Swelling, redness, itching, sometimes even fever. What to know about the severe allergic reaction from mosquito bites called ...

Even jellyfish washed up on shore can sting, sometimes for days. If stung, rinse the area with seawater (not fresh water), or ...

What does a hereditary angioedema (HAE) attack look like? An HAE attack can cause swelling of body parts such as the extremities and a red rash that may look like hives.

The number of adults with life-threatening food allergies is on the rise. When researchers at Northwestern University’s ...

Hurricane season's severe weather of winds and rain can cause an allergy or asthma to flare up. Dr. Murphy with Charleston ...