Provides information about bedbug infestation - including prevention, detection and cleanup. Bedbug bites are a nuisance and annoying, but bedbugs are not known to spread diseases. Try not to scratch bites because it increases the risk of skin infections. If there is a severe reaction to a bed bug bite, see a doctor. Look for signs of an infestation that may include: - Itchy skin welts - Small blood smears on bedding from crushed insects - Tiny dark spots on sheets, mattress or box spring which are their fecal droppings - Dried remains of shed bed bug skins