Swollen feet from tansy often require antibiotic medications, and treatment includes both topical and systemic medications. Dengue is a relatively common acute non-purulent inflammatory skin disease, mostly due to type B hemolytic streptococcal infection, the treatment is based on systemic medication, and with local medication, systemic medication can be intravenous penicillin, cephalosporin sensitive antibiotics. Penicillin allergy can choose erythromycin or quinolones. In addition, local use of furacilin solution or magnesium sulfate solution wet compresses, and with the topical antibiotic drugs, such as mupirocin ointment. Allergic to the above components of the drug is prohibited, after the use of drugs to observe whether there are adverse reactions, such as nausea, vomiting, diarrhea, rash, etc., if there is a significant adverse reaction need to stop the drug in a timely manner. Dan toxic foot swelling must actively consult the doctor, with the doctor to take treatment, the specific use of drugs need to comply with the doctor’s instructions, the patient can not be arbitrarily used on their own.