What's wrong with itchy pimples on my back?

The back has a pimple itch, is likely to be caused by skin folliculitis. Folliculitis is caused by Staphylococcus aureus infection and an inflammatory skin disease, the incidence of folliculitis and the back of the hair follicle oil secretion exuberant and wear clothes, used sheets hygiene related. If for mild folliculitis patients, can first remove the pus head, and then in the affected area smear iodine tincture disinfection treatment. Can also be in the affected area smear sulfur calamine lotion treatment. If is folliculitis serious patient, may choose to take spiramycin, azithromycin, cephalosporin and so on antibiotic medicine to carry on the treatment.