Inhaled Corticosteroids Won't Prevent Kids' Asthma

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The information Guilbert presented focused on who responded most to the medications.

"There was a greater response to asthma medication in non-whites and in males. There was a better response in the somewhat older children and a better response in those with a parental history of asthma," said Morgan, who added that "when you use asthma medications, you can control the disease, but you can't cure it."

Pediatric asthma specialist Dr. Alan Khadavi, of New York University Medical Center, said the new findings won't "change my first-line asthma management. Inhaled corticosteroids may not prevent the development of asthma, but children with asthma still need it to decrease exacerbations."

But, another study presented at the same meeting found that inhaled corticosteroids don't help all children with asthma. Even when parents reported that their children consistently used inhaled corticosteroids, as many as one in five youngsters still didn't achieve good asthma control, this research found. The study included 914 children with mild to moderate asthma and compared those using inhaled corticosteroids on a regular basis to those who weren't prescribed an inhaled corticosteroid.

"It is possible that some children are genetically less responsive to steroids," the study's author, Dr. Gregory Sawicki, of Children's Hospital Boston, said in a prepared statement. He added that it was also possible that the children didn't use their medications as often as their parents reported or that the children who didn't respond to the inhaled corticosteroids may simply have been children with more severe asthma.

While the PEAK study failed to find a way to prevent childhood asthma, and there are no other known ways to prevent the development of the disease, Khadavi pointed out that if you have asthma, you can try to prevent exacerbations of the disease. Since most asthma has allergic triggers, he said, it's important to run an air conditioner or a HEPA air cleaner at times of the year when pollen counts are high. If dust mites trigger your child's symptoms, he recommended "removing carpeting and using dust-mite encasements on mattresses and pillows."

Khadavi also said that if you can't avoid allergens altogether, it's a good idea to give your child an antihistamine to lessen the allergy symptoms.

More information

To learn more about asthma prevention, visit the American Academy of Allergy, Asthma and Immunology.