Only small red spots after being bitten by mosquitoes may be an allergic reaction caused by insect bite dermatitis. Only small red spots after being bitten by mosquitoes may be an allergic reaction caused by the body to mosquitoes and other insects after biting, the severity of the reaction is related to individual differences. Some people do not have itching and other discomforts after being bitten, only small red spots, generally belong to the normal physiological reaction. Mosquito bites with small red spots will usually recover on their own. During the recovery period should pay attention to hygiene, keep the indoor and outdoor environment clean, you can use soap and water to wash the bites, but also in the doctor’s guidance to apply glycerine lotion or topical tretinoin cream and other glucocorticosteroids. After mosquito bites, you should pay attention to local hygiene, avoid scratching, and keep the skin clean and dry and breathable.