Hard bumps on the skin may be related to mosquito bites, or may be caused by warts, lipomas, dermatofibromas and other causes.
1. mosquito bites: in the summer mosquitoes are more, if you do not do a good job of mosquito repellent treatment, is likely to lead to mosquito bites to the local skin, which may cause local skin raised hard bumps.
2. Warts: for example, flat warts, usually caused by human papilloma virus infection, can lead to localized skin bumps, can appear in the face, back of the hands and forearms and other parts.
3. Lipoma: may be related to heredity, can cause limbs, back, neck and other parts, the appearance of raised hard bumps, when pus or pressure on the nerve, there will be pain.
4. Dermatofibroma: may be related to trauma, insect bites and other factors, can lead to the appearance of round nodules on the skin, the color of reddish-brown or crimson, most of them do not have any symptom, but when touched, pain may occur.
Raised hard bumps on the skin should be treated as soon as possible, after the cause is clarified, by a doctor’s guidance.