Gas that occurs after eating may be caused by foods, certain diseases or swallowing air when eating or drinking, according to WebMD. Gas sometimes causes burping, bloating or flatulence. More » Health Pain & Symptoms

The primary causes of gas in humans are air that a person swallows and bacterial breakdown of certain foods in the digestive tract, according to the National Digestive Diseases Information Clearinghouse. Gas includes car... More » Health Conditions & Diseases Gastrointestinal Issues

Common causes of abdominal gas include swallowing too much air, eating foods that cause gas, or having a disease or condition that cause gas, explains Mayo Clinic. Excessive gas is usually a sign of a functioning digesti... More » Health Conditions & Diseases Gastrointestinal Issues

Foods that commonly trigger bouts of heartburn include red wine, chocolate, coffee, heavy spices and citrus foods, according to WebMD. Additionally, fatty foods, oversized meals and lying down after eating may cause hear... More » Health Pain & Symptoms

Common causes of upper intestinal gas include drinking, chewing gum and swallowing more air than usual while eating, while lower intestinal gas is a natural occurrence resulting from the breakdown of food, states the May... More » Health Conditions & Diseases Gastrointestinal Issues

Some of the more common causes of abdominal pain are ulcers, gas, gallstones, stomach viruses, indigestion and urinary tract infections, according to WebMD. Other causes of abdominal pain may include kidney stones, appen... More » Health Pain & Symptoms

Bloating in the stomach area has many causes, the primary ones being swallowed air, gas-producing foods, hormonal changes and weakened abdominal muscles, according to WebMD. Other causes include conditions such as intest... More » Health Pain & Symptoms