Dr. Sunita Nathan M.D.

Differences in Description Warfarin is an anticoagulant or blood thinner under the brand names Coumadin and Jantoven. It is used to prevent the formation and migration of blood clots. Originally, it was marketed as a pesticide. Since then, it has become one of the most frequently prescribed oral...

Anemia is a condition in which the amount of normal hemoglobin in our body is markedly reduced or there is a significant reduction in the red blood cell (RBC) count in our body. There are a variety of types of anemia that may affect people. Iron deficiency anemia is the main culprit behind most...

The ABO (A, B, AB, or O) blood group system is used to classify different types of antibodies in the plasma and antigens in the red blood cells (RBCs). The ABO blood group and RhD antigen determine the type of blood that is a perfect match for blood transfusions. The four ABO blood groups are: ...

Petechiae are tiny dots that appear as red, brown, or purple in color beneath the skin. They are usually seen in clusters on the stomach, buttocks, arms, and legs. However, they may also appear inside the mouth or on the eyelids. Petechiae may indicate different conditions, which can range from...

Anemia is a condition characterized by low levels of red blood cells, or hemoglobin. This results in cells of the body receiving insufficient amounts of oxygen. The tissues and organs and do not function properly resulting in tiredness. It is one of the most common conditions seen in people, and it...

What is pancytopenia?Pancytopenia is the medical term for reduced levels of all blood cells, which include erythrocytes or red blood cells (RBCs), leukocytes or white blood cells (WBCs), and thrombocytes or platelets.These blood cell types have different functions in the body. Red blood cells are...