If you have a sore throat when you have a cold or fever, you can apply the following methods for treatment: 1. Apply local nebulized inhalation method to treat sore throat, you can apply physiological saline with gentamicin, dexamethasone, chymotrypsin, and nebulized inhalation 2 times/day to relieve sore throat. 2. Apply throat drops method, such as when you have acute pharyngitis or laryngeal edema, you can apply anti-inflammatory drugs for local drops at the throat. 3. You can take broad-spectrum antibiotics to reduce inflammation, such as cephalosporin, penicillin, roxithromycin, azithromycin, etc., all of which can treat throat inflammation after a cold. 4. If a cold is accompanied by a significant fever, you can take non-steroidal anti-inflammatory drugs to reduce fever, detoxify and reduce inflammation, such as ibuprofen, Enzyme and other drugs can treat colds and sore throats after fever.