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Anemia
    Bryce Wylde, BSc, DHMHS, Homeopath
  • on Jan 30, 2019 |

Anemia is a condition where your body doesn’t have enough healthy red blood cells to carry enough oxygen to the body's tissues. There are different forms of anemia, each with its own cause. Anemia can be temporary or long term, and it can range from mild to severe. See a healthcare professional if you suspect you have anemia, as it can be a warning sign of a serious illness.

Symptoms

  • Fatigue
  • Chest pain
  • Weakness
  • Headache
  • Pale or yellowish skin
  • Irregular heartbeats
  • Dizziness or lightheadedness
  • Shortness of breath
  • Cold hands and feet

Types and causes of anemia:

  • Iron deficiency anemia. This is the most common type of anemia worldwide. Iron deficiency anemia is caused by a shortage of iron in your body. This type of anemia occurs in many pregnant women. It can also be caused by blood loss from heavy menstrual bleeding, an ulcer, cancer and regular use of some over-the-counter pain relievers, such as aspirin.
  • Vitamin deficiency anemia. In addition to iron, your body needs folate and vitamin B-12 to produce enough healthy red blood cells. A diet lacking in these and other key nutrients can cause decreased red blood cell production. Some people may consume enough B-12 but their bodies are not able to process the vitamin. This can lead to vitamin deficiency anemia.
  • Anemia of chronic disease. Certain diseases such as cancer, HIV/AIDS, rheumatoid arthritis, kidney disease, Crohn's disease and other chronic inflammatory diseases can interfere with the production of red blood cells.
  • Aplastic anemia. This rare, life-threatening anemia occurs when your body doesn't produce enough red blood cells. Causes of aplastic anemia include infections, certain medicines, autoimmune diseases and exposure to toxic chemicals.
  • Anemias associated with bone marrow disease. A variety of diseases, such as leukemia and myelofibrosis, can cause anemia by affecting blood production in your bone marrow. The effects of these types of cancer and cancer-like disorders vary from mild to life-threatening.
  • Hemolytic anemias. This develops when red blood cells are destroyed faster than bone marrow can replace them. Certain blood diseases increase red blood cell destruction. You can inherit a hemolytic anemia or you can develop it later in life.
  • Sickle cell anemia. This condition is an inherited hemolytic anemia. It's caused by a defective form of hemoglobin that forces red blood cells to assume an abnormal crescent (sickle) shape. These irregular blood cells die prematurely, resulting in a chronic shortage of red blood cells.
  • Other anemias. There are several other forms of anemia, such as thalassemia and malarial anemia.

Prevention

Many types of anemia can't be prevented. But iron deficiency anemia and vitamin deficiency anemias can be avoided by having a diet that includes a variety of vitamins and nutrients, including:

  • Iron. Iron-rich foods include beef and other meats, beans, lentils, iron-fortified cereals, dark green leafy vegetables, and dried fruit.
  • Folate. This nutrient, and its synthetic form folic acid, can be found in fruits and fruit juices, dark green leafy vegetables, green peas, kidney beans, peanuts, and enriched grain products, such as bread, cereal, pasta and rice.
  • Vitamin B-12. Foods rich in vitamin B-12 include meat, dairy products, and fortified cereal and soy products.
  • Vitamin C. Foods rich in vitamin C include citrus fruits and juices, peppers, broccoli, tomatoes, melons and strawberries. These items help increase iron absorption.

Treatment

  • Iron deficiency anemia. Treatment for this form of anemia usually involves taking iron supplements and making changes to your diet. If the underlying cause of iron deficiency is loss of blood, (other than from menstruation) the source of the bleeding must be located and stopped. This may involve surgery.
  • Vitamin deficiency anemias. Treatment for folic acid and B-12 deficiency involves dietary supplements and increasing these nutrients in your diet. If your digestive system has trouble absorbing vitamin B-12 from the food you eat, you may need vitamin B-12 shots. At first, you may receive the shots every other day. Eventually, you'll need shots just once a month, which may continue for life, depending on your situation.
  • Anemia of chronic disease. There's no specific treatment for this type of anemia. Doctors focus on treating the underlying disease. If symptoms become severe, a blood transfusion or injections of synthetic erythropoietin, a hormone normally produced by your kidneys, may help stimulate red blood cell production and ease fatigue.
  • Aplastic anemia. Treatment for this anemia may include blood transfusions to boost levels of red blood cells. You may need a bone marrow transplant if your bone marrow can't make healthy blood cells.
  • Anemias associated with bone marrow disease. Treatment of these various diseases can include medication, chemotherapy or bone marrow transplantation.
  • Hemolytic anemias. Managing hemolytic anemias includes avoiding suspect medications, treating related infections and taking drugs that suppress your immune system, which may be attacking your red blood cells. Depending on the severity of your anemia, a blood transfusion or plasmapheresis may be necessary. Plasmapheresis is a type of blood-filtering procedure. In certain cases, removal of the spleen can be helpful.
  • Sickle cell anemia. Treatment for this anemia may include the administration of oxygen, pain-relieving drugs, and oral and intravenous fluids to reduce pain and prevent complications. Doctors also may recommend blood transfusions, folic acid supplements and antibiotics. A bone marrow transplant may be an effective treatment in some circumstances. A cancer drug called hydroxyurea is also used to treat sickle cell anemia.
  • Thalassemia. This anemia may be treated with blood transfusions, folic acid supplements, medication, removal of the spleen, or a blood and bone marrow stem cell transplant.

If you receive a diagnosis of anemia, your doctor may order additional tests to determine the underlying cause. For example, iron deficiency anemia can result from chronic bleeding of ulcers, benign polyps in the colon, colon cancer, tumors or kidney problems.