You must have Kidney disease … a damaged kidney doesn't have the ability to produce erythropoietin, to stimulate red cell production. read more
Anemia of iron deficiency is not a sudden event so your body adopts to anemia during several months. Body of you getting hard to move that slows you. You get muscle cramps that prevents you to run. You feel tired after a normal movement. And other biologic mechanisms. If a sudden drop of hgb happens it can cause death easily. read more
While low iron levels are not a common cause of death in developed countries, if left untreated, severe iron deficiency anemia can potentially be fatal. To avoid low iron levels, consume iron-rich foods including clams, white beans, soybeans, organ meats, oysters, fortified cereals, blackstrap molasses, spinach, lentils, beef and kidney beans. read more
In children, for example, fe deficiency from inappropriate cows milk ingestion can lead to hematocrit below 10% in severely affected patients, which can be insufficient to support organ function, particularly the heart, which must work even harder in the face of severe anemia. read more