Small red dots on the skin without pain or itching may be spider nevus, hemangioma, bleeding spots and other reasons, need to apply drugs, laser or surgery for the cause of the treatment.
1. Spider nevus: Spider-like red dots formed by the expansion of skin capillaries due to excessive generation and inactivation of estrogen and diminution of the effect of androgens in the body, which can be disappeared after pressing, and reappear again after withdrawing force. Patients with spider nevus are recommended to check for liver diseases, and the rash usually needs no treatment, and can be removed by laser or freezing if necessary.
2. Hemangioma: a kind of benign tumor originated from endothelial cells of blood vessels, usually manifested as a red bulge in the skin or subcutaneous, with clear boundary with normal tissues. It can be treated by applying propranolol and timolol to smear the tumor, dexamethasone and bleomycin intra-tumoral injection, and surgical resection if necessary.
3. Skin hemorrhagic spots: mainly related to blood system diseases such as leukemia, aplastic anemia, primary immune thrombocytopenia, hypersplenism, liver dysfunction, insufficient synthesis of coagulation factors and coagulation dysfunction caused by application of antiplatelet and anticoagulant drugs, etc., blood vessels in the hand form hemorrhagic spots. You can supplement platelets, coagulation factors and other components, and for the treatment of the original disease.
Small red dots on the skin without pain or itching may be related to a variety of factors, it is recommended to consult a doctor to clarify the diagnosis, pay attention to the use of medication under the guidance of a physician.