Brown spots on the legs may be caused by allergic purpura, coffee spots, seborrheic keratosis, etc., which need to be analyzed according to the symptoms.
1. Henochromatosis purpura: It is an inflammatory reaction of blood vessels, due to the rupture of subcutaneous capillaries causing skin hemorrhages, ecchymosis of the skin may lead to brown spots on the legs.
2. Coffee spots: Coffee spots are scattered distribution, light brown and clear boundary rash, occurring at birth or soon after, easily accompanied with neurofibroma.
3. Seborrheic keratosis: occurring in elderly patients, is a common benign epidermal proliferative tumors, originating from the stratum corneum forming cells, may be related to sun exposure, chronic inflammatory stimuli, may lead to long brown spots on the legs.
Brown spots on the legs, there may be other reasons, need to go to the hospital in time to check, clear cause, follow the doctor’s instructions standardized treatment.