The baby was mosquito bites red swelling and swelling methods include topical ointment, oral anti-allergy drugs. 1. Topical ointment: baby skin is tender, when the mosquito bites the skin will appear red and swollen, you can first cold compress, if the effect is not good with severe itching, you can use a weak hormonal ointment, such as dinexed cream; if the skin has been scratched, you should apply erythromycin ointment or mupirocin ointment anti-infection treatment. 2. Oral anti-allergy drugs: for allergic baby mosquito bites after the skin will appear serious swelling with itching, you can follow the doctor’s instructions to take anti-allergy drugs, such as cetirizine drops. The above is the baby was mosquito bites red and swollen commonly used methods to reduce swelling, but if there is no relief or fever, body pain and other phenomena, it is best to take the baby to the hospital to do the relevant examination, to give targeted treatment, the above drugs need to be used under the guidance of a doctor.