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Common Pest Allergies & Allergic Reactions


Can You Be Allergic to Pests?

Not only are pests disturbing to look at but they can also trigger various allergies that, if left untreated, can lead to irritating outcomes. Worst case scenario? They can have life-threatening consequences.

Pest allergies are a common problem. In fact, one study showed that 80% of homes in America suffered from pest problems in a single year. Below are the most common pests that infest homes and the allergic reactions they induce.

Common Signs of an Allergic Reaction

In most minor cases, allergy symptoms are a nuisance but harmless. However, there are cases in which pest allergies can become a real threat. A severe allergic reaction called anaphylaxis requires immediate medical attention and can be life-threatening if left untreated. Anaphylaxis can affect multiple organs, such as the lungs, heart, stomach and skin. Although most pests induce minor symptoms similar to a common cold, anaphylaxis is the most severe consequence of an allergic reaction and can occur in some cases.

The first signs of a pest-induced allergic reaction are:

  • Itchy skin rashes
  • Swelling of tongue, lips or throat
  • Shortness of breath or asthma
  • Stomach aches, vomiting and diarrhea

What are the Most Common Household Pests that Trigger Allergic Reactions?


Cockroaches are one of the most common pests that cause allergic reactions. The reason why cockroaches are so common is because they can survive in various environments at different temperatures. Cockroaches not only carry harmful bacteria but they are also known to carry numerous diseases. They spread disease and bacteria through traces of their bodily waste, such as their feces, saliva and shedded skin.

Common allergies from cockroaches include:

  • Skin rashes
  • Coughing and congestion
  • Ear infections
  • Itchy and watery eyes

The most dangerous reaction to cockroaches is asthma attacks. Cockroach dust is known to cause asthmatic reactions like anxiety, tightness in the chest and wheezing. The best way to get rid of a cockroach infestation is by extermination and removal.


The most common rodents that trigger allergies include rats, mice and guinea pigs. Places with a high concentration of rodents include cities and urban areas, and people who live in these areas are at a high risk of rodent allergies. Allergies can be triggered by contact with the rodent’s feces, urine, saliva and fur.

Common symptoms of rodent allergies include:

  • Itchy skin
  • Eczema
  • Nausea

The best way to get rid of rodents is to hire a local pest control company to perform rodent control.

Biting Insects

Insects like mosquitoes, bed bugs and fleas are among the most common household pests. They can infest any area inside or outside of your home. Allergies are usually induced when the insect bites the skin directly.

The most common symptoms from insect bites include:

  • Itching of the skin
  • Pain
  • Minor swelling
  • Redness

The best way to treat a bedbug and insect infestation is through professional extermination and removal.

If you have any questions on pest removal services, contact Dustin Pest Control for the best pest control Fresno has to offer.

Written by Ryan

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