More and more black spots on the body may be caused by endocrine disorders, sunburn, pigmented moles and other reasons.
1. Endocrine disorders: some endocrine glands or cells in the patient’s body can not normally secrete hormones, which makes estrogen secrete too much, resulting in hormone imbalance. It can stimulate the production of tyrosinase and make melanin cells active in secretion, thus causing more and more black spots on the body.
2. Sunburn: prolonged exposure to ultraviolet rays may lead to sunburn and melanin precipitation, which may cause more and more black spots on the body.
3. Nevus pigmentosus: it is a benign neoplasm composed of nevus cells, which can occur in any part of the skin, and is mainly manifested as yellowish, brownish or black spots or papules, which can lead to more and more black spots on the body.
Black spots on the body more and more may also be caused by other reasons, it is recommended that patients go to the hospital in a timely manner, in accordance with the doctor’s instructions for treatment, to avoid delaying the condition.