Conditions We Treat

Dr. William Lyday and his team at Gastroenterology Atlanta treat a variety of gastroenterological conditions. Learn more about these conditions by choosing from the patient education videos below..

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Carcinoid Tumors of the Gastrointestinal Tract

This type of cancer forms in the lining of the stomach or the intestines. It is a slow-growing cancer that results in one or more tumors. This cancer can spread from the gastrointestinal tract to the liver. Carcinoid tumors are less common than many other forms of cancer.

Gastroesophageal Reflux Disease (GERD)

This is a regular irritation of your esophagus. That’s the part of your digestive system that goes from your mouth to your stomach. The irritation you feel is from acid that has escaped your stomach.

Irritable Bowel Syndrome(IBS)

This chronic condition affects your large intestine. With it, your bowels are hypersensitive. You may need to use the restroom frequently and urgently. This can be uncomfortable and embarrassing. It can interfere with your daily life.

Celiac Disease

This is an immune system disease. A person who has this disease has a reaction to foods that contain gluten (a protein found in wheat, rye and barley). The gluten triggers an immune system response. The body attacks and damages the small intestine. This can cause problems with the absorption of nutrients during digestion.

Colorectal Cancer

This condition is the formation of cancerous growths in the colon (called colon cancer) and in the rectum (called rectal cancer).

Colon Polyps

These are small, fleshy growths that stick out from the walls of your large intestine. In most cases, they are harmless. But over time, some polyps can become cancerous.

Constipation in Adults

This condition is a problem with the function of your bowels. It can be an issue for you as you age. Constipation can be related to your diet or your daily routine. But for some people, it can be a sign of a more serious disorder.


These are hardened particles that form inside your gallbladder. This small organ plays a role in digestion. It stores bile, a digestive fluid that helps break down fatty foods and eliminate waste from your body.


This is a burning sensation in your chest. It is related to your digestive system. Most people experience heartburn occasionally, and have only mild discomfort. But for some, it can be a chronic and painful problem.


This condition is an inflammation and swelling of the veins of the anus or rectum. Hemorrhoids may occur inside or outside the anus.

Hepatitis C (HCV)

This is a viral infection that affects the liver. It can cause you to be mildly sick for weeks or months. But even after you feel better, the virus can stay inside your body. It can slowly harm your liver over many years.

Hiatal Hernia

This condition develops when part of your stomach pushes up through an opening in your diaphragm called the “hiatus.” The diaphragm separates your chest from your abdominal cavity. The hiatus is the opening that your esophagus passes through.

Inflammatory Bowel Disease (IBD)

This is a label given to certain conditions that cause problems with your gastrointestinal tract. With IBD, your intestines become irritated and inflamed. This gets worse over time. Ulcerative colitis and Crohn’s disease are the most common forms of IBD.

Stomach (Gastric) Cancer

This cancer usually forms in the cells that line the inside of the stomach. These cells produce your stomach’s protective mucus layer. Stomach cancer is not as common as other cancers. It can spread to other parts of the body if it is not treated in its early stages.

Peptic Ulcer

This is a sore that forms in the lining of your digestive tract. It develops when stomach acid eats through the mucus layer that protects the walls of your digestive tract. A peptic ulcer can form in your stomach. It can also form in your esophagus, or in the upper part of your small intestine.


Throughout our interactions with him as well as his office staff...what a pleasant experience! Not to mention his great personality as well

Dr. Lyday and his team are super helpful and nice. The facility is also a very comfortable place to go for treatment.

Macy Werner

Great bedside. Seems determined to find and solve what the issues were.

Chancellor Felton

Dr. Lyday is very professional and detailed. You can tell he cares about you and has great knowledge . Nice people.

David Cochran
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