Small, dark spots on bed sheets, mattresses, or nearby furniture (often blood or droppings)
Rusty or reddish stains on sheets or mattress seams
Tiny pale skins (shed exoskeletons) near sleeping areas
Visible bed bugs (adults are small, flat, and brownish; nymphs are smaller and lighter)
Bed bug eggs or eggshells in seams, cracks, and crevices
Itchy bites on exposed skin, often in clusters or lines
Bites that appear after sleeping or spending time in infested areas
A sweet, musty odor in heavily infested rooms
Signs of bugs in mattress seams, box springs, headboards, bed frames, and nearby cracks
Live bugs or cast skins found during a close inspection with a flashlight
Use of a bed bug interceptor or monitoring device catching bugs near the bed
Confirmation from a professional inspection if signs are unclear or persistent