You need to take medicine according to the cause of the anal swelling, you can not blindly use medicine to avoid abnormal reactions. If it is caused by perianal abscess, the general effect of drug treatment is not satisfactory, it is recommended to directly carry out surgical treatment, which can drain or drain the pus; if it is caused by proctitis, you can take Gu Shen intestinal security capsule orally for treatment; if it is caused by serious hemorrhoids, you can take amoxicillin, hemorrhoid speeding tablets, Sophora flower powder and other drugs orally for treatment; if it is caused by anal sinusitis, you can take amoxicillin, metronidazole capsules and other If it is a prolapse of the rectal mucosa that causes a feeling of falling anus, medication is basically meaningless and requires direct surgery; in addition, there may be cases caused by rectal cancer, anal fistula, etc. It is best if you can go to the hospital in time for examination and then take medication according to the results.