Bed Bugs Bite

Bed bugs feed on blood as their only source of nutrition. In order to mature into adults, they must feed once during each of their immature stages. Adult females also need blood in order to produce eggs. Although bedbugs do bite humans, they are not known to transmit diseases to people.

Don’t let the bed bugs bite

Despite their role in an adorable bedtime proverb, bed bugs are pesky little pests. They sneak into your bed, your furniture, even your carpet, and while you sleep or watch TV, they bite you. The next morning, you’re left wondering why you’re red and itchy.

How to Identify the Bites

Blood spots found on one’s sheets, bites and the presence of bed bug feces and cast skins are some of the indications of a bed bug infestation. Bites are commonly found on the parts of the body that are more likely to be exposed to bed bugs during sleep – the hands, neck, face, shoulders, legs and arms. While not always the case, bed bug bites are often grouped together in a small area and at times may occur in a line or a zigzag pattern. Bites normally look like small, flat or raised areas that may become inflamed, itchy, red or blistered. Bed bug bite reactions don’t always appear immediately after you’re bitten and may take a few days to begin causing symptoms. However, not everyone reacts to bed bug bites in the same manner.

What are bed bugs?

Bed bugs are small, flat, oval-shaped insects. They do not have wings and rely on humans to carry them from one place to the next. Bed bugs are a reddish-brown color and can be between 1 and 7 millimeters. They feed on blood from humans or animals, and they’re most active at night, feeding on their victims while they sleep.

The size of bed bug bites varies with a number of different factors. Bed bugs inject an anti-coagulant along with their saliva when they pierce the skin to take a blood meal. This anti-coagulant is mostly responsible for how a person reacts to the bite and determines the size of the bug’s bite. Since people will have various sensitivities to the bed bug’s bite, the size of the bite will vary, as well. Another factor that influences the size of a bed bug reaction is the number of times a person is bitten. Bite reactions of people bitten many times are also variable, and their response may be either more or less intense as the number of bites increases.

What do bed bug bites look like?

Some people will not experience a reaction to a bed bug bite at all. Those that do experience symptoms of a bite are likely to experience one or more of the following:

• a bite with a red, swollen area and a dark red center
• bites in a line or grouped together in a small area
• blisters or hives at the bite site

Bites can happen anywhere on the body. Most commonly they occur on areas of skin that are exposed while sleeping, such as the face, arms, legs, and hands.

Bed bugs pierce human skin with elongated beaks through which they extract blood. Bed bug bites are not initially painful and can go unnoticed for hours or days. This allows bed bugs to withdraw human blood for up to 10 minutes with each feeding. Bed bug bites occur most commonly on exposed skin, such as the upper body, neck, arms and shoulders.

What other bites resemble a bed bug bite?

Unless you know you have a bed bug infestation or that you slept in an infested bed, you may not know to consider bed bugs as a possible cause of your mysterious bites. If you react to their bites, they may become slightly swollen with an itchy, irritating red center. When this happens, they visually resemble mosquito or flea bites in their earliest stages. However, bed bug bites can appear in small groupings or in a straight line. Mosquito bites are more sporadic. Flea bites remain very small and are typically located on your legs or ankles.

Bite Symptoms

Some individuals who are bitten by bed bugs develop itching, red welts or swelling the day after being bitten. However, bites may not become obvious for several days or at all on some individuals. Many people do not react at all to the bite of a bed bug—many bites leave no mark and go completely unnoticed.

Unlike those of other insects, bed bug bites may sometimes appear in tight lines of multiple, small, red marks where multiple bed bugs have fed along an exposed area. Bed bug bites can cause itchiness. Initially, a victim may detect a slight burning sensation. The burning area then develops red bumps, known as papules or wheals (rash). In extreme cases, bites may swell dramatically or turn into blister-like skin inflammations.

If you develop a rash after being bitten by a bed bug, avoid scratching the affected area. If the rash persists or becomes infected, contact a medical professional immediately.

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