What Are the Health Risks of Cockroaches?

Cockroaches are more than a nuisance—they pose serious health risks to your household. Understanding these dangers underscores why prompt professional treatment is essential.

1. Allergies and Asthma: Cockroach droppings, shed skins, and saliva contain allergens that can trigger allergic reactions and asthma attacks. This is especially dangerous for children, the elderly, and people with respiratory conditions. Cockroach allergens are a leading cause of asthma in urban areas.

2. Disease Transmission: Cockroaches crawl through garbage, sewage, and decaying matter, picking up bacteria like Salmonella, E. coli, and Staphylococcus. They then contaminate food, utensils, and surfaces, potentially causing food poisoning and other illnesses.

3. Food Contamination: Roaches leave droppings, bacteria, and regurgitated material on food and food preparation areas. This can lead to gastrointestinal illness.

4. Skin Irritation and Bites: In heavy infestations, cockroaches may bite exposed skin, especially around fingernails, causing irritation and possible infection.

For help determining whether you have a problem, see signs of cockroaches. For the DIY approach vs. hiring a pro, see DIY vs. professional. To eliminate the problem and reduce health risks, hire a professional—see how to choose a licensed exterminator. And to prevent recurrence, see prevention tips. For treatment details, see what to expect during cockroach service.

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