What side effects may I notice from receiving Veltassa?

Side effects that you should report to your care team as soon as possible:
-Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
-Low magnesium level—muscle pain or cramps, unusual weakness or fatigue, fast or irregular heartbeat, tremors
-Low potassium level—muscle pain or cramps, unusual weakness or fatigue, fast or irregular heartbeat, constipation
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
-Constipation
-Diarrhea
-Gas
-Nausea
-Stomach pain

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