Dr. Yaser M Rayyan MD

Functions of MucusMucus is a very important substance in the body. Tissues produce mucus to protect the linings of the mouth, throat, sinuses, nose, lungs, and gut. The functions of mucus are:...

IntroductionNausea is an unpleasant feeling that is usually experienced before vomiting. Constant or persistent nausea is characterized by feeling nauseous for more than 24 hours. Although nausea and vomiting often come together, vomiting may occur without feeling nauseous and nausea can occur...

Colitis is a general term used to describe conditions that involve the inflammation of the colon. Anyone living with colitis knows how big of an impact it can make on one’s life. The most common symptom of all types of colitis is abdominal discomfort. People with colitis also frequently experience...

Celiac disease is also known as non-tropical sprue or gluten induced enteropathy. It is an immune mediated enteropathy, triggered by a gluten containing cereal such as wheat, rye, and barley. This results in an inflammation of the upper small bowel, which improves when gluten is withdrawn from the...

An anal fissure is a the tear or ulcer in the anal canal’s lining. The anal canal forms the end of the large bowel and lies between the rectum and the anus.Symptoms of Anal FissureThe following are the most prominent symptoms of anal fissures:...

You can opt to take ursodiol (a bile acid that occurs naturally and assists in dissolving cholesterol) in case you do not want surgery, if you are not able to undergo surgery, or if your gallstones are small. Ursodiol dissolves the gallstones that are made up of cholesterol, and sometimes, it can...