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What Causes Mosquito Bites To Itch?

Posted on August 8th, 2019 by Knockout Pest

If you’ve ever had a mosquito bite, you know how itchy they can be. Have you ever wondered what causes this itching sensation? If so, keep reading to get the answer to this age-old question.

Histamines Are The Culprit

When a mosquito bites someone, saliva is transferred into that person’s skin. There are proteins and an anticoagulant can be found in this saliva. The immune system reacts to this by producing histamines. These histamines are responsible for the itchiness associated with mosquito bites.

The Itch-Scratch Cycle

You may have heard of the itch-scratch cycle. The more a person scratches an itchy mosquito bite, the more it will continue to itch because of the inflammation it causes. Scratching an itch repeatedly also makes your skin more vulnerable to infections. 

Some People Don’t Experience Any Itching

There is always that one person who claims they do not experience itching after a mosquito bite. This is due to the fact that they have been bitten before and have built up a resistance to that particular protein. In fact, a person with this type of resistance may not even realize that they have a mosquito bite in the first place!

Do not spend the rest of the summer scratching itchy mosquito bites! If you spot a swarm of mosquitoes on your property, turn to the professionals at Knockout Pest Control to handle the situation. We can help keep your home pest-free!

To learn more, or to schedule an inspection, give us a call at 1-800-244-PEST or 1-800- 244-7378.

Knockout is a proud member of the following trade organizations


Founded in 1980, IFMA is the world's largest and most widely recognized international association for facility management professionals, supporting 24,000 members in 10​4 countries.

This diverse membership participates in focused component groups equipped to address their unique situations by region (133 chapters), industry (15 councils) and areas of interest (six communities). Together they manage more than 78 billion square feet of property and annually purchase more than US$526 billion in products and services.


The Building Owners and Managers Association (BOMA) International is a federation of 91 BOMA U.S. associations and 18 international affiliates. Founded in 1907, BOMA represents the owners and managers of all commercial property types including nearly 10.5 billion square feet of U.S. office space that supports 1.7 million jobs and contributes $234.9 billion to the U.S. GDP.


The National Pest Management Association (NPMA), a non-profit organization with more than 7,000 members from around the world, was established in 1933 to support the pest management industry's commitment to the protection of public health, food and property. This commitment is reflected both in the continuing education of pest management professionals and the dissemination of timely information to homeowners and businesses.


The NYPMA is The Voice for pest management companies all throughout New York State. Becoming a member could be one of the best possible investments you’ll ever make for your business. Not only will you have the backing of the New York Pest Management Association behind your company, but you’ll also get listed locally within our directory. This is a big plus for consumers or businesses looking for a legitimate pest management provider they can trust.


CAI provides information, education and resources to the homeowner volunteers who govern communities and the professionals who support them. CAI members include association board members and other homeowner leaders, community managers, association management firms and other professionals who provide products and services to associations.


GreenPro, the world’s largest and most credible green certification program for pest management professionals, recognizes companies within our industry that are committed to providing commercial and residential customers with reduced risk, comprehensive, and effective pest control services.

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