Mosquito bites the whole foot is swollen may be related to allergies and infections and other factors, mainly through drug treatment, general treatment to help the condition recover. 1. Allergy: mosquitoes carrying certain allergens can often lead to severe localized swelling symptoms after biting sensitive individuals. At this time through the antihistamine drugs such as diclofenac tadine, cetirizine and other anti-sensitization treatment, if necessary, combined with short-term oral hormone therapy such as prednisone. At the same time, corticosteroids such as hydrocortisone cream, fluticasone propionate ointment can also be used to alleviate the inflammatory reaction and improve the treatment of local swelling. 2. Infection: If the mosquito bite some pathogens invade the body after the local skin infection can also cause severe local swelling symptoms, this time generally through the antibiotic drugs, such as erythromycin ointment, amoxicillin capsules and cefoperazone for anti-infection, antibacterial treatment. If the mosquito bite localized severe swelling, should promptly seek medical attention, not unauthorized medication, so as not to delay the condition. Keep personal hygiene on weekdays, pay attention to protection, avoid mosquito bites.