Pimples on the back are mostly caused by acne and folliculitis, which can be treated with topical or oral medication, as well as physical therapy, or incision and drainage if the folliculitis is pus-filled and ruptured.
1. Acne: excessive secretion of sebum by the sebaceous glands of the hair follicles on the back, bacterial or fungal reproduction to form inflammation, which can be treated with medication and physical therapy.
(1) Medication: If the symptoms are mild, topical retinoids, benzoyl peroxide, antibiotics, azelaic acid, salicylic acid cream or gel can be used. Oral antibiotics such as tetracyclines and macrolides can be taken or retinoids and anti-androgenic drugs can be used. If the symptoms are serious, short-term oral glucocorticoid medication is needed for treatment.
(2) Physical therapy: LED blue light or red light therapy, photodynamic therapy (PDT) can be used for more serious lesions.
2. Folliculitis: due to keratinization of hair follicle sebaceous gland ducts, bacterial and fungal infections lead to inflammation and back acne, which can be treated with medication, physical and surgical treatments.
(1) drug therapy: bacterial infection caused by early folliculitis with topical antibacterial and anti-inflammatory drugs, such as 3% tincture of iodine, 20% ichthyolite ointment, mupirocin ointment and so on. Serious systemic symptoms can choose cephalosporins, enzyme-resistant penicillins, quinolones or macrolides of antibiotics oral treatment.
Fungus caused by folliculitis, can be used externally sertaconazole cream, ketoconazole cream, etc., serious cases can be combined with oral itraconazole capsules, terbinafine oral.
(2) Physiotherapy: Ultra-short wave, far infrared ray and ultraviolet ray can be used in the early stage of the disease.
(3) Surgical treatment: If the folliculitis is large and pus has broken out, it should be incised and drained.
Acne on the back may also be caused by other reasons, you need to go to the hospital in time to further clarify the cause of the disease, for the cause of the treatment.