Dr. Derek M Tang M.D.

Hepatitis B is a disease that is caused by the hepatitis B virus, which can seriously damage the liver. Very few people who have the disease realize its symptoms. Hepatitis B virus usually develops in a carrier body within two to three months.In most adult cases, they get it for a short duration and...

An anal fissure is normally the result of the overstretching of the anal mucosa or moist tissue. It can overstretch due to a number of reasons such as passing extra-large and/or hard stools, constipation, low blood flow to the area, excessive diarrhea, dietary choices, and childbirth among others....

Our digestive system is responsible for breaking down the food we eat. This way, the body is able to absorb all nutrients from food, including water. However, not everything is able to be absorbed or broken down by the digestive system. As a result, these leftovers are excreted as solid waste...

Bacterial gastroenteritis is brought about by bacteria that cause an infection in the gut. This can lead to the inflammation of the stomach and the intestines. In addition, a person suffering from gastroenteritis can experience the following symptoms:...

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 This results in an inflammation of the upper small bowel, which improves when gluten is withdrawn from the...

Diabetes is a chronic metabolic disease that can affect just about any organ. It damages small and large blood vessels, nerves, and changes the functioning of various organs, including those in the gastrointestinal tract.Diabetes adversely affects the functioning of the complete digestive tract,...