Small red dots above the skin may be contact dermatitis, urticaria, lupus erythematosus and other diseases.
1. Contact dermatitis: contact dermatitis is an inflammatory reaction of the skin at the contact site or even outside the area after the skin is exposed to some external substance. Patients may have pimples, erythema, blisters, flushing, manifested by small red spots on the body above the skin.
2. Urticaria: stimulation by allergens, excessive fatigue, mental stress, decreased immunity and other factors. The erythema that will appear in patients with urticaria will lead to the appearance of small red spots on the body above the skin, and develop into a wind mass with the development of the disease.
3. Lupus erythematosus: related to genetic factors or ultraviolet burns, drug-induced tissue damage, pathogenic microbial infections and other factors. Patients will appear erythema, papules, blisters and other symptoms, manifested in small red spots above the skin.
There are many diseases that cause small red spots above the skin on the patient’s body, and it is recommended that the patient go to the hospital in time for relevant examinations.