Babies with red, swollen and itchy bug bites can be relieved of inflammation by applying glucocorticoid ointment, and macrolide ointment can be used if there is an infection, etc. 1. Glucocorticoid ointment: such as hydrocortisone cream, etc., has anti-inflammatory, anti-allergic effect, applying the affected area can reduce the itching symptoms of bug bites. 2. Macrolide ointment: mainly refers to erythromycin ointment, antibacterial spectrum is broader, for mosquito bites caused by skin congestion, edema has an anti-inflammatory effect. 3. Other: If the rash area is not large, you can use glycerin lotion to astringent and stop itching. When the affected area appears oozing, you can also use keto acid solution to make the affected area dry and reduce oozing. The baby’s skin is delicate, by mosquito bites local skin is prone to itching, redness and swelling and other symptoms. You need to use medication under the guidance of a doctor, avoid unauthorized use of medication.