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The Division of Pulmonary Medicine at Cincinnati Children's Hospital Medical Center performs methacholine challenge testing.
Methacholine challenge testing is used by your caregiver to determine if your child may have asthma.
There is a list of medications that may decrease your child's response to the methacholine and should be avoided only if possible prior to testing.
Check with your child's physician before stopping any medication prior to this test, or call the PFT Laboratory at 513-636-8049. Download patient instructions (.pdf).
Thousands of methacholine challenge tests have been performed in Cincinnati Children's pulmonary function laboratory and elsewhere with no serious side effects.
Methacholine causes airway narrowing; however, all precautions are taken including continuous monitoring and administration of an inhaled bronchodilator to your child if any airway narrowing is observed.
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