Insects typically inject formic acid through their bite. This can lead to blisters, inflammation, pain, itching, and irritation. The reaction depends on the type of insect and the person’s ...

Learn More › A: Bug bites and rashes of any kind are no fun, and sometimes they’re even harmful to your health if you end up ...

Getting a tick bite doesn't automatically spell medical emergency, but it is important to know what to do next.

How can you tell if a bite or sting is serious? According to Pramod Kelkar, MD, an allergist and immunologist in Maple Grove, Minn., reactions to insect bites fall into three categories ...

Bed bug bites Bed bugs are small insects that commonly ... Appearance: A horsefly bite will become red and raised, and can cause reactions like swelling or pus-filled blisters.

While everyone’s immune system causes different reactions to bug bites, certain insects will leave signature marks or reactions behind that can help identify what attacked you. Keep in mind that ...

Bug bites can often cause a lot of itching ... an emergency condition caused by a severe allergic reaction. Anaphylaxis is a severe reaction to a trigger, such as an allergy, and is potentially ...

Learn more about when to contact a doctor for an infected bug bite. Anaphylaxis is a severe reaction to a trigger, such as an allergy, and is potentially life threatening. Check to see whether ...

and allergic reactions to insect bites. Lyme disease is a bacterial infection that can spread to humans if a tick carrying the bacteria bites a person. Borrelia burgdorferi bacteria are the main ...