Mosquito bites caused by skin allergies called insect bite dermatitis, mosquito saliva contains histamine and toxic components, will cause an allergic reaction to the skin and toxic irritation reaction, resulting in skin papules or pimples, the appearance looks like swelling like performance, serious will appear on the swollen skin blisters. Try not to scratch after being bitten by insects, the more scratching the slower it will subside, mild swelling can be coated with glyburide lotion to relieve itching, most 3-5 days can subside on their own. If the itching is severe you need to use topical hydrocortisone butyrate cream or Denide cream, apply twice a day, these two creams belong to the soft hormone class, continuous application should not exceed a week’s time. In addition, you can take oral levocetirizine tablets or benzosuberastine tablets, pay attention to indoor insecticides and do not touch pets, do not eat spicy, seafood, beef and mutton during the treatment period.