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gsenviro eNotes educator| Certified Educator

Anemia (or anaemia) is a health condition characterized by decreased red blood cell (RBC) count in a human body due to impaired production or increased destruction, a lowered oxygen carrying capacity of the blood, blood loss, or fluid overload. The symptoms of anemia typically include shortness of breath, weakness, palpitation, possible pale skin, etc. 

Anemia can be of three types: Microcytic, Macrocytic and Normocytic. Microcytic anemia is a result of insufficient or completely failed hemoglobin production. Iron deficiency anemia, a type of microcytic anemia, is also the most common anemia and caused due to insufficient dietary intake of iron and/or blood loss from the gastrointestinal tract. Macrocytic anemia is due to a deficiency of vitamin B12 or folic acid and restricted cell division. Normocytic anemia is due to blood loss, characterized by decreased hemoglobin content. 

kslanger eNotes educator| Certified Educator

Anemia is a condition where your blood lacks a sufficient amount of healthy red blood cells. Hemoglobin is a key component of a healthy read blood cells and serves the function of binding oxygen. When there is a red blood cell deficiency, the cells in your body will not get enough oxygen.  This often causes fatigue.  There are certain conditions and hereditary factors that can increase the likelihood of anemia occurring.  It's important to monitor blood counts after an anemia diagnosis.  There is a wide range of outcomes when diagnosed with this condition - it could be considered normal, or it could be something that requires active management for the rest of someone's life. 

cwalton0619 | Student

Anemia is a health condition that occurs when your body does not have enough healthy red blood cells to carry oxygen. This condition is related to not having enough iron in your body.

kschultz1991 | Student

Anemia is a condition in which the blood is deficient of healthy red blood cells. This is fairly common with more than 3 million cases in the United States each year. When anemia is present, the blood is not carrying enough oxygen to the rest of the body. The most common cause of anemia is an iron deficiency. 

Anemia has 3 main causes: lack of red blood cell production, blood loss, and high rates of red blood cell destruction.  

There are several conditions that can lead to anemia:

  • Heavy periods
  • Pregnancy
  • Ulcers
  • Colon polyps or colon cancer
  • Inherited disorders
  • A diet that does not have enough iron, folic acid, or vitamin B12
  • Blood disorders including sickle cell anemia or cancer
  • Acquired or inherited aplastic anemia
  • Certain metabolic disoders
malkaam | Student

Anemia is a condition which occurs due to lack of red blood cells or hemoglobin. There are more than 400 types of anemia which are categorized into 3 groups: 

  • Anemia caused by blood loss
  • Anemia caused by decreased or faulty red blood cell production
  • Anemia caused by destruction of red blood cells

Symptoms of anemia include, weakness, dizziness, pale skin, headache, numbness or coldness in hands and feet, low body temperature.

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