Ever Wondered Why You Get So Many Mosquito Bites? Blood Type Could Explain It

Ever Wondered Why You Get So Many Mosquito Bites? Blood Type Could Explain It

Ever Puzzled Why You Get So Many Mosquito Bites? Blood Kind May Clarify It

Whereas summer season is by far my favourite season, fall is a detailed second. The reasonable temperatures permit me to spend extra time outside doing issues I really like: mountain climbing, strolling and spending time by the lake. However that point in nature is shortly ruined after I discover myself lined in itchy crimson lumps after spending a couple of minutes outside. As a result of regardless that summer season is nearly over, the pesky mosquitoes are nonetheless energetic till early November.

In case you’re like me, you get annoyed with the variety of mosquito bites that litter your physique, making you need to scrape the pores and skin across the chew till you hit the bone. Whereas the stitches alone may be annoying, it is downright infuriating after I stroll in with a number of new brilliant crimson welts when my mates so sweetly report that they do not have a single one.

Why is that? It is not that we’re notably unfortunate. There are literally scientific the reason why mosquitoes distinguish sure individuals. This is precisely why mosquitoes chew and how one can change into much less of a goal this summer season and past. (You too can discover how one can simply take away ticks with out tweezers.)

Why do mosquitoes chew?

Opposite to what you may suppose, mosquitoes do not chew individuals for meals, they feed on plant nectar. Solely feminine mosquitoes chew, and so they achieve this to obtain the proteins out of your blood wanted to develop their eggs.

Why are some individuals extra susceptible to bites?

A number of components clarify why some persons are extra susceptible to mosquito bites than others:

Blood group

A standard perception is that mosquitoes are drawn to sure blood teams, contemplating that mosquitoes chew people for his or her blood. Blood sort is set by genetics, and every blood sort is created based mostly on totally different units of particular proteins, known as antigens, on the floor of crimson blood cells. There are 4 major blood teams: A, B, AB and O.

Though there aren’t any definitive conclusions as to which blood sort is most tasty to mosquitoes, a number of research have urged that sort O persons are essentially the most palatable to mosquitoes. A 2019 research noticed the feeding conduct of mosquitoes when offered with totally different blood sort samples and located mosquitoes fed from the kind O feeder greater than every other. A 2004 research additionally discovered that mosquitoes land on blood group O secretors (83.3%) rather more than blood group A secretors (46.5%).

Nevertheless, these research are usually not definitive and far remains to be unresolved about mosquito blood sort preferences.

Clothes shade

Mosquitoes are very visible hunters on the subject of discovering a human to chew. This implies motion and darkish clothes colours like black, navy blue and crimson can stand out towards a mosquito. Analysis has proven that mosquitoes are extra drawn to the colour black, however there was little additional analysis into why that is the case.

Carbon dioxide

Mosquitoes use sight and odor to seek out hosts to chew. One of many quickest methods mosquitoes detect an individual is thru the carbon dioxide emitted once we breathe. In response to a research printed within the journal Chemical Senses, mosquitoes use an organ known as the maxillary palp to detect carbon dioxide and may detect it from 50 meters away.

As a result of carbon dioxide is a large attractor, individuals who emit extra of it — taller individuals and individuals who breathe closely when exercising — are extra engaging to a mosquito.

Physique odor and sweat

Mosquitoes are drawn to extra substances and compounds than simply carbon dioxide. Mosquitoes can discover individuals to chew by smelling substances on human pores and skin and in sweat, together with lactic acid, uric acid, and ammonia.

Researchers are nonetheless studying why sure physique odors are extra engaging to mosquitoes, however they know that genetics, micro organism on the pores and skin, and train all play a job. Genetics affect the quantity of uric acid launched, whereas train will increase lactic acid buildup.


In a small research, mosquitoes have been noticed to land on contributors extra ceaselessly after consuming a small quantity of beer. However earlier than you hand over on beer for good, know that the research solely had 14 contributors and located that mosquitoes could also be solely barely extra drawn to individuals who drank beer.

The dimensions and severity of a chew is determined by how your immune system reacts to the saliva launched by the mosquito when it bites.

Suriyawut Suriya/EyeEm/Getty Photographs

Why do some individuals swell greater than others from mosquito bites?

Mosquito bites can vary in measurement from small specks to massive welts. why is that this the case?

Bites have an effect on individuals in another way. The dimensions and severity of a chew is determined by how your immune system reacts to the saliva launched by the mosquito when it bites. When mosquitoes chew, they inject saliva after they draw blood. This saliva accommodates sure blood thinners and proteins, triggering the immune system to reply to these international substances.

Our physique reacts by releasing histamine – a chemical that’s launched by white blood cells when your immune system fights allergens – inflicting the chew to itch and change into infected.

Prevention and therapy of mosquito bites

The easiest way to take care of a mosquito chew is to not get them within the first place – however usually that is simpler mentioned than executed.

Listed below are some frequent methods to stop mosquito bites:

  • Use repellents and insect repellents (Repel, Off! Deep Woods and different manufacturers containing DEET)
  • Use pure repellents (lemongrass important oilneem oil, thyme important oil)
  • Keep away from going out at daybreak or nightfall
  • Keep away from darkish coloured garments, particularly black
  • Keep away from standing water and attempt to remove standing water close to you
  • Use a mosquito web when tenting or sleeping outside
several types of bug spray lined up on a table

Repellents are very efficient in stopping mosquito bites.

Amanda Capritto/CBS

Mosquito bites, though annoying, are sometimes not severe and disappear inside a couple of days. Within the meantime, there are a number of therapies to alleviate itching and irritation:

  • Clear with rubbing alcohol if a recent chew
  • Take an oatmeal bathtub
  • Use over-the-counter antihistamines resembling Benadryl or Claritin
  • Apply gentle corticosteroid lotions
  • Use aloe vera to scale back irritation
  • Strive a chilly compress

Though tough, strive as greatest you can’t to itch the chew too harshly to keep away from any sort of pores and skin response or an infection.

To be taught extra, examine 5 sensible methods to repel mosquitoes this summer season, the mosquito forecasting software launched by Google and Off, and how one can make your personal DIY traps towards mosquitoes, hornets and different flying bugs.

The knowledge on this article is for academic and informational functions solely and isn’t supposed to represent medical or well being recommendation. At all times seek the advice of a doctor or different certified well being care supplier with any questions you will have a couple of medical situation or well being targets.


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