There are many reasons for red dots on hands, such as spider nevus, folliculitis, hemangioma and so on.
1. Spider nevus: most of the spider nevus belongs to multiple occurrence, which is mainly due to abnormal liver function. Spider nevus looks similar to ordinary small red dots and will fade when pressed.
2. Folliculitis: red dots on hands may be caused by bacterial infection of hair follicles. Folliculitis, if it develops into suppurative manifestation, will lead to the phenomenon of red dots on hands.
3. Hemangioma: long red dots on the hands may also belong to hemangioma, mainly due to congenital malformation of blood vessel development, the formation of hemangioma in the local area, the surface looks similar to the red dots.
There are many reasons that lead to long red dots on hands, if long term cannot be relieved, it is recommended that patients go to the hospital in time to improve the examination, clear diagnosis, and give standardized treatment.