Dr. Marc Jay Leitner M.D.

Sinus infections are one of the most common conditions that affect millions of people, and the issue may continue throughout their lives. Sinusitis, the infection of the sinuses, is known to affect nearly 37 million people in the U.S. There are people who try and test different varieties of...

This is a severe condition which is a result of an overwhelmed immune system due to an infection. Widespread inflammation is activated by immune chemicals that are released into the blood to fight the infection. This causes leaky vessels and blood clots. The flow of blood is then disrupted which...

A major factor that you should consider before having a knee replacement surgery is proper preparation. A good preparation will actually give you successful outcomes with fewer complications. As a patient, you should consider learning what to expect during the procedure and recovery both at home and...

What is anemia?Anemia occurs when there are low levels of red blood cells (RBCs) in the body. Red blood cells are the ones that carry oxygen all over the body. So when a person's RBC count is lower than normal, it means that there is not enough oxygen in the blood, causing symptoms of anemia, such...

Introduction Pyrexia is the medical term for fever, in which the human body temperature rises above the average normal (37 degrees Celsius or 98.6 degrees Fahrenheit). Pyrexia is one of the most common symptoms of numerous medical conditions.There are multiple factors can affect the normal body...

IntroductionAlthough doctors have the best intentions, it does not always mean that they will perfectly recognize their patient’s greatest need. For this reason, patients also need to take an active role when it comes to communicating with their doctor.One of the best ways to make sure that...