A usually harmless childhood virus may hide in the lungs and come back to cause wheezing and other symptoms of asthma, U.S. researchers reported on Tuesday.

Asthmatic children should always have an emergency plan with them containing instructions on what to do if they have an asthma attack, according to the Heidenheim-based German Pneumologists Association (BdP).

Patients with an allergy to metal, often first revealed when wearing certain jewelry, are also at risk for reactions to implanted medical devices made of metal, such as pacemakers and orthopedic prostheses.

Active people who are prone to sweating may have some built-in protection from exercise-induced asthma attacks, a new study suggests.

With careful monitoring, even children who have had allergic reactions to a vaccine can still be vaccinated, a U.S. team of experts said on Tuesday.

Children with the allergic skin condition eczema are at increased risk of developing asthma well into adulthood, according to a decades-long study.

Delaying the introduction of cow’s milk may increase, rather than decrease, the risk that a child will develop allergies in the first 2 years of life, researchers from the Netherlands report.

Women who eat a Mediterranean diet while pregnant could help stave off asthma and allergies in their children, a new study suggests.

German researchers say they have found some of the strongest evidence yet linking traffic pollution to childhood allergies.

Americans spent US$11 billion on doctors’ bills, prescription drugs and other treatments for allergies in 2005, according to government statistics released on Wednesday.