Red dots on the legs are painless and itchy, and may be related to allergic purpura, mosquito bites, cherry angiomas and other aspects of the disease.
1. Anaphylactic purpura: Anaphylactic purpura is a vasculitis skin disease, associated with infection, drugs, food and other factors. The main manifestation is the appearance of small purple-red spots on the skin, the pressure does not fade, usually painless and itchy, there may also be abdominal pain, arthralgia and other symptoms.
2. Mosquito bites: some mosquito bites, there will be small red spots on the legs and does not itch, this situation generally does not require special treatment.
3. Cherry-like hemangioma: common in middle-aged and old people, mainly manifested as hemispherical cherry-colored papules, higher than the skin surface, pressure can fade, usually painless and itchy, no conscious symptoms.
There are red spots on the legs that are painless and itchy, and there may be other reasons, so it is recommended to go to the hospital in time, and after clarifying the cause of the disease, actively treat the symptoms.