Mosquito bites that stay red and swollen for a long time can be treated with topical creams as well as oral antibiotics. Mosquito bites that do not go away for a long time can be treated with topical ointments. Common topical corticosteroid ointments include hydrocortisone cream, Denuded ointment, fluticasone propionate ointment, etc. Its main effect is to relieve inflammatory reaction and improve local swelling symptoms. If there is a localized bacterial skin infection after mosquito bites, topical antibiotic ointment, such as erythromycin ointment, can be used for anti-infection and antibacterial treatment. If the systemic infection symptoms worsened, you can follow the doctor’s instructions oral amoxicillin or cefoperazone and other antibiotics for anti-infection treatment. If the swelling continues to worsen after being bitten by mosquitoes, you should consult a doctor without authorization, so as not to delay the condition. Pay attention to rest on weekdays, quit smoking and drinking, and maintain local skin hygiene.