital for examination to clarify the cause of the disease, all drugs need to be used under the guidance of a professional doctor.