Anemia symptoms are caused by decreasing amounts of oxygen reaching important organs, such as your muscles, heart, and brain. Those organs will not be able to work as well and your heart and lungs have to work harder to deliver oxygen to these body.
Those who have nutritional anemia, especially mild anemia, may have no symptoms. If symptoms do occur, they might include:
Anemia—differential diagnosis. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T240897/Anemia-differential-diagnosis. Updated January 21, 2016. Accessed September 30, 2016.
Culleton, BF, Manns, BJ, Zhang J, et al. Impact of anemia on hospitalization and mortality in older adults. Blood. 2006;107(10):3841-3846.
Decreased erythropoiesis. Merck Manual Professional Version website. Available at: http://www.merckmanuals.com/professional/hematology-and-oncology/anemias-caused-by-deficient-erythropoiesis/decreased-erythropoiesis. Updated May 2013. Accessed September 15, 2016.
What are the signs and symptoms of anemia? National Heart, Lung, and Blood Institute website. Available at: http://www.nhlbi.nih.gov/health/health-topics/topics/anemia/signs. Updated May 18, 2012. Accessed September 15, 2016.
Last reviewed September 2017 by Marcin Chwistek, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.