What side effects may I notice from receiving LUCEMYRA?

Side effects that you should report to your doctor or health care professional as soon as possible:

-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-signs and symptoms of a dangerous change in heartbeat or heart rhythm like chest pain; dizziness, fast or irregular heartbeat; palpitations; feeling faint or lightheaded falls; breathing problems
-signs and symptoms of low blood pressure like dizziness; feeling faint or lightheaded, falls; unusually weak or tired
-slow heart rate

Side effects that usually do not require medical attention (report these to your doctor or health care professional if they continue or are bothersome):

-drowsiness
-dry mouth
-ringing in the ears
-trouble sleeping

This list may not describe all possible side effects for LUCEMYRA. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.