There are many different diseases that can cause red bumps on the body, such as allergies, which are usually caused by contact with allergic substances, such as willow, pollen or cosmetics, and may also be caused by food or medication, etc. This condition usually develops suddenly and is accompanied by itching symptoms, which can be improved by anti-allergy treatment, the more commonly used drug is oral paracetamol. The red bumps on the body may also be caused by folliculitis, which is related to excessive oil secretion and skin infections, and requires comprehensive treatment to improve, on the one hand, you can use antibiotic creams to apply topical anti-infection treatment; on the other hand, you should pay attention to regulating your diet to stabilize the body’s hormone level and reduce the secretion of oil.