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What if you'd been treated for years for a condition, only to find out that you'd long ago been misdiagnosed?

That's what's happening to a sizable number of Americans who are taking allergy meds (to little effect) when in fact they have chronic rhinosinusitis (CRS), a new study contends.

"We have seen so many patients suffer for so long due to the confusion between allergies and CRS...

Stuffy, sneezing, miserable: folks plagued by chronic sinusitis know the feeling all too well.

Experts at University of Cincinnati Health say it's also an all-too-common affliction, affecting an estimated 14.6% of Americans.

What is chronic sinusitis?

The sinuses are air-filled spaces in the skull at the back of the face, and they rely on mucus to stay moist a...

Spring allergies bring to mind thoughts of stuffy noses and watery eyes.

But allergies actually affect many different and interconnected systems within a person's body, according to the American College of Allergy, Asthma and Immunology (ACAAI).

"Spring allergens such as pollen, mold spores and other airborne particles not only trigger nasal allergies, but also can have a profound e...

If you or someone close to you suffers from severe allergic reactions, you have probably heard there are new recommendations out that offer guidance on the diagnosis, management and treatment of anaphylaxis.

The latest guidelines come from Joint Task Force on Practice Parameters, a partnership between the

Fetal exposure to opioids may change a baby's immune system, triggering a rise in risks for eczema and asthma through early childhood, new research shows.

Children born to women who used opioids during pregnancy had much higher rates of eczema, as well as conditions such as "diaper rash," during infancy, Australian researchers report.

These children also went on to have significantl...

Allergic to peanuts? To cats? To pollen?

A new targeted therapy may have the potential to help a person ward off an allergic reaction prompted by the specific source of their allergy, Northwestern University researchers report.

The therapy uses nanoparticles to deactivate mast cells, which are the immune cells responsible for immediate allergic reactions.

In a mouse study, the...

Drugs already used by millions to lower cholesterol might someday have a new role: Relieving asthma and COPD.

That's the hope of a new line of research underway at the University of California, Davis.

A study funded by the U.S. National Institutes of Health is seeking to determine whether a "statin inhaler" might reduce the airway inflammation that makes breathing difficult for folk...

Folks with allergies might want to breathe a deep, sneeze-free sigh of relief when winter rolls around.

Unfortunately, the cold weather that puts pollen-producing trees and grass to sleep can also keep a person cooped up inside -- increasing their risk of indoor allergies.

Millions of people suffer from indoor allergies caused by dust mites, household pets, cockroaches and mold, the...

Chances are you know at least one person who's given up eating gluten. Maybe you've even given it up yourself. But who can really benefit from a gluten-free diet?

"Gluten is one of the main proteins found in wheat, barley and rye," said Dr. Joseph Levy, a pediatric gastroenterologist at Hassenfeld Children's Hospital at NYU Langone, in New York City. "It's actually a group of proteins and...

If you're one of the 50 million Americans with asthma or allergies, 2024 is another year to redouble efforts to manage them.

But how?

"It's not always easy to get allergies and asthma under control,"allergist Dr. Gailen Marshall, president of the American College of Allergy, Asthma and Immunology (...

Climate change-driven hurricanes, floods and superstorms are threatening to create a surge in mold growth in people's homes, sickening residents and robbing them of breath.

Local hospitals witness a nearly twofold increase in diagnoses related to mold exposure following a storm-related natural disaster, according to a study being presented Thursday at the annual meeting of the American Co...

While the hot, dry summer may have offered a break to people with some environmental allergies, that reprieve could be over.

Ragweed and mold are in the air this fall.

"This summer was good news for people who are sensitive to mold and pollen as there were little of those allergens in the air, but now that we're seeing more rain coming in after this drought, we're experiencing a big...

Some common medications -- including antidepressants, sleep aids and painkillers -- may dull the driving skills of seniors, a new study finds.

Many different medication classes have been linked to the risk of driving impairment, as anyone who has ever read the label warning "do not operate heavy machinery" might have guessed.

But the new study took a particularly rigorous approach t...

Some children who have a common form of eczema should also be tested for allergic reactions because they may have a second allergic-type eczema, a new study suggests.

While atopic dermatitis is common and usually develops by age 5, allergic contact dermatitis has similar symptoms and can be triggered by a range of substances. In general, eczema is a group of medical conditions causing in...

In a surprising move, the U.S. Food and Drug Administration (FDA) has opted not to approve a needle-free alternative to the EpiPen for emergency treatment of severe allergic reactions.

Approval of the Neffy nasal spray was widely anticipated. An FDA advisory panel voted to recommend approval of the drug for children and adults in May. While the FDA is not obligated to follow the advice of...

Babies who have more mature microbes in their gut are less likely to have allergy-related wheezing and asthma in early childhood, according to new research.

"Our studies on the Barwon Infant Study showed that a more mature infant gut microbiota at one year of age...

Heading back to school requires supplies and planning for all, but if you're a parent of a child with allergies or asthma then you have even more to consider.

"The start of a new school year is exciting for some, but for parents of children with allergies and asthma, their thoughts are probably on keeping their child free from triggers that can cause allergic reactions,"said allergist

As outdoor gatherings begin for the Fourth of July holiday, a leading asthma and allergy group is offering suggestions on how to avoid those seasonal symptoms.

"The Fourth of July is a great time to gather with friends and family and celebrate summer,"said Dr. Kathleen May, president of the Am...

If you're dreaming of the perfect summer vacation, one element certain to be excluded from that scenario would be an allergic reaction to a stinging insect.

Whether you're planning to travel within the United States or to a foreign locale, you'll need to take precautions against stinging insects, especially if you've had an allergic reaction to a sting in the past.

According to a r...