Dr. Rehan Rafiq M.D.

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• Jaundice: Know the Signs and Symptoms

  Jaundice is a condition that causes yellowing of the skin and certain parts of the eyes. It results from the excessive build-up of bilirubin in the patient’s blood or body tissues. Bilirubin is an orange-yellow pigment made during the breakdown of hemoglobin.Signs and SymptomsThe commonest signs...

• How to Diagnose Crohn's Disease and Colitis Through Blood Tests

  At present, blood tests alone can not diagnose Crohn’s disease and colitis, but they are significant for the process to determine diagnosis, screening, and management of Crohn’s disease and ulcerative colitis. ...

• Yellow Eyes: When to Be Concerned

  IntroductionA person's eyes can offer personality insights, and at the same time, provide warning signs about the body's overall health. When the white portion of the eyes called sclera turns yellowish in color, it is often a signal that something is not right in the body. It also indicates a...

• Blood in Your Stool: Where Does It Come From?

  Where does the bleeding come from?Bleeding that causes blood in the stool can develop in any part of the gastrointestinal tract....

• How Long Does It Take to Digest Food?

  Digestion is when the body breaks down the food we consume into smaller particles to get absorbed into the bloodstream. The entire digestion process is divided into three different stages: oral, gastric, and intestinal.The Process of DigestionThe entire process of digestion is divided into three...

• What Causes Gallstones?

  OverviewMany people with gallstones are not aware of their condition. Gallstones are hard substances that are formed in the gallbladder. They are mainly composed of cholesterol, bilirubin, and bile salts. The stones are of different sizes ranging from a sand particle to a golf ball.Symptoms of...