Wound infections that become pus-filled after surgery can be considered with a selection of broad-spectrum anti-inflammatory medications, such as cefadroxil tablets, amoxicillin capsules, and penicillin V potassium tablets. 1.Cefadroxil tablets: this product can be used to treat urinary tract infections, skin and skin tissue infections caused by sensitive bacteria. This product is associated with adverse reactions, which may trigger gastrointestinal reactions (such as dyspepsia, nausea and vomiting, etc.), hypersensitivity reactions (such as rash, urticaria, neurologic edema, etc.), liver function abnormalities, and so on. It is contraindicated in patients with hypersensitivity to cephalosporins. 2. Amoxicillin capsule: this product is suitable for adults and children due to sensitive bacteria (non-lactamase-producing strains) upper respiratory tract infections, genitourinary tract infections, skin and soft tissue infections. The more common adverse drug reactions reported abroad are diarrhea, nausea and rash. It is contraindicated in patients with penicillin allergy and positive penicillin skin test. 3. Penicillin V potassium tablets: this product is suitable for penicillin-sensitive strains of bacteria caused by mild and moderate infections. Common adverse reactions to this product are nausea, vomiting, diarrhea and black hairy tongue (the filiform papillae on the tongue appear protruding, becoming longer, darker and blacker in color). It is contraindicated in persons with a history of hypersensitivity to penicillins, positive reactions to penicillin skin tests, and infectious mononucleosis. All of the above medications should be used under medical supervision, avoid self-medication.