Summer belt position red bumps if caused by urticaria can be antihistamines, if caused by bacterial folliculitis can be antibiotics, if there is contact dermatitis can be used topical glucocorticoid cream. 1. Urticaria: red bumps at the waistband can be caused by pressure urticaria, which can be manifested as edematous erythema, antihistamines such as loratadine, ebastine, etc., can also be used externally to relieve itching, such as glycerite lotion. 2. Bacterial folliculitis: red bumps at the waistband can also be caused by folliculitis, manifested as red pimples. If the folliculitis is caused by bacterial infection, antibiotic ointment can be used for treatment, such as mupirocin ointment. 3. Contact dermatitis: In addition, the belt is prone to contact dermatitis, need to avoid contact with the material of the belt. Glucocorticoids such as dexamethasone cream can be used for treatment. When the itching is obvious, you can take antihistamine drugs such as loratadine orally, and oral glucocorticoid treatment in severe cases. If the phenomenon of red bumps in the summer waistband, you should go to the hospital in time to check, the use of the above drugs should follow the doctor’s instructions.