Red nevus all over the body may be caused by cherry angioma, lupus erythematosus, spider nevus, bright red nevus and so on.
1. Cherry hemangioma: it is a benign lesion, also known as senile hemangioma, most of them do not have conscious symptoms, and can be manifested as red nevus all over the body, the cause of which is still unclear, and generally do not need special treatment.
2. Lupus erythematosus: this disease belongs to a kind of autoimmune disease, usually due to the influence of certain factors, resulting in the body’s immune response malfunction caused by the local skin to appear more red spots, which is described as red nevus all over the body, and in severe cases, it may result in localized edema, and even blisters can be formed.
3. Spider nevus: it is considered that it may be caused by elevated estrogen level, which is commonly seen in adolescent girls, pregnant women and other people, and also seen in patients with liver function damage, which may be manifested as red papules on local skin, surrounded by radial distribution of capillary dilatation, and it is often described as red nevus all over the body.
4. Nevus erythematosus: belongs to a kind of benign tumor, which may have existed at birth, and it occurs in the face, neck and other areas, which may make the local skin appear light red or dark red patches, and thus may manifest as red nevus all over the body.
It is recommended to consult a doctor as soon as possible to clarify the cause and give targeted treatment.