What about skin erythema itching?

Skin erythema, itching manifested. It may be a symptom of allergic dermatitis. Allergy caused by contact with something is more complicated. Things contacted in daily life may cause allergy. Skin care products, cosmetics, mites and dust in the air, pollen. If skin itching occurs, most skin allergies will subside by themselves. After getting rid of allergens, they will slowly alleviate. At the same time, symptoms will also be relieved. Usually, you should wear some loose clothes and do some cold compresses on the skin. Or take a cold shower, you can also apply some calamine lotion, or 0.03% tacrolimus, if you are troubled by allergic symptoms for several weeks, you should see a doctor in time, the doctor will prescribe better histamine, or steroid drugs to help relieve symptoms, very few skin allergies can cause life-threatening allergic reactions, need to see a doctor as soon as possible.