Why do mosquito bites itch and get bruises

More mosquitoes in summer, mosquito bites, human local may appear itchy and bun symptoms, mainly with the mosquito bite will release saliva related. But because of individual differences, mosquito species are also more, if there is a local red itchy, bun other than symptoms, it is recommended that you should seek medical attention. Mosquito bites after the local skin bun, itchy, mainly with the mosquito bite process secreted in favor of preventing blood clotting anticoagulant related to the slow clotting of blood is conducive to mosquitoes to suck blood. But the body’s immune system will produce resistance to this anticoagulant, the skin will release histamine to fight. Histamine has a diastolic effect on blood vessels, may lead to local allergic reactions such as redness, swelling, itching, bruising. The degree of inflammation after the mosquito bite is mainly related to the type of mosquito, the concentration of anticoagulant, the time of the bite and the patient’s physical condition. The longer the mosquito bite, the more sensitive the population’s constitution, the more obvious the symptoms of the mosquito bite. Mosquito bites after the skin bun and feel itchy, you can apply wind oil, flower lotion, etc. to relieve itching or swelling. Such as local redness and swelling, but also the use of physical therapy, such as ice on the bite site, can also reduce itching, bun symptoms. If the itching is unbearable, antihistamines such as loratadine and cetirizine can be taken to relieve it. If the patient’s symptoms worsen, such as fever, pain and other symptoms, you should actively go to the hospital, according to the individual situation for targeted treatment, so as not to delay the disease.