Even after bedbugs are eradicated, their waste lingers

Bedbug poop contains high levels of the allergy-triggering chemical histamine

Bedbugs (Cimex lectularius)

BAD BLOOD  Bedbugs (Cimex lectularius) are a menacing bunch. Even when the bloodthirsty insects are eradicated from a home, they leave allergy-triggering chemicals behind.

Courtesy of Matt Bertone/NC State Univ.

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