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How to Know If You Have Bed Bugs (And What to Do Immediately)

Joe Lavoie
Joe Lavoie
January 13, 2026
How to Know If You Have Bed Bugs (And What to Do Immediately)

The Tell-Tale Signs You Can't Ignore

Waking up with itchy bites is often the first alarm bell, but bed bugs leave behind more clues than just welts on your skin. These nocturnal pests are masters at hiding, but they're not invisible. Knowing what to look for can help you catch an infestation early, before it spreads throughout your home and becomes a much bigger problem.

Check Your Body: The Bite Pattern Mystery

Bed bug bites typically appear as small, red, itchy welts that show up in clusters or lines on exposed skin. You'll usually find them on your arms, legs, neck, or face, areas that are uncovered while you sleep. Unlike mosquito bites that appear randomly, bed bugs often bite in a pattern sometimes called 'breakfast, lunch, and dinner.' However, here's the tricky part: about 30% of people don't react to bed bug bites at all, so the absence of bites doesn't mean you're in the clear.

Inspect Your Bed: Where the Bugs Actually Hide

Your mattress and box spring are prime real estate for bed bugs. Strip your bed completely and examine the seams, tags, and piping of your mattress carefully. Look for live bugs (about the size of an apple seed), tiny white eggs, shed skins that look like empty shells, and dark spots that are actually bed bug feces. Don't forget to check your bed frame, headboard, and the area where the wall meets the bed. Bed bugs love tight spaces, so use a flashlight and a credit card to check cracks and crevices.

Look Beyond the Bed: Their Secret Hideouts

While they're called bed bugs, these pests don't limit themselves to mattresses. Check nearby furniture like nightstands and dressers, especially in drawer joints and behind drawers. Examine electrical outlets, baseboards, picture frames, and even loose wallpaper. If you have upholstered furniture in your bedroom, inspect the seams and underneath cushions. Bed bugs can squeeze into spaces as thin as a credit card, so no hiding spot is too small.

The Smell Test: What Bed Bugs Leave Behind

In heavy infestations, bed bugs produce a distinctive musty, sweet odor that's often compared to coriander or almonds. This smell comes from the pheromones they release. If you notice an unusual sweet or musty scent in your bedroom that you can't explain, it could be a sign of a significant bed bug problem. However, mild infestations usually don't produce a noticeable smell.

What to Do Right Now If You Find Them

First, don't panic and don't start throwing things away immediately. Avoid moving items from the infested room to other parts of your home, as this can spread the bugs. Don't sleep in another room either—bed bugs will follow their food source, potentially spreading the infestation. Instead, contain the problem by keeping infested items in sealed plastic bags. Wash and dry all bedding, clothes, and fabric items on high heat for at least 30 minutes. Most importantly, contact a licensed pest control professional immediately. Bed bugs are notoriously difficult to eliminate without professional treatment, and the sooner you act, the easier and less expensive the treatment will be.

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