Dr. Michael Louis Nieder M.D.

HIV infection is an infection that is caused by the HIV virus. The virus infects and destroys the CD4+ cells in the human body hence weakening the immune system. It is transmitted from one person to another through exchange of fluids. These fluids may involve semen, vaginal fluids, blood or breast...

Pneumonia is a serious lung infection that can be caused by bacteria, viruses, or fungi. It is a common disease, especially among the elderly and bed-ridden patients. Although it is quite serious, it can be easily treated....

IntroductionA decrease in the number of white blood cells (WBCs) is referred to as leukopenia. There are several causes for leukopenia. It may be due to certain drugs, cancer, radiation and chemotherapy for cancer, stem cell transplant, surgery, steroids, or autoimmune disorders. The immune system...

Lymphoma is a blood cancer that affects both children and adults.Lymphoma begins its growth in the lymphatic white blood cells of the lymph system. This system is a major warrior in fighting off infections and diseases. It is part of the body’s immunity team.The lymph system loops throughout the...

PurpuraPurpura refers to purple-colored spots that are usually seen on the skin, including mucous membranes and other organs. It is also called skin hemorrhages or blood spots.Purpura is usually recognized when there is pooling of blood under the skin due to ruptured small blood vessels. The size of...

Leukemia in its early stages may present no signs or symptoms, as these only appear when the leukemia cells have taken over a large number of normal blood cells. A person with leukemia is very lucky indeed if early-stage detection occurs incidentally, through a routine blood test or one done for...