What is it that tickles a little red spot on the body

Small red spots on the body are itchy due to contact dermatitis, eczema or atopic dermatitis. 1. Contact dermatitis. Short-term performance, often caused by direct contact with highly irritating substances. Severe cases can show peeling and other performance. Need to timely clean the local, reduce the residue of irritants, and symptomatic treatment. 2. Eczema. Long time, repeated performance of small red spots on the skin with itching, often caused by contact or inhalation of allergens. Under the guidance of a doctor, oral antihistamines such as ketotifen, cyproheptadine, chlorpheniramine, levocetirizine hydrochloride, etc., local use of calamine lotion to relieve itching. 3. atopic dermatitis. Previous history of asthma, allergic rhinitis, if the blood test eosinophils increased, small red spots showed more than 6 months, may be showing atopic dermatitis.