Having a low blood count means that a person's bone marrow is not making enough of one or more types of blood cells, according to the Aplastic, Anemia & MDS International Foundation. The medical term for a low blood coun... More »

The causes of low sodium levels in the blood include certain medications, kidney, heart or liver problems, and chronic and severe vomiting or diarrhea, explains Mayo Clinic. When sodium levels drop slowly, the condition ... More »

A low red blood cell count, most often referred to as anemia, can cause weakness, fatigue, dizziness, fainting, lack of energy, pale skin, rapid heart rate or palpitations and shortness of breath. Chronic anemia in child... More »

Inadequate generation of red blood cells, platelets or white blood cells by the bone marrow can cause a low blood count. This can occur due to certain bone marrow diseases such as paroxysmal nocturnal hemoglobinuria, apl... More »

A low blood count in men is most commonly caused by iron deficiency anemia from chronic occult bleeding. Other causes of iron deficiency anemia include intravascular hemolysis, vitamin C deficiency, as well as an increas... More »

A low blood count can indicate anemia, neutropenia or thrombocytopenia, as stated on AAMDS.org. The type of condition depends on which blood cells are low in a person's sample. More »

The causes of low blood count in elderly patients include underlying diseases such as cancer or kidney failure, says WebMD. The patients can also be suffering from malnutrition. Renal insufficiency associated with age is... More »