Small red dots on the skin of the arm like blood spots can be treated with medication orally or externally or laser, may be due to eczema or hemangioma or allergic purpura caused by the need for symptomatic treatment according to the specific circumstances.
1. Eczema: it may be due to contact with some allergenic substances or eating something that causes allergic reaction after the appearance of eczema, manifested by small red dots on the skin or accompanied by itching, etc., the treatment can be oral loratadine or cetirizine and other anti-allergy, but also with the use of glycerine lotion to stop itching.
2. Hemangioma: this disease can be manifested as a raised skin surface or subcutaneous elevated red patches or plaques, which can be accompanied by an increase in skin temperature. Laser treatment can be chosen for treatment.
3. Anaphylactic purpura: mainly manifested as purplish-red papules on the skin, which do not fade when pressed, and may be accompanied by itching or joint and gastrointestinal symptoms. Treatment can be applied to anti-allergic drugs such as loratadine.
The appearance of unexplained red dots is recommended to the dermatology department in a timely manner, after a clear diagnosis of symptomatic compliance with the doctor’s prescription medication, do not self-medication.