What side effects may I notice from receiving Protamine Sulfate?

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
-breathing problems
-chest pain or tightness
-dizziness
-feeling faint or lightheaded, falls
-flushing or feeling of warmth
-nausea, vomiting
-unusual bleeding or bruising

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-gum bleeding or nosebleeds
-unusual tiredness

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