Sudden growth of a mole on the body may be caused by environmental factors, genetic factors, trauma, melanoma and other reasons.
1. Environmental factors: if you often go out without paying attention to sun protection and get irradiated by ultraviolet rays, it can lead to melanin precipitation, melanocyte proliferation and formation of nevus, if there is no other abnormal manifestation, it usually doesn’t need special treatment.
2. Genetic factors: due to genetic factors, some people grow moles in childhood or adolescence, usually no special treatment is needed.
3. Trauma: Trauma to the skin on the body can induce the formation of moles in the process of skin repair.
4. Melanoma: If the size of a mole grows or causes pain, itching, irregularity, etc., it may be melanoma, and it is recommended to consult a doctor in time.
If a mole grows suddenly on your body, and if it is accompanied by other abnormal symptoms, it is recommended to consult a doctor in time to clarify the cause of the disease and then treat it.