What's with the red bumps on my back?

Red pimples on the back are generally a phenomenon of folliculitis. Folliculitis is mainly caused by pityrosporum infection. Sulfur external washing can be chosen to improve this symptom. If the treatment effect is not good, go to the hospital in time. Secondly, red pimples on the back It may also be urticaria. This manifestation is the kind of large red pimples, which are in large patches and are normally not located in fixed areas. In addition, red lumps on the back may be because the patient's skin is oily, not cleaned in time, resulting in hair follicle blockage, red lumps will form. But this red lumps are normally relatively small, may also be accompanied by some small pus head, pay attention not to scratch, if scratched after may cause secondary infection.