Wheat does not cause severe gas and stomach pain in healthy adults. If you develop severe gas and pain after eating products that contain wheat, you may have a wheat intolerance or allergy.

A strangulated hernia is a medical condition in which the fat within the abdomen or a portion of the small intestine pushes through an area within the lower abdominal muscles, cutting off blood supply to the small intestine.

Iron supplements can produce gastrointestinal side effects, including diarrhea. If you have diarrhea, abdominal pain or other gastrointestinal symptoms and you’re taking iron supplements, consult your health-care provider to make sure that you’re taking the correct amount of iron to meet your nutritional needs.

A raspy, breathy voice may be sexy in the movies, but chronic hoarseness, perhaps along with postnasal drip or a dry cough, could signal a problem known as laryngopharyngeal reflux, or LPR. Acid reflux that reaches your throat and larynx, or voice box, can cause inflammation and ulcers known as vocal cord granulomas.

Acid reflux -- also known as gastroesophageal reflux, acid indigestion or heartburn -- affects more than 60 million people in the United States, according to the American College of Gastroenterology. Although multivitamins aren’t a common trigger, they can aggravate the problem.

The gallbladder serves mostly as a storage unit for bile, which is released from the liver to digest fats so they can be absorbed. During gallbladder surgery, your surgeon removes the gallbladder, usually because it has filled with gallstones.

Anyone who suffers from severe heartburn knows how painful and discomforting the symptoms can be.

Although flatulence is a natural body reaction, it can still cause a person to be socially embarrassed. Flatulence is passing built-up intestinal gases through the anus.

Gallbladder problems occur fairly frequently in people with diabetes, so if you're a diabetic and you've recently had your gallbladder removed, you're not alone. While you tried to cope with your diseased gallbladder before your surgery, you probably needed to cut back on fat in your diet to minimize symptoms.

Numerous conditions may cause sudden, severe perspiration. Perspiring or sweating -- the release of a salty liquid from the body's sweat glands -- helps cool the body and is an essential body function.

Your digestive system is essentially one long tube that starts at your mouth and ends at your anus. Organs such as the stomach and large and small intestines digest and process the food you eat. Organs outside the digestive tract also play a part in digestion.

Redness on your face after you eat may be the result of a hypersensitivity to hot or spicy foods, or it may be a sign of a more serious medical condition. Facial flushing occurs when the blood vessels in your face suddenly dilate, causing more blood flow and blood to rise to the surface of the skin.