Black spots on hands may be caused by age spots, solar dermatitis and flat warts.
1. Age spots: age spots are a kind of degenerative skin lesions in the elderly, and as they grow older, black spots may appear on the hands and other symptoms.
2. sunlight dermatitis: due to long-term exposure of the hands to ultraviolet radiation, causing acute damage to the skin inflammatory reaction, may appear in the hands of black spots.
3. flat warts: flat warts is a common skin disease, caused by viral infections, belonging to the human papilloma virus, will be in the face, limbs and other parts of the face, showing the size of the rice grain black spots.
There are other reasons for black spots on the hands such as pigmented nevi, hemangiomas, post-inflammatory hyperpigmentation, and subcutaneous bruises caused by trauma, etc. It is recommended that you go to the hospital in time to have a checkup and diagnosis, and choose the corresponding treatment under the guidance of the doctor.