Bed bug bite, as an important health and urban pest

Bed bug (Cimex lectularius) is an nocturnal insect that feeding on human blood at all stages of them life, and known as a human ectoparasite. Bed bug is usually feeding from the face, neck, arms, arms, shoulders, legs, and especially parts of the body that are bare during sleep. Persons reaction differently to bed bug bites and may experience minor itching to severe allergies. Symptoms usually appear after 1 to 24 hours and usually include small red cluster papules less than 5 mm in diameter and at a short distance from each other, with severe inflammation and itching. In general, the most important characteristic of those three points is a linear or curve sequence on the body, which is called “breakfast, lunch and dinner” pattern. There are numerous reports of house infestation and the bite of this blood-feeding insect on the body of persons in the country annually, and in initial the majority of the public is unable to correctly identify the symptoms of bed bug bites. So, this article by presenting the key points can be guide for identifying the bite symptoms of this allergenic insect, by doctors and specialists, especially dermatologists, for the timely treatment of the patient.