Summer behind a lot of small red bumps can be relieved by medication to improve, but due to the back of a lot of small red bumps caused by a variety of reasons, such as folliculitis, eczema, prickly heat, etc., so the use of the drug is also different, according to the specific cause of the symptomatic treatment. 1. Folliculitis: summer is easy to sweat a lot, easy to breed bacteria and other pathogens infections, causing inflammatory reaction of the hair follicles, will lead to the appearance of a lot of small red bumps, the patient can choose to use topical fusidic acid cream, mupirocin ointment and other antibiotics or topical sertaconazole, ketoconazole, and other anti-fungal medications under the guidance of the doctor. 2. Eczema: Eczema is a chronic inflammatory itchy skin disease, patients can use mometasone furoate, Dinaid cream and other hormonal ointment or calcium-modulated phosphatase inhibitors such as pimecrolimus, tacrolimus ointment and so on. When itching is obvious, oral antihistamines such as loratadine and cetirizine can be taken. 3. Prickly heat: summer sweating, a large amount of sweat is not easy to evaporate, retention leads to sweat ducts become narrow or blocked and cause disease. It can also cause a lot of small red bumps on the back. At this time, you can use glycerine lotion, prickly heat powder, etc., if the itching is obvious, you can take chlorpheniramine maleate and other drugs to stop itching. Because of the many factors that cause a lot of red bumps on the back, so when the patient has symptoms, we recommend that you go to the hospital for examination and diagnosis, as soon as possible to clarify the cause of the disease to take active targeted treatment measures, to avoid delaying the disease aggravate the discomfort. The medication should be used in accordance with the doctor’s instructions.