Infants with large redness and swelling after being bitten by mosquitoes, the first thing is to apply ointment for topical application, for example, you can apply Bactrim or Lincomycin or Lidocaine gel to children for topical application. Because these two ointments are antibiotic ointment, thus effectively prevent bacterial infection and prevent the child’s symptoms from worsening. The next is to give children oral antihistamines, such as loratadine or cetirizine can be applied to children. Because infants are mosquito bites after the reason there is a large area of redness, in addition to the role of inflammation and allergies are related. Antihistamines can effectively reduce the secondary allergic symptoms caused by inflammatory edema and so on, thus reducing the swelling of very good effect.