Dr. William R Cast M.D.

Sleep apnea is a sleep breathing disorder. It is characterized by repetitive pauses in breathing, which may occur several times per hour and may last for 10 seconds. It is usually a chronic condition. It results in poor sleep quality and excessive sleepiness in daytime. The most common type is...

Treatments for Strep Throat Strep throat is a bacterial disease that affects the tonsils and the throat. It is an infection characterized by inflammation of the throat that leads to a sudden and severe sore throat, and is mainly caused by a bacterium known as streptococcus, hence its name, strep...

Why are my tonsils swollen?The human body is a marvelous creation--a true work of art. It has the infrastructure to keep itself safe from harmful bacteria and viruses, and it has the ability to heal itself. One of these infrastructures is the tonsils. These are lymph nodes located at the back of the...

Anyone who has suffered from vertigo probably explained the feeling as dizziness, or something similar to motion sickness. An episode of vertigo either feels like you are actually moving when you are actually not or that the world around you is spinning but it’s really not. The feeling of motion...

A tonsillectomy is a surgical procedure performed to get rid of one's tonsils. The same procedure can be used to remove the adenoids. For adults, the administration of a local anesthesia to numb the throat is enough. However, children may have to be given general anesthesia, which makes them...

Sinusitis is a common infection, although most people who suffer from the condition use ineffective treatments. Before going to the pharmacy, you should first learn about the appropriate treatment for your condition.Sinuses are tiny openings found in the skull and are usually filled with air. They...