What side effects may I notice from receiving MOVANTIK?

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
-new or worsening stomach pain
-severe or prolonged diarrhea
-signs and symptoms of opioid withdrawal such as sweating, chills, diarrhea, stomach pain, anxiety, irritability, and yawning

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
-stomach gas
-stomach pain
-vomiting

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