Dr. David G Fuller M.D.

A dark stool refers to a stool that is either black or dark red in color. You may pass dark bowel movements after consuming dark-colored foods or when an injury or bleeding is present in your gastrointestinal tract. If you pass dark or bloody stools, see your doctor immediately to rule out serious...

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...

What is bursitis?Bursitis is a condition that causes inflammation of the bursa. Once the bursa is inflamed, it starts swelling. It causes pain around the affected area. The condition affects any part of the body where there are bursae.What is a bursa?A bursa is a sac-like cavity filled with fluid....

Antispasmodic medicines are commonly prescribed drugs for irritable bowel syndrome (IBS). These medications can help relieve abdominal cramping and pain, which are common symptoms experienced by people with IBS. However, antispasmodic medications might not be suitable for people who have...

Are there any circumstances under which vaccination of young children is forbidden?There are particular conditions when the immunization of your child, unfortunately, cannot be performed. If all terms and conditions are followed accordingly, complications are avoidable. These are the circumstances...

What is biotin?Biotin is a water-soluble vitamin also known as vitamin B7. This vitamin is critical for an organism's growth and development. It also serves as a coenzyme of carboxylase enzymes and is involved in the metabolism of carbohydrates, fatty acids, and amino acids. Biotin is required to...