The survival time of a dog with severe anemia depends on the cause of the anemia, the promptness of treatment and the dog's overall health. Anemia can be caused by a variety of causes, including malnutrition, parasitic infections, chronic disease, acute blood loss, or bone marrow disease. Different causes pose different threats to a dog’s life. For example, acute blood loss may be life-threatening in a short period of time if not treated in time; while anemia caused by malnutrition usually has a longer recovery period after improving diet and appropriate treatment.

For dogs with severe anemia, timely medical intervention is crucial, which may include blood transfusions, iron supplements, and Other necessary treatment measures. With proper treatment, even in severe cases of anemia, dogs may gradually recover. On the contrary, if treatment is not timely or appropriate, anemia may rapidly worsen and become life-threatening.