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dust mite allergy
women holding tissue to face about to sneeze in front of white couch

Allergens

Indoor Allergies

A Quick Guide

Indoor Allergies

Millions of people suffer year-round from allergy symptoms caused by indoor allergens. These culprits include dust mite droppings, animal dander, cockroach droppings, and molds.

Your immune system controls how your body defends itself. For instance, if you have an allergy to dust mites, your immune system identifies dust mites as an invader or allergens. As a result, your immune system overreacts by producing allergic antibodies called Immunoglobulin E (IgE). These antibodies travel to cells that release chemicals, causing an allergic reaction. This reaction usually causes symptoms such as sneezing, stuffiness, a runny nose, or itchiness in your nose, the roof of your mouth, throat, eyes, or ears.

dust mite in carpet with close up showing dust mite
picture showing what a dust mite looks like close up

Dust mites

Dust mites (Der p 1 and Der f 1) are small, spider-like creatures that live in soft surfaces. They are too small to be seen with the naked eye. They thrive in warm, humid environments. Dust mites live in mattresses, bedding, upholstered furniture, and carpets. Since they like warm, moist spots, it's no wonder Antarctica is the only place they don't exist! Their food source is the dead skin cells that people and animals shed. In addition, the feces and body parts of dust mites contain a potent allergen that can cause problems for people who are sensitive to it.

Dust mite allergies are among the most common types of allergies, affecting millions worldwide. In addition, they are the most common cause of year-round allergies and asthma. Pro tip: Dust mites do not bite humans.

fluffy dog sitting on white bed

Pets

Pet dander (Can f 1 and & Fel d 1) is a fine, often microscopic, particle that is shed from the body of a pet. It is an allergen/protien. Pet saliva and urine are also a allergen. Pro tip: Pet hair by itself is not an allergen, but it can collect allergens.

Pet allergens are extremely small - so small that it can easily become airborne and inhaled. The average size of a pet dander particle is just 2.5 microns, which is about one-tenth the diameter of a human hair.

Because pet allergens are so tiny, it can easily pass through HVAC filters, or air purifiers and into your lungs.

Once they become airborne, pet allergen particles can remain afloat for hours, making them a common trigger for indoor allergies. This can trigger asthma attacks and other respiratory problems. What's more, pet allergens are extremely light and can easily be carried on clothes or shoes, which means it can spread quickly from one room to another. Indeed, your home can contain pet allergens even if you don't own a pet.

cockroach allergy

Cockroach

Cockroach (bla g 2) allergen is a protein that is found in cockroach droppings, saliva, and body parts. When these proteins become airborne, they can trigger an allergic reaction in people who are sensitised to them. Symptoms of a cockroach allergen reaction include sneezing, runny nose, watery eyes, and itching. In severe cases, cockroach allergen can cause asthma attacks and other respiratory problems.

indoor allergies symptoms
indoor allergies symptoms

How the body reacts to an allergen

Allergies are a complex immune response in which the body senses an otherwise harmless substance as a threat. When an allergen is encountered, the immune system responds by releasing histamines and other chemicals into the bloodstream, causing symptoms such as sneezing, wheezing, or hives. These reactions are intended to help eliminate the perceived threat from the body, but they can also cause serious health problems and discomfort for those who suffer from allergies. Ultimately, understanding how allergies work is critical for anyone who wants to live a healthy and comfortable life despite their allergic sensitivities.

Your mucous membranes and allergens

Mucous membranes are found throughout the body, lining various cavities and covering surfaces that come into contact with the external environment. One of their primary functions is to act as a barrier against harmful substances, such as bacteria and viruses. However, mucous membranes can also become irritated or inflamed in response to allergens, or pet allergens. When this happens, mucous membranes produce excess mucus in an attempt to flush out the allergen. This can lead to symptoms such as runny nose, watery eyes, and sneezing. In severe cases, mucous membrane inflammation can cause difficulty breathing.

What about high concentrations of allergens

Side effects of concentrated amounts of indoor allergens can be serious and should not be taken lightly. Exposure to high concentrations of indoor allergens, such as dander, may lead to a variety of adverse reactions in some individuals. In some cases, prolonged exposure to indoor allergens may even contribute to the development of chronic health conditions such as asthma. In severe cases, an animal allergy can even trigger anaphylaxis, a potentially life-threatening reaction. Therefore, it is important for people with sensitivities to these substances to take steps to minimize their exposure whenever possible.

allergy treatment

What can you do to help prevent an allergy attack?

First, it's important to see an allergist/immunologist. They will help you narrow down what you are allergic to and how best to treat your symptoms. Here are some steps you can take to help reduce an attack.

Pet allergies:

1. Try not to hug or kiss your pet (I know, it's nearly impossible)

2. Invest in a good HEPA air filter or air purifier

3. Keep pets out of the bedroom; remember allergens are sticky proteins, and they will stick to your bedding, clothes, furniture, etc

4. Get a micro-filter for your vacuum. You would be surprised at how many allergens leak back into the air from vacuuming. Pro tip: Use the Allergen Spray in the air after vacuuming

5. Use an Allergen Spray throughout your house in the air and on surfaces.

Dust mites allergies

1. Change your bedding often. Always wash your bedding in hot water (130 degrees) with soap. 

2. Invest in a good HEPA air filter or air purifier 

3. Buy a good set of allergy-proof sheets and pillowcases.

4. On items you can't wash, use an Allergen Spray.

Cockroach allergy

1. Avoid leaving pet food out

2. Clean often. Use the Allergen Spray after cleaning

3. Fix any leaks

4. Use bait if needed. Do not use a spray.

Frequently asked questions

Are dust mites in every home? You can find detectible levels of dust mites in just about every home.

Do dust mites bite? No, they do not bite humans.

What if I wash my bedding in cold water? We recommend washing all items in hot water around 135-140 degrees.

Do allergens affect indoor air quality? Yes!

Do dust mites trigger an asthma attack? If you have asthma and a dust mite allergy, you should take precautions. Additionally, dust mites can cause indoor air quality issues for those who have asthma but do not have a dust mite allergy.

What options are available besides shots and medication? There are several options, including immunotherapy and allergen sprays, but it is best to talk with your doctor about your particular allergy and course of treatment.

How can I find an effective allergen spray? Look for lab-verified allergen sprays, preferably third-party verified. This means an outside party has tested the product and confirmed that it works to reduce allergens. Also, look for one that doesn't contain harsh chemicals or scents that could add to your allergy burden. Finally, choose one that discloses their ingredients.

Glossary of dust mite terms

Allergens: An allergen is any substance that can trigger a negative reaction in someone who is allergic.

Allergic Reaction: When your body comes into contact with something you're allergic to, it can cause an allergic reaction. Symptoms of an allergic reaction can range from mild (a rash or itch) to severe (trouble breathing). In some cases, an allergic reaction can even be life-threatening. 

Allergen Spray: A spray that can help control pet allergens in your home.

Dust mites: Dust mites are small, spider-like creatures that live in soft surfaces.

Pet dander: Pet dander is a fine, often microscopic, particle that is shed from the body of a pet.

Disclaimer: Always talk to your doctor before starting or stopping any medications.

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