Anemia, Shortness of breath on exertion: 31 Possible Causes
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What causes anemia and shortness of breath on exertion? 31 possible conditions

See a list of possible causes in order from the most common to the least.

1

Iron Deficiency Anemia

Iron-deficiency anemia is the most common type of anemia, which occurs when the body does not have enough of the mineral iron. The body needs iron to produce hemoglobin.

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2

Folic Acid Deficiency Anemia

Folic acid deficiency anemia is caused by having too little folate (vitamin B9) in your blood.

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3

Thalassemia

Thalassemia is an inherited blood disorder in which the body makes an abnormal form of hemoglobin.

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4

Hookworm Infections

Hookworms are parasites that affect the small intestine and lungs. Read more about the symptoms of this infection and treatment options.

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5

Megaloblastic Anemia

Megaloblastic anemia is a blood disorder marked by the appearance of very large red blood cells that crowd out healthy cells, causing anemia.

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6

Bleeding Esophageal Varices

This condition is considered a medical emergency. Urgent care may be required.

Find information on bleeding esophageal varices symptoms, causes, risk factors, treatment, and prevention.

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7

Hypovolemic Shock

This condition is considered a medical emergency. Urgent care may be required.

Hypovolemic shock (hemorrhagic shock) is a life-threatening condition that results when you lose more than 20 percent of your body's blood or fluid supply, preventing the heart from pumping sufficient blood to your body.

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8

Failure to Thrive

Your child may be diagnosed with failure to thrive if he or she falls below a healthy weight and shows signs of emotional underdevelopment. Typically, failure to thrive is discovered during a child's infant years. Idea...

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9

Pernicious Anemia

Pernicious anemia occurs when your body can't absorb enough vitamin B-12 to function properly. Learn about the signs and symptoms of pernicious anemia.

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10

Hypothyroidism

The thyroid gland produces a hormone that controls how your cells use energy (metabolize). Hypothyroidism occurs when the body doesn't produce enough. Untreated, it can cause complications like obesity and heart disease.

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11

Leukemia

Leukemia is a cancer of the blood cells. There are several types of blood cells, including red blood cells (RBCs), white blood cells (WBCs), and platelets. Generally, leukemia refers to cancers of the WBCs. Two types o...

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12

Hemophilia A

Hemophilia A is the most common form of the blood clotting disorder hemophilia. According to the National Heart, Lung and Blood Institute, nine out of 10 people with hemophilia have hemophilia A (<...

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13

Drug-Induced Immune Hemolytic Anemia

Drug-induced immune hemolytic anemia is a rare blood disorder. It occurs when medication you take leads your immune system to attack your red blood cells.

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14

Dissection of the Aorta

This condition is considered a medical emergency. Urgent care may be required.

The aorta is a large artery that carries blood out of your heart. If you experience a dissection of the aorta, it means that blood has entered the wall of the artery, between the inner and middle layers. This can happe...

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15

Hemorrhoids

Hemorrhoids, also known as piles, are swollen veins located around the anus or in the lower rectum.

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16

Sarcoidosis

Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.

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17

Sickle Cell Anemia

Red blood cells are normally shaped like discs, which allows them to travel through blood vessels. Sickle cell disease causes sickle cells to be sickle-shaped.

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18

End-Stage Kidney Disease

In end-stage kidney disease, also known as end-stage renal disease (ESRD), the kidneys are functioning below 10 percent of their normal function.

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19

Multiple Myeloma

Multiple myeloma is a type of cancer that affects plasma cells. Learn about multiple myeloma symptoms, diagnosis, risk factors, and treatment.

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20

Ebola Virus and Disease

This condition is considered a medical emergency. Urgent care may be required.

Ebola disease is a rare, often fatal illness. One of its late-stage symptoms is a bleeding rash over the entire body.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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