Children by mosquito bites appear red lumps can be treated by anti-allergy anti-itch drugs and anti-infection drugs. Mosquito bites have red lumps after most of the mosquito toxins because of allergies to mosquitoes appear the performance of the bite can first use soap and water on the local skin rinse, because soap and water is alkaline, and mosquito toxins are acidic, play a neutralization of the toxicity of the role. If the swelling of the bite does not subside, you can use a weak to moderate hormone ointment (such as hydrocortisone butyrate ointment ointment) under the guidance of a doctor to apply externally. In addition, anti-allergy medications such as loratadine and cetirizine can be used under medical supervision. After being bitten by mosquitoes, you should always pay attention to keep the skin clean and avoid scratching to avoid breakage and infection. If the red lumps after the bite spread and aggravate should promptly seek medical attention, do not take medication without authorization, so as not to delay the condition. Usually avoid scratching the skin lesions.