What side effects may I notice from receiving Hemlibra?

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
-signs and symptoms of a blood clot such as breathing problems; change in the amount of urine; changes in vision; chest pain; severe, sudden headache; pain, swelling, warmth in the arm or leg; stomach pain; sudden numbness or weakness of the face, arm or leg; trouble speaking; yellowing of the eyes or skin

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

-diarrhea
-fever
-headache
-joint pain
-muscle pain
-pain, redness, or irritation at site where injected

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