Bedbugs

Overview

Bedbugs are small, reddish-brown blood-sucking, wingless insects. Bedbug bites usually clear up without treatment in a week or two. Bedbugs aren’t known to spread disease, but they can cause an allergic reaction or a severe skin reaction in some people.

Bedbugs are about the size of an apple seed. They hide in the cracks and crevices of beds, box springs, headboards, bed frames and other objects around a bed and come out at night to feed on their preferred host, humans. The risk of running into bedbugs is higher if you spend time in places where nighttime guests come and go often — such as hotels, hospitals or homeless shelters.

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If you have bedbugs in your home, professional extermination is recommended.

Symptoms

Symptoms of bedbug bites are similar to symptoms of other insect bites and rashes. Bedbug bites are usually:

• Inflamed spots, often with a darker spot in the middle
• Itchy
• Arranged in a rough line or in a cluster
• Located on the face, neck, arms and hands

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Some people have no reaction to bedbug bites, while others experience an allergic reaction that can include severe itching, blisters or hives.

When to see a doctor

If you experience allergic reactions or severe skin reactions to bedbug bites, see your health care provider for professional treatment.

Causes

Bedbug infestations may be linked to:

• More frequent travel
• Changes in pest control practices
• Insecticide resistance

Where do they hide?

Bedbug infestations usually occur around or near where people sleep. They can be found in:

• Clothing
• Luggage
• Bedding
• Boxes
• Box springs
• Mattresses
• Headboards
• Objects near beds

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They can also be found:

• Under peeling paint and loose wallpaper
• Under carpeting near baseboards
• In upholstered furniture seams
• Under light switch plates or electrical outlets

How do they spread?

Bedbugs can move from one site to another by traveling on items such as clothing, luggage, furniture, boxes and bedding.

Bedbugs can easily travel between floors and rooms in hotels or apartment buildings.

Sign of uncleanliness?

Bedbugs don’t care if their environment is clean or dirty. All they need is a warm host and plenty of hiding places.

Risk factors

You’re at risk of bites from bedbugs if you’re in places where people come and go often, such as apartment buildings, dorm rooms, homeless shelters, hotels, cruise ships, trains, buses and refugee camps.

Prevention

• Cover up. Bedbugs don’t tend to burrow under clothing. So you may be able to avoid bites by wearing pajamas that cover as much skin as possible.
• Inspect secondhand items. Look over used bedding, mattresses and upholstered furniture before bringing them into your home.
• Use hotel precautions. Check mattress seams for bedbug excrement and place your luggage on tables or dressers instead of on the floor.

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