Nebulizer Say: neh-byuh-lye-zur A nebulizer may sound like a space gun, but you don't have to be on a spaceship to use it. A nebulizer is a machine that turns liquid medicine into a mist that can be breathed in. So it's a great way for people with asthma to get their medicine right where they need it — in their lungs. Lots of kids with asthma use nebulizers to help them breathe easier. Back to Articles Related Articles Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor. © 1995-2021 KidsHealth®. All rights reserved. Images provided by The Nemours Foundation, iStock, Getty Images, Veer, Shutterstock, and Clipart.com.