Common causes of back spots include lichen planus, hyperpigmentation, age spots, vitiligo and so on.
1. lichen planus: this product is mainly caused by the over proliferation of malassezia bacteria, manifested as the chest and back, neck and other places appear brown, clear boundaries and the surface of the fine scales of the skin lesions.
2. Hyperpigmentation: this disease occurs in the back, can be caused by solar dermatitis, acne and other factors, can lead to the back of the skin leaving hyperpigmentation, local skin color deepening and other symptoms.
3. Age spots: the cause of this disease is unknown, can be caused by skin aging, heredity, sun exposure, infection and other factors, manifested in the skin slightly above the surface of the skin, light brown flat papules or plaques, late lesions rough and other symptoms.
4. Vitiligo: the cause of this disease is unknown, can be caused by autoimmune, oxidative stress, melanocyte self-destruction, neurochemical factors, genetic factors and other factors, manifested in the skin and mucous membranes, white patches, which can be round, oval, linear or irregular shapes, varying in size and other symptoms.
It is recommended that patients go to the dermatology department of regular hospitals when necessary, follow the doctor’s instructions to clarify the diagnosis and timely treatment.