Lymphadenitis is mostly caused by lymphadenitis, which is a bacterial infection with Gram-positive cocci or positive bacillus infection. You can take oral anti-inflammatory drugs of penicillin, such as amoxicillin and ampicillin, etc. You can also take oral cephalosporins of the first generation, or cephalosporins of the second generation, such as cefradine, cefixime, cefaclor, etc. You can also take oral anti-inflammatory drugs of quinolones, such as levofloxacin, ciprofloxacin, etc. are available. In the process of taking the medicine, you should pay attention to the remission of lymph node inflammation, the remission of redness and swelling, and the pain. If the redness and swelling and pain are reduced during the treatment, it means that the treatment is effective. If the redness and swelling worsens and the pain increases, you need to continue to come to the hospital and change antibiotics if necessary.