What side effects may I notice from receiving CERDELGA?

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 heart beat; palpitations; feeling faint or lightheaded, falls; breathing problems
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

-diarrhea
-headache
-nausea
-pain in the arms, legs, or back
-stomach pain
-tiredness

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