Pests That Trigger Allergy Symptoms

With the temperatures getting warmer and flowers starting to bloom, many people will start to experience the symptoms of seasonal allergies. But what if pollen isn’t the only cause of your sinus problems? Many people don’t know that common household pests such as cockroaches and rodents can also trigger allergy symptoms.

With May being National Asthma and Allergy Awareness Month, we at United Pest Solutions are sharing the pests that can cause allergies and what you can do to help prevent an infestation.


Everyone knows cockroaches are disgusting and can spread diseases and bacteria, but few know they can trigger allergy symptoms. Cockroach droppings, shedded skin, saliva, and other body parts from cockroaches contain proteins that can cause allergic reactions and worsen asthma symptoms, especially in older adults and children. Symptoms may include congestion, coughing, ear infections, and rashes.


Like cockroaches, mice and rats are also known to be nasty critters. They can spread diseases and viruses, including salmonellosis, hantavirus, and rat-bite fever. Rodents can also trigger allergy and asthma symptoms through their saliva, skin, urine, and dander–which can get into the air as these pests scurry around.

Top Pest Prevention Tips

Exposure to cockroaches and rodents can be dangerous. But because both of these pests are nocturnal, most homeowners don’t even know they have an infestation. We recommend the following tips for protecting your home against pests that trigger allergy and asthma symptoms.

  • Seal cracks and crevices around your home, paying attention to areas where utilities and pipes enter
  • Seal holes in screen doors and windows
  • Store food in airtight containers
  • Regularly throw out trash
  • Clean up crumbs and spills immediately
  • Eliminate areas of standing water

Are Pests Causing Your Allergies?

If you’re concerned about pest-related allergies in your Bellevue area home, turn to United Pest Solutions to schedule an inspection from our experienced pest control team. We’ve been serving the greater Bellevue area for more than 60 years. We treat pest problems and help prevent them from returning using safe and environmentally-friendly solutions.

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