The following drugs are commonly used to reduce inflammation and swelling in the anus: 1, if it is a streptococcal infection, such as staphylococcal infection, you can use penicillin, because penicillin has a very good inhibition and killing effect on staphylococci, and there is no greater resistance so you can use penicillin; 2, if it is an anaerobic bacterial infection can be treated with metronidazole drugs, because anaerobic bacteria are very sensitive to metronidazole files and resistance to almost There is no, the treatment effect is very good and less side effects; 3, if it is enterobacteria bacterial infections, such as Escherichia coli commonly used drugs have quinolone drugs, quinolone on E. coli bactericidal effect is very good and has a broad spectrum of bactericidal effect. Difficult to produce drug resistance, will not cause the body to have allergic reactions, side effects are quite small, commonly used and temifloxacin, cephalosporin, etc..