What are the side effects of bed bugs on humans?

Author: scraper  |  Last update: Friday, July 17, 2026

Bed bugs do not transmit infectious diseases, but their side effects include itchy, inflamed bites, allergic reactions (ranging from mild to severe), insomnia, anxiety, and secondary skin infections from scratching.

Can bed bugs be harmful to your health?

Yes, bed bugs can cause health issues, although they are not known to transmit infectious diseases. Their primary health impacts range from localized skin reactions and severe allergies to mental health distress and secondary infections.

What is the fastest way to heal bed bug bites?

To relieve bed bug bites fast, wash the affected area with soap and water. Apply an over-the-counter 1% hydrocortisone cream or calamine lotion, and take an oral antihistamine (like Benadryl or Zyrtec) to stop the itching. Avoid scratching, as this risks infection.

Can bed bugs make you physically sick?

Bed bugs are reddish-brown in color, are wingless, and range from 1mm to 7mm in size (roughly the size of Lincoln's head on a penny). They can live several months without a blood meal. Bed bugs are not known to spread diseases to people. However, they cause irritation, itching, and loss off sleep.

How long do bed bugs take to infest your house?

Key takeaways

A single pregnant bed bug can lead to a full infestation in just a couple of months. Bed bugs spread by hitchhiking on items like luggage, clothes, and furniture, not from direct person-to-person contact. They can live in tiny crevices and go months without a blood meal, making them tough to detect early.

Doctor explains BED BUGS - including SYMPTOMS, TREATMENT AND PREVENTION ( +PHOTOS!)

What kills bedbugs immediately?

Extreme heat is the only method that kills bed bugs and their eggs instantly. Bed bugs die immediately when exposed to temperatures above 122 ∘F (50 ∘C).

How long do bed bugs live on pillows?

Bed bugs will live for a year without feeding, so it is important to leave the mattress covers on for at least twelve months after it appears that the bed bugs have stopped biting. Wash all bedding and clothing bagged in Step 1 in hot water and place in the dryer for 20 minutes to kill bed bugs.

Does showering remove bed bugs from your body?

Yes, a standard shower with soap and water will effectively wash any live bed bugs off your skin and hair, and down the drain.

What kills bed bugs 100%?

The only methods that guarantee a 100% kill rate for both bed bugs and their eggs are extreme heat and professional multi-step pest control treatments.

Can bed bugs live in your hair on your head?

No, bed bugs cannot live in your hair on your head. They lack the specialized claws that insects like lice or ticks use to grip hair shafts. Bed bugs are also not parasitic and prefer to hide in static, dark crevices—like mattress seams and furniture.

What part of the body do bedbugs bite the most?

Bed bugs bite wherever skin is exposed while you sleep. The most common areas are the face, neck, hands, arms, shoulders, and legs. Because they rarely bite through fabric, covered areas are usually spared unless your pajamas are loose enough for them to crawl underneath.

Can bed bugs live on clothes?

Yes, bed bugs can live on and hide in clothes. While they don't live on your body like lice, they will tuck themselves into fabric folds, seams, and cuffs, making clothing a common way for these pests to travel into your home or spread between rooms.

Are 3 bites in a row always bed bugs?

But there are a few ways to tell the difference. Pattern: Bed bug bites may appear in a linear pattern, as a series of multiple bites in a row or a zigzag. Flea bites often show up in clusters of three (sometimes also in a straight line).

Can bed bugs live in a vacuum cleaner?

Yes, bed bugs can easily survive inside a vacuum cleaner. Because they are flat, resilient, and can go for months without food, they can remain alive in the hose, bag, or canister. Vacuuming is a great way to clean up bugs, but you must empty it correctly to prevent them from escaping and spreading.

Can you have bed bugs for 2 years and not know it?

Yes, it is possible to have a low-level bed bug infestation for an extended period—potentially 1–2 years—without realizing it. While uncommon, this usually occurs because the occupants do not react to bites, the infestation remains small, or they mistake signs for other pests.

Can bed bugs go in your private parts?

No, bed bugs cannot go inside your private parts. They do not live on the human body or burrow into the skin like some other parasites. However, they can and will bite exposed skin in the groin and genital area while you are sleeping.

What can I spray on my mattress for bed bugs?

You can use professional aerosol insecticides like Bedlam Plus Aerosol or Hot Shot Bed Bug Killer. Always target the mattress seams, folds, and tufts where bugs hide, and avoid spraying the flat areas directly where you sleep.

What do exterminators use to get rid of bedbugs?

Exterminators use a combination of methods—such as heat treatments, professional-grade chemical insecticides, and desiccant dusts—to fully eliminate bed bugs. Rather than relying on a single product, they use a strategic approach targeting all life stages (eggs, nymphs, and adults) to bypass the bugs' natural defenses.

What is the root cause of bed bugs?

The root cause of bed bugs is hitchhiking, not poor hygiene. Infestations begin when a fertile female or eggs are unknowingly transported into a home on personal belongings or furniture. They are not drawn to dirt, but to the carbon dioxide, body heat, and blood of human hosts.

Do bed bugs live on pillows?

There is nothing more that these pesky insects enjoy than nesting themselves in your bedsheets, duvet and pillows. That is why it's vital to clean these bedding essentials regularly. When it comes to your bedding items, ideally you should wash and dry them on high heat if you have a bed bug infestation.

Can bed bugs survive in the washing machine?

Yes, bed bugs and their eggs can technically survive a standard wash cycle. While the water and detergent will kill some bugs, the heat is usually not sustained or high enough to guarantee 100% elimination. The actual extermination relies on the high heat of your clothes dryer.

What brings bedbugs out of hiding?

Bed bugs are driven out of hiding primarily by carbon dioxide from human breath and body heat. As they detect these biological cues, they emerge from their harborages—typically cracks, crevices, and mattress seams—to seek a host and feed.

Can bed bugs live in comforters?

Yes, bed bugs absolutely can live in comforters. Because these pests seek out places to hide close to where their human hosts sleep, the deep folds, thick batting, and seams of comforters make an ideal home.

How to locate a bed bug nest?

Bed bugs do not build traditional nests; instead, they form clustered groups called harborages in dark, tight spaces close to where you sleep. To locate them, grab a bright flashlight and a flat-edge tool (like an old credit card) to thoroughly check these primary areas.

Should I throw out my pillows after bed bugs?

No, you do not need to throw away your pillows. You can safely kill any bed bugs and their eggs by running the pillows through a hot dryer for at least 30 minutes.

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