They feed for about 3 to 15 minutes, sucking on the blood from the human flesh. They can bite almost anywhere on the body, that is, on the arms, legs, torso, neck, and face. However, their bites do not transmit any disease. The only complication that can arise is in the case where the person is sensitive to the bite. The saliva of the bed bug may cause an allergic reaction in the person's body.