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Home > Blog > Do Cockroaches Trigger Asthma and Allergies in Lewisville Homes?

Do Cockroaches Trigger Asthma and Allergies in Lewisville Homes?

Mar 18, 2022

Cockroaches enter homes in Lewisville to find food, water, and shelter. In the Lewisville area, several cockroach species, like German cockroaches and American cockroaches, find their way into homes, and once they arrive, they only cause problems. Keep reading to learn how cockroaches trigger asthma and allergies. 

How Do Cockroaches Get Into Homes?

Cockroaches enter homes when they find warmth, moisture, and a dark place for nesting. They crawl into homes through small crevices, especially around utility pipes, gaps in window and door frames, and cracks in foundations. Cockroaches crawl through sewage, garbage bins, compost, feces, and dead carcasses and can spread diseases easily. Between 78% and 98% of homes in the US have cockroaches.

Why Are Cockroaches an Indoor Air Problem?

group of cockroaches

When cockroaches enter your home, they can damage your property and spread disease. Unfortunately, many homeowners don’t realize they have cockroaches until they’ve infested and laid eggs. 

Cockroaches produce allergens from their droppings and body parts. After a substantial number of cockroaches have died or have left their droppings, they can aggravate asthma and allergies, especially in children. The body parts and droppings can get into your HVAC system and vents, spreading the problem throughout your home. The National Pest Management Association reports that 63% of homes in the US have cockroach allergens.

How Do Cockroaches Affect Health?

Cockroaches are linked to the carrying and transmission of 33 forms of bacteria, seven dangerous human pathogens, and six parasitic worms. When they enter your home, they set up their nests in dark, moist places. As roaches tend to nest under appliances, in cabinets, or basements, they can hide and shed more allergens. 

When cockroaches live in kitchens and bathrooms, their diseases easily spread to humans who spend time in these busy areas. The levels of cockroach allergens vary, but just a small cockroach allergen exposure can be enough to trigger asthma attacks and allergic reactions. 

How Can Cockroach Allergens Be Avoided?

cockroaches climbing around window

Cockroach allergens can be avoided by keeping them out of your home. Roaches enter homes to find food and water, and you can prevent this by keeping your home clean. 

Use a caulking gun with liquid cement to seal gaps, cracks, and other small entrances to keep roaches out of your home. Check your weather stripping, window and door screens, and door sweeps to keep roaches from squeezing into tight spaces. 

It’s also helpful to use dehumidifiers and fix plumbing leaks to avoid moisture build-up in your home. Placing cockroach baits in areas with high cockroach allergen exposure can help, too. 

Investing in dependable and professional pest control services is also one of the best moves you can make to prevent infestations.


The best way to prevent cockroaches from damaging your home and causing health problems is by keeping them out of your Lewisville home. This is especially important in homes where children with asthma and indoor allergens live. 

When you have persistent cockroaches, our pest control experts will help you get rid of them and seal any entry ports to prevent further infestation. For the most effective cockroach control and elimination, contact Romney Pest Control today!


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