Boils are mainly confined, infectious diseases caused by aggravation of folliculitis later, and there will be obvious redness, swelling, heat and pain when touching the surface with hands, and even fever, headache, nausea and vomiting in severe cases. If you want to quickly reduce swelling and pain, it is recommended to choose to use oral medication with topical medication for treatment, you can also choose intravenous infusion. 1.Oral medication: choose to use amoxicillin or cephalosporin III or above, you can also choose roxithromycin. 2.Topical medication: you can apply mupirocin cream or fusidic acid ointment, using metronidazole gel also has obvious effect. 3.Intravenous infusion treatment. It is recommended to use penicillin directly. It should be noted that penicillin drugs and cephalosporins need to do allergy tests before use, and once allergy symptoms appear, these two drugs cannot be used.