Dr. Lee Allen Rigg M.D., PH.D.

A cold sore is an infection caused by the herpes simplex virus or HSV. The type of HSV that causes cold sores is the HSV-1. It is a very common condition that affects people before their twenties. Many Americans are infected by the HSV-1 by the time they are 20 years old. Cold sores can be painful...

What is Addison’s disease?One of the ways in which the body maintains proper balance is by using certain chemical messengers called as hormones. This done so to regulate various functions in the body. There is a small adrenal gland present above each kidney. These glands work to produce hormones,...

Muscular dystrophy or MD is a genetic disorder that stops the body from producing enough proteins to develop the muscles and keep them healthy. This fault in the genetic structure slowly weakens the body as the person ages. It is really heartbreaking to hear a parent say, “My child has muscular...

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...