Fatigue Topic Guide
Fatigue: Fatigue is a common health complaint by individuals. Fatigue is also referred to as feeling weary, tired, exhausted, lethargic, and a lack of energy. There are several causes of fatigue from sleep disturbances to some diseases or conditions. Treatment of fatigue is generally directed toward the condition or disease causing fatigue.
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Pernicious Anemia (Vitamin B-12 Deficiency) Pernicious anemia (vitamin B-12 deficiency) is a type of anemia that is a result of the body's inability to absorb vitamin B-12 into the gastrointestinal tract. Common symptoms are fatigue and shortness of breath. Causes of pernicious anemia can be attributed to autoimmune diseases such as thyroid disorders, vitiligo, celiac disease, Crohn's disease, and infection and poor nutrition. Treatment for pernicious anemia is generally with life-long vitamin B-12 injections.