What causes back acne?

Acne on the back may be caused by acne and folliculitis.
1. Acne: a chronic inflammatory skin disease of the follicular sebaceous gland unit, may be related to genetics, androgen-induced sebum secretion, Propionibacterium acnes reproduction, follicular sebaceous gland duct keratinization, immune-inflammatory response and other factors, the onset of some patients are also affected by emotional, dietary and other factors.
2. Folliculitis: Inflammation of the hair follicles caused by bacterial, fungal and other pathogen infections, manifested as red papules, can lead to acne on the back of patients.
It is recommended that patients go to the regular hospital in time, under the guidance of the doctor to carry out relevant examinations, to clarify the cause of the disease to take targeted treatment.