Acne on the arm may be caused by folliculitis, perifollicular keratosis, skin allergies, etc. It needs to be improved by life conditioning, medication (tazarotene gel, etc.), physical therapy, etc. according to the cause of the disease.
1. Folliculitis: it is caused by bacterial infection of hair follicles, which will be manifested as localized redness and swelling, accompanied by pain. It can be treated by applying mupirocin ointment and erythromycin ointment.
2. Keratosis Pilaris: The typical symptom of Keratosis Pilaris is the appearance of pinpoint-sized red dots on the skin, with curly hairs inside the red dots. Generally do not need special treatment, patients with treatment needs can be treated with retinoic acid ointment, salicylic acid ointment, urea cream.
3. Skin allergy: If small pimples are present in a row and itchy, they may be caused by skin allergy. Can be applied externally glycerine lotion, compound dexamethasone acetate cream and other drugs, serious symptoms can be oral loratadine tablets and other treatments.
Arm acne may also be caused by other factors, the patient should consult a doctor in a timely manner, a clear diagnosis, and then strictly comply with the doctor’s instructions for treatment.