The Nurse Is Caring for a Client Who Receives H₂-Receptor

The nurse is caring for a client who receives H₂-receptor antagonists for the treatment of peptic ulcer disease.Based on the nursing diagnosis Risk for Bleeding,which assessment finding should the nurse report immediately to the healthcare provider?

A) The client reports pain after 24 hours of treatment.
B) The client reports episodes of melena.
C) The client reports that he is constipated.
D) The client reports that he took Tums antacids with his H₂-receptor antagonist.