Black dots on the back may be due to mites, but it may also be due to keratosis pilaris, blackheads and acne.
1. Mites: normal human skin surface will have a small number of mites parasites, such as follicular worms can be parasitized in the hair follicles and sebaceous glands, if you do not pay attention to skin cleaning, it will lead to follicular worms produced by the secretions, excretions stimulate the skin surface, resulting in localized infections, resulting in the symptom of back long black dots, and at the same time, accompanied by symptoms of itching.
2. Keratosis Pilaris: abnormal keratinization of the hair follicle area, and curly hair, plus usually do not pay attention to local skin moisturizing work, will make the skin dehydrated and cause excessive keratinization of the skin, which will lead to the back of the long black dots of the situation, similar to the chicken skin-like appearance.
3. Blackheads: If the skin cleaning is not in place, it will lead to sebum in the follicle sebaceous gland conduit a lot of silt, hair follicle stimulation will lead to excessive keratinization of epithelial cells, and with the shedding of the follicle epithelial cells mixed, piled up in the hair follicle mouth area, so that the patient appeared to be the symptoms of the back of the long black dots.
Black dots on the back are not necessarily caused by mites, but may also be due to other factors, so you should go to the hospital for examination to clarify the cause of the disease, and give targeted treatment.