Itchy mosquito bites can be treated by washing the affected area with soap and water, applying cold compresses to the affected area and using medication. 1. wash the affected area with soap and water: mosquito bites are very itchy can be washed with soap and water to the affected area to stop itching, because soap and water is alkaline, and can neutralize the ant acid, to a certain extent, to reduce the skin inflammation response. 2. Cold compresses: mosquito bites are very itchy how later you can through the ice cold compresses, cold compresses, the affected areas of capillary contraction, can lead to a relative reduction in the release of histamine, to reduce the symptoms of itching. 3. the use of drugs: if the mosquito bite is very itchy can also be treated through the use of drugs, such as external glycerine lotion, mometasone furoate cream to anti-inflammatory itching, internal loratadine and other antihistamine treatment. After the patient was bitten by the mosquito itchy, if the symptoms continue not to relieve or even aggravate, need to consult a doctor in time, to avoid accidents caused by allergies and so on. At the same time: drugs may have side effects, if you need to use drugs should be used under the guidance of a doctor, do not blindly use drugs.