Bed bug bites: How to identify them, get relief, and prevent future …

Bed bugs are a nuisance that can cause itchy, uncomfortable bites. Bed bug infestations can be tricky to identify and difficult to eliminate.

Bed bugs are small, parasitic insects that need human or animal blood to survive. They ingest this blood when they bite. Though they do not transmit disease, their bites can be irritating. Bed bugs are found all over the world and are difficult to control.

Even if you have a bed bug infestation, you may not see many bed bugs because the pests are primarily nocturnal, coming out to feed during the night. In addition, their small size allows them to hide in hard-to-reach places such as seams of mattresses or inside cracks or crevices.

Bed bugs look different depending on their life stage:

A bed bug bite may appear red and slightly swollen. The bite marks may be random, appear in a straight line, or in a zigzag pattern. Bite marks often appear in clusters of three to five bites. Bed bug bites may be mistaken for mosquito, flea, or spider bites, or for a rash or hives.

Most people do not immediately realize they have been bitten by bed bugs because the insects inject an anesthetic and an anticoagulant (a substance that prevents blood from clotting), which make it harder to detect the bite. In some cases, it can take up to 14 days after the initial bite for a bite mark to appear.

Some people never show bite marks or may develop just a small bite mark. Others may experience bites that are itchy, irritating, red, and swollen. Some people have an allergic reaction to bed bug bites, developing large, painful, swollen bite marks. On very rare occasions, an allergic reaction to bed bug bites can cause anaphylaxis.

Bed bug bites may also cause insomnia, anxiety, and skin infections caused by excessive scratching.

Bed bug bites are not dangerous and usually heal on their own within a week or two. Excessive scratching, however, can lead to infection at the site of the bite. It's best to avoid scratching the bites to reduce the risk of infection.

The American Academy of Dermatology (AAD) recommends the following measures to manage uncomfortable bed bug bites.

You should see your doctor if you have many bites, blisters, an allergic reaction, or signs of a skin infection (redness, puss, oozing).

The best way to prevent bed bug bites is to avoid bed bugs in the first place. Bed bugs have a tendency to move with us and our possessions. Because bed bugs need human or animal blood to survive, they prefer to live close to their host, near nests (or beds, in the case of humans).

Expert hitchhikers, bed bugs can infest new locations by hiding in luggage, clothing, or other items that people carry with them. They can move from room to room (or apartment to apartment) through floors, door gaps, electrical outlets, or through furniture, books, or clothing.

Bed bugs can also be transported into your home with secondhand furniture or household items. Always inspect these items closely before bringing them inside your home.

Traveling is another means for bringing bed bugs into your home. Be aware of the signs of a bed bug infestation when you travel so you don't unknowingly bring the pests home with you. The National Pest Management Association (NPMA) recommends these tips:

When traveling:

At home:

If you suspect a bed bug infestation, look for the following evidence:

If you have a bed bug infestation, contact a qualified pest control professional. Also known as a bed bug exterminator, this type of expert can inspect your home for bed bugs and eliminate them.

If you choose to handle a bed bug infestation on your own, there are more than 300 products approved by the Environmental Protection Agency (EPA) that can be used by consumers to control bed bugs. You can use the EPA's Bed Bug Product Search tool to find the best pesticide for your needs.

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Bed bug bites: How to identify them, get relief, and prevent future ...