What side effects may I notice from receiving Riomet?

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
-High lactic acid level—muscle pain or cramps, stomach pain, trouble breathing, general discomfort and fatigue
-Low vitamin B12 level—pain, tingling, or numbness in the hands or feet, muscle weakness, dizziness, confusion, trouble concentrating
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
-Diarrhea
-Gas
-Headache
-Metallic taste in mouth
-Nausea

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