Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/8/2025

Physical Examination Findings of Anemia

General Physical Findings

  • The National Comprehensive Cancer Network recommends considering fatigue and weakness as common symptoms of anemia, with patients demonstrating reduced exercise capacity and energy levels 2, 3
  • Cardiovascular signs such as tachycardia, systolic flow murmurs, and signs of heart failure may be present in anemic patients 3
  • Respiratory manifestations, including exercise dyspnea and shortness of breath, particularly with exertion, can occur in anemic patients 2, 3

Specific Physical Findings

  • Iron deficiency anemia may cause angular stomatitis, characterized by cracking or inflammation at the corners of the mouth 4, 5
  • Glossitis, a smooth, red, and sometimes painful tongue, can be a sign of iron deficiency anemia 4, 5
  • Koilonychia, or spoon-shaped nails, may be present in patients with iron deficiency anemia 4, 5
  • Restless legs syndrome, characterized by uncomfortable sensations in the legs with an urge to move them, can be associated with iron deficiency anemia 4, 5
  • Pagophagia, or craving for ice, may be a sign of iron deficiency anemia 4, 5
  • Blue sclerae, or bluish discoloration of the whites of the eyes, can be a physical finding in patients with iron deficiency anemia 4, 5

Signs Suggesting Underlying Causes

  • Jaundice may indicate hemolytic anemia, according to the National Comprehensive Cancer Network 2, 3
  • Splenic enlargement can suggest potential hemolysis, hematologic malignancy, or portal hypertension 2, 3
  • Neurologic symptoms, such as those present in vitamin B12 deficiency, may be associated with anemia 2, 3
  • Petechiae, or small red or purple spots on the skin, can suggest platelet abnormalities or vasculitis 2, 3
  • Heart murmur may indicate high-output cardiac state due to severe anemia 2, 3
  • Telangiectasias may suggest hereditary hemorrhagic telangiectasia as a cause of chronic blood loss 4, 5

Diagnostic Accuracy of Physical Examination

  • The National Comprehensive Cancer Network notes that clinical manifestations of anemia are neither sensitive nor specific to the type of anemia 2, 3

Important Considerations

  • Physical findings may vary based on the severity of anemia, with more pronounced signs at lower hemoglobin levels 2, 3
  • The Centers for Disease Control and Prevention recommends avoiding reliance solely on physical examination findings without laboratory confirmation 6
  • The American Society of Clinical Oncology suggests that assuming a single cause for anemia without comprehensive evaluation can be a pitfall to avoid 7, 6
  • Subtle physical signs of specific nutritional deficiencies, such as those associated with iron deficiency anemia, should not be overlooked 4, 5