Bedbugs | American Academy of Dermatology

Bedbug bites: When bedbugs bite, you often see clusters of bites. Each cluster usually contains 3 to 5 bites that appear in a zigzag pattern. How do you know if you have bedbugs?

To find out if you have bedbugs, you need to look for two things:

Bites on your body: If you have bedbugs, youre likely to have bites. Bedbug bites usually cause itchy welts. These welts usually appear in a zigzag pattern as show in the photo above.

Youll seldom see bedbugs, so many people mistakenly believe that mosquitos, fleas, or spiders bit them. Sometimes people mistake bedbug bites for a common skin condition such as an itchy rash, hives, or chickenpox.

To make sure you have bedbugs, youll need to look for signs of bedbugs.

Although bedbugs dont usually require serious medical attention, they can cause a great deal of anxiety and restless nights. To help find bedbugs before they find you (and your belongings), dermatologists recommend looking for the following signs near places where you sleep.

Signs of bedbugs: This step is important. If you have a bedbug infestation, you need to find out so that you can get rid of the bedbugs. Getting rid of the bedbugs is the only way to stop the bites.

If you have a large number of bedbugs, you may see the bugs. Most people, however, only see signs of bedbugs. To look for signs of bedbugs, check the places that people sleep for the following:

If you see bedbugs, they will likely scurry toward the closest hiding place. Any dark place such as inside a mattress or even a picture frame makes a good hiding place.

As you watch bedbugs move, it can look like they are flying or jumping because they can crawl quickly. Bedbugs cannot fly or jump; they can only crawl.

If you find signs of bedbugs, call a pest-control company or your property manager. You should not use bug spray or a fogger. These products have little effect on bedbugs.

You should see a dermatologist for treatment if you have:

Your dermatologist may prescribe the following to treat bedbug bites:

Allergic reaction: Some people may require an injection of an antihistamine, corticosteroid, or epinephrine (adrenaline) for a severe allergic reaction.

Infection: An infection may require an antibiotic. If the infection is mild, your dermatologist may recommend an antiseptic medication that you can buy without a prescription. Your dermatologist will tell you which one to use. Your dermatologist also may recommend an antiseptic to prevent a skin infection.

Itch: A prescription antihistamine pill or liquid can help. You also can apply a corticosteroid to the bites. Your dermatologist will tell you which is best for you.

If you do not have any signs of an infection or a serious reaction, you can often treat the bites at home.

To treat bedbug bites:

Bedbug bites usually heal and go away within a week or two.

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Bedbugs | American Academy of Dermatology