Understanding RAST Testing and Eosinophils: What They Mean for Your Allergies and Lungs
If you’ve ever struggled with allergies, asthma, or unexplained breathing issues, your doctor may have mentioned blood tests like a RAST test or checked your eosinophil count. These terms might sound intimidating, but they’re actually simple tools that give your care team valuable information about what’s going on inside your body. Let’s break them down in plain language.