What side effects may I notice from receiving Bismuth Subsalicylate?

Side effects that you should report to your doctor or health care professional as soon as possible:
-anxiety, confusion
-dizziness, drowsiness
-headache
-increased sweating
-increased thirst
-loss of hearing, ringing in the ears
-muscle weakness
-nausea, vomiting that does not go away
-tiredness
-trembling, or uncontrollable movements

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-black stools
-blackened tongue
-constipation

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