Dr. Ryan D. Lewis M.D.

Introduction Jaw pain is described as an uncomfortable, painful, and debilitating condition that can have a sudden or gradual onset. The exact symptoms also depend on the underlying cause of jaw pain. When a person has jaw pain, it can significantly affect his or her ability to speak and consume...

What is sleep apnea?Sleep apnea is a serious form of sleep disorder that occurs when a person's breathing is often interrupted while sleeping. The brain and other parts of the body do not get enough of oxygen when sleep apnea remains untreated. There are two main types of sleep apnea:...

Sleep apnea is a severe type of sleep disorder that disrupts your breathing while you are asleep. This tends to occur when the brain, as well as the rest of the body, does not get enough oxygen supply. Sleep apnea can affect any individual at any age and it is a potentially life-threatening...

The esophagus is muscular tube that runs between stomach and mouth. It is often known as the food pipe. It carries food you swallow to be digested in your stomach. To some people, unfortunately, malignant or cancer cells can form inside the esophagus starting from cells lining inside it. These cells...

Normally, sinusitis symptoms improve on their own over a period of seven to ten days, since your immune system can fight the infection without need for treatment.However, when the symptoms do not improve or if they become severe, medication may be required. Using medications for sinusitis are for...

What is epistaxis?Epistaxis or commonly called a nosebleed is defined as a type of bleeding that occurs from the nostrils, the nasal cavity, or the nasopharynx. Nosebleeds are mostly caused by the rupture of blood vessels inside the nose. Bleeding may be spontaneous or caused by injuries or trauma....