Fasenra may cause allergic reactions. get help right away if you have swelling of your face, mouth, and tongue, or trouble breathing. don't stop your asthma treatments unless your doctor tells you to. tell your doctor if you have a parasitic infection or your asthma worsens. headache and sore throat may occur. haven't you missed enough? ask an asthma specialist about fasenra. if you can't afford your medication, astrazeneca may be able to help. we have breaking news coming into the situation room. a new problem has turned up on the troubled boeing 737 max airliner, the jet grounded since a p...