 Missing out on the things you love because of asthma? Get back to better breathing with Facenra, an add-on treatment for eosinophilic asthma that is taken once every eight weeks. Facenra is not for sudden breathing problems or other eosinophilic conditions. Allergic reactions may occur. Don't stop your asthma treatments without talking with your doctor. Tell your doctor if your asthma worsens. Headache and sore throat may occur. Tell your doctor if you have a parasitic infection. Step back out there with Facenra. Ask your doctor if it's right for you.