After being bitten by mosquitoes, there will be a small package on the skin, and some allergic reactions can also appear small blisters. In the early stage of the rash did not break, erosion, and the rash is relatively small, relatively limited, we can choose topical medication, such as glyburide lotion, and hormonal ointment, such as hydrocortisone butyrate, dermaplanin, paregoric pine. If the rash has broken down and there is pain secondary to infection, use anti-inflammatory ointments such as Bactrim and Erythromycin ointment. If the rash is widespread, or if topical medications are not very effective, you can take oral anti-allergy medications at the same time, such as paracetamol, keratan, cetirizine. For adults, take 1 tablet orally once a day, and for children, reduce the dosage according to weight and age.