Ant bites red swelling itch and insect bite dermatitis related, patients can follow the doctor’s instructions with antihistamines such as loratadine, anti-itching agents such as glycerite lotion, glucocorticoids such as mometasone furoate cream and other drugs to stop itching. For insect bite dermatitis caused by redness, swelling and itching, you can first use running water to rinse the lesions, iodine povidone disinfection, etc., but also through the local ice packs to shrink blood vessels, thereby alleviating the discomfort. In addition to taking simple treatment, some patients with insect bite dermatitis need to follow the doctor’s instructions with loratadine, cetirizine and other antihistamines, but also external glycerine lotion to relieve the itching sensation. For those with obvious localized swelling, mometasone furoate ointment, hydrocortisone ointment and other glucocorticoid ointment can be used externally. Daily attention to create a good living environment, regular insecticide work, etc., to avoid mosquitoes, ants and other bites. It is recommended that patients use medication under the guidance of a physician, and should not use drugs or prescriptions on their own, so as not to aggravate the redness, swelling, itching and other uncomfortable symptoms.