Cockroach Allergy

Cockroaches invade our houses. They are unwanted guests that leave many people petrified. Cockroaches like our homes because they find there everything they need: humidity, food, optimum temperature and water. Infestation of cockroaches is a cause of food poisoning and allergies. Many people can be allergic to cockroaches because of sensitivity to the cockroach allergen. However, very often unknowingly, many individuals relate allergic reactions to common triggers like pollen, dust, etc.

Cockroaches can multiply very fast. They produce secretions, saliva, cast skins, eggs, waste matter, etc., which are potential allergens. Dry remnants of a cockroach dead body can remain suspended in the air. Regular sweeping, vacuuming, and other cleaning activities will disperse various allergens all over. The size of allergen can be different and usually ranges from 10 to 200 microns.

If a person has cockroach allergy, the body recognizes the allergens as harmful substances and produces antibodies to fight it. IgE (immunoglobulin E) is an antibody combating cockroach allergens. Antibodies stick to mast cells found in the nose and trigger allergic responses next time the allergen gets in the body. The IgE causes the production of histamine that provokes the symptoms.

The Symptoms of cockroach allergy include:

  •  Itchy throat
  • Runny nose
  • Sneezing
  • Cough
  • Nasal congestion
  • Watery eyes
  • Rhinoconjunctivitis
  • Allergic rhinitis

To diagnose cockroach allergy it is necessary to perform several tests. Skin tests are necessary to check for allergic symptoms development. If a patient does really have cockroach allergy, the skin becomes swollen and red. Aside from skin test, the IgE test is required to check for cockroach allergy. The test is generally performed on people with some skin problems producing same reactions.


Cockroach allergy may be controlled by removing all the nasty insects from your house by the regular use of insecticide sprays and special treatments. Proper cleaning methods prevent the multiplication of cockroaches thus decreasing the allergen amount in the house. Individuals with allergic reactions should take medications to alleviate the symptoms. Allergic immunotherapy can also be used to manage cockroach allergy.

To treat any type of allergy, first of all it is necessary to identify the allergen. Tests should be performed if a person shows any manifestations of cockroach allergy. As a matter of fact, there are various home treatments effective in controlling cockroach allergy. Prevention is also extremely important. Get rid of cockroaches in your house and reduce the risks of developing cockroach allergy.

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