This is a plastic tube that you blow into several times a day. It measures the amount of air you can blow out of your lungs. You can use the peak flow meter every day at home. Keeping track of how much air you blow out lets you know when you need to take extra medicine or call your doctor. Your doctor can teach you how to use a peak flow meter and what to do when your asthma gets worse.
Asthma inhalers can be hard to use.
Many people with asthma don't use them the right way. If you aren't using the inhaler the right way, you aren't getting as much medicine into your lungs as you need. A device called a spacer makes the inhaler easier to use. The spacer helps more of the medicine get deeper into your lungs, where it's needed. Ask your doctor about getting a spacer for your inhaler, and have your doctor show you how to use the inhaler the right way.