Redness, swelling and pain at the edge of the finger can be treated with general treatment, medication and surgery depending on the cause, which may be related to onychomycosis or trauma. 1. Inguguinitis: Most of the time, the local soft tissues are damaged when dealing with thorns or trimming nails, which leads to bacterial infection and causes redness, swelling and pain extending to the edge of the finger. You can apply fusidic acid cream or mupirocin cream externally, etc. You can also take anti-inflammatory drugs orally at the same time, usually you can choose antibiotics, such as roxithromycin and cefadroxil capsules. If the nail groin inflammation wound fluctuation feeling, can take the incision wound will be pus secretion as far as possible drainage discharge. 2. Trauma: often due to accidental scratches, due to untimely treatment, causing wound infection, redness, swelling and pain. The wound can be sterilized intermittently with iodophor. In addition, the infection caused by trauma should be systematically treated with anti-infection, you can take cefadroxil tablets or roxithromycin dispersible tablets orally, and observe the recovery of the condition. If a serious abscess is formed, further surgical drainage is needed. The above medicines are for reference only, and the specific usage should follow the doctor’s instruction. When the edge of the finger is red, swollen and painful, it is recommended to consult a doctor for further examination and choose a reasonable treatment plan under the doctor’s comprehensive analysis.