Conditions list medically reviewed by George Krucik, MD, MBA
Hepatitis refers to an inflammatory condition of the liver. It's commonly caused by a viral infection, but there are other possible causes of hepatitis.
Weakness in your stomach lining allows digestive juices to damage and inflame it, causing gastritis. Learn more about causes, diagnosis, and treatment.
Acid reflux symptoms are caused when stomach contents flow up from the stomach back into the esophagus, causing symptoms like heartburn, stomach pain, and burping.
Damage to the liver from excessive drinking can lead to ARLD. Years of alcohol abuse cause the liver to become inflamed and swollen.
Bleeding or spotting, increased need to urinate, tender breasts, fatigue, nausea, and missed period are signs of pregnancy.
Common colds and influenza are contagious infections that affect the respiratory system. Both are airborne illnesses, spread through coughing and sneezing. Shared…
Peptic ulcers are painful sores in the lining of the stomach, esophagus, or small intestine. We'll show you how to treat and prevent them.
Giardiasis is an infection in your small intestine caused by microscopic parasites called giardia. Read on to learn more about it.
Learn about migraine types, symptoms, triggers, and treatments as well as how they are different from regular headaches.
Bacterial infections are common causes of gastrointestinal infections. This type of infection is also called "food poisoning" and is often caused by poor hygiene or…
Premenstrual syndrome causes a wide variety of emotional and physical symptoms. Learn more about it.
Cirrhosis is the severe scarring and poor function of the liver caused by long-term exposure to toxins such as alcohol or viral infections.
A biliary obstruction blocks the bile ducts, which carry bile to the small intestine for digestion and waste removal. Learn about symptoms, causes and more.
Appendicitis is inflammation of the appendix. Here's what it feels like, what causes it, and what tests to expect at your doctor's office.
Gallstones can block your bile duct and cause abdominal pain. Learn how to recognize the symptoms and what the treatment options are.
Viral gastroenteritis, also known as the stomach flu, is caused by a number of different viruses. Its symptoms usually last for two to three days.
Acute pancreatitis is an inflammation in the pancreas, which causes pain and swelling in the upper left side of the abdomen, nausea, and burping.
Peritonitis is the inflammation of a thin layer of tissue inside the abdomen. Caused by bacteria or fungus, it causes tenderness, bloating, fatigue, greying of the skin…
Swine flu, or H1N1, is highly contagious and can spread quickly from person to person. A simple sneeze may cause thousands of germs to spread through the air.
Low blood sodium, or hyponatremia, occurs when water and sodium are out of balance in your body. It can cause weakness, headache, nausea, and muscle cramps.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.