Using nasal swabs to identify a child’s asthma subtype may lead to more precise medication prescribing and development of better treatments for what have been harder to diagnose types of the respiratory condition,

A new test can differentiate between various types of asthma via a nasal swab. Researchers hope it can eventually help match patients with better treatments.

A new quick-and-easy nasal swab test for kids can diagnose the specific immune system drivers behind their asthma, potentially opening the door to better treatments, researchers say.