A red rash on the neck, if it is allergic factors, you can use glycerine lotion, hydrocortisone ointment and other drugs; if it is a fungal infection, you can use clotrimazole ointment, ketoconazole cream; if it is a viral infection, you can use acyclovir ointment, penciclovir ointment and so on.
1. Allergic factors: for example, contact dermatitis, hives caused by allergies, eczema, insect bites inflammatory drug rash, etc., may lead to a red rash on the neck. You can use topical glycerine lotion, hydrocortisone ointment, compound dexamethasone ointment and other drugs to treat.
2. Fungal infections: fungal infections caused by the skin Malassezia folliculitis or ringworm, can also cause a rash on the neck of the symptoms, can be used topical clotrimazole ointment, ketoconazole ointment, terbinafine cream and other drugs.
3. Viral infections: viral infections caused by chickenpox, herpes simplex, shingles and other diseases of the skin, can also cause a rash on the neck of the symptoms, you can use acyclovir ointment, penciclovir ointment and other antiviral drugs.
A red rash on the neck should be checked in a timely manner, and all medications need to be used under the guidance of a professional doctor.