Most bedbug bites will produce some degree of discomfort, typically itchiness and inflammation. Other signs and symptoms of bedbug bites include:
a burning, painful sensationa raised, itchy bump with a clear centera red or purplish itchy bump with a dark center and lighter swollen surrounding areasmall red bumps or welts in a zigzag pattern or a line, often in a pattern of threesmall red bumps surrounded by blisters or hivespapular eruptions or areas of skin with raised or flat patches that may be inflamedsmall spots of blood from bites often dried or stained onto sheets or bed clothingreddish or reddish-brown dried stains on fabrics due to bedbug droppingswhite or clear skins, shed by the nymphs as they matureItchy welts can occur within a few days of a bite but may take up to 14 days. People may become increasingly sensitive to bedbug bites and develop a reaction quicker the more bites they get, sometimes within seconds. Without further irritation, symptoms typically resolve after a week.
While fairly rare, some people develop severe reactions and symptoms from bedbug bites. Serious symptoms that require medical attention include:
difficulty breathingblistersfeverfeeling nauseous or flu-likeswollen tongueirregular heartbeat»Learn more:Identifying bedbug and flea bites