While some people with chronic hives will never know why they're affected, seeing an allergist is the best way to find a treatment.

Learn more about how an allergist can identify triggers and find the right treatment to better manage this challenging condition.

Can certain foods trigger a chronic hive flare-up? Can a low-histamine diet relieve symptoms? Studies render different results. Here's a succinct summary of the research.

Kids with allergies have a lower risk for complicated appendicitis, which sometimes requires multiple surgeries and longer hospital stays, according to a study.

An allergic reaction to alpha-gal, a complex sugar found in red meat, caused by a Lone Star tick bite is now the most common known cause of anaphylaxis.

People who are allergic to penicillin are often prescribed much stronger antibiotics, increasing antibiotic resistance and their risk for serious drug-resistant infections, but fewer than 1 percent of people believed to be allergic to penicillin are tested.

Research suggests that such red meat allergies, sometimes caused by a tick bite, increase plaque buildup in arteries and can increase the risk for heart disease.

Researchers at King’s College London in England have developed a new blood test to diagnose peanut allergies that may be safer, more accurate, and less expensive than existing tests.

Here are the best and worst places to live with spring allergies based on pollen counts, medication needs, and number of allergy specialists.

If you are hypothyroid, it’s important to be aware of this specialized form of levothyroxine as a treatment option.