Bed bugs are small, hide well, and are often noticed by their evidence before the bugs themselves are seen. Catching the signs early makes it easier to describe the problem and discuss next steps. The signs can show up on bedding, mattresses, furniture, and the areas around where people sleep or sit for long periods.
This guide explains the common signs of bed bugs and where to look. If you think you may have bed bugs, note what you are seeing and where — that context helps a pest control company discuss appropriate service.
Call or request help online.
Calling is usually fastest for urgent pest issues. The form is there if you prefer a callback.
Bites that appear overnight
Bed bug bites are often noticed in the morning, sometimes in small lines or clusters on skin exposed during sleep. Reactions vary from person to person, and some people do not react much at all, so bites alone are not proof.
Because bites can resemble other irritations, it helps to look for physical evidence on the bed and furniture rather than relying on bites by themselves.
Blood spots and rust-colored stains
Small blood smears on sheets or pillowcases can appear after bed bugs feed. You may also see tiny rust- or brown-colored spots on bedding, mattress seams, or nearby surfaces, which are bed bug droppings.
Check the sheets, mattress edges, and the seam where the mattress meets the box spring. These stains often collect along seams, tufts, and folds.
Shed skins, eggs, and casings
As bed bugs grow, they shed their skins, leaving pale, empty casings behind. You may also find very small, pale eggs in cracks and seams. Finding skins or eggs is a strong sign of an active or growing problem.
Look closely in seams, along piping on the mattress, and in the joints of bed frames and headboards, where these are commonly found.
Live bugs in seams and crevices
Adult bed bugs are flat, reddish-brown, and about the size of an apple seed. They tend to hide in tight spaces during the day — mattress seams, box spring corners, headboard cracks, and where furniture meets the wall.
Use a flashlight and check the tight, dark spots near where you sleep. Seeing live bugs in these areas is a clear sign you should arrange an inspection.
A musty odor in heavier cases
Larger bed bug problems can produce a faint, musty smell in the affected room. This sign is less reliable than physical evidence, but combined with stains, skins, or live bugs, it can add to the picture.
Odor alone is not enough to confirm bed bugs, so look for the physical signs above before drawing a conclusion.
Where to check first
Start with the bed: sheets, mattress seams, the box spring, and the frame. Then check the headboard, nearby nightstands, and seams of upholstered furniture and chairs used often. In apartments and shared-wall housing, mention that when requesting help, since activity can move between units.
If you find evidence, avoid moving infested items through the home, which can spread the problem. Note what you found and where so a company can discuss preparation and service.