What side effects may I notice from receiving DIFICID ?

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
-bloody or black, tarry stools
-breathing problems
-dizziness
-spitting up blood or brown material that looks like coffee grounds
-unusually weak or tired

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

-nausea, vomiting
-stomach pain

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