Lactulose is a man-made sugar, commonly used as a stool softener to treat constipation. Lactulose contains lactose and is not recommended for use by people who have been diagnosed with lactose intolerance.

Food poisoning and gastroenteritis are commonly confused conditions because both conditions cause the same symptoms: vomiting, nausea and diarrhea after eating contaminated food or water.

Stomach pain and discomfort are among the top reasons people seek emergency medical care. In fact, a Centers for Disease Control and Prevention survey between the years 1999 to 2008 found that visits to the emergency room for abdominal pain increased nearly 32 percent.

Acid reflux can be a chronic condition that requires watching everything you eat and drink to manage your symptoms. Each case of acid reflux is different, and you will have to experiment with your diet to find out if salt or other foods are personal triggers.

Inflammation is the body's nonspecific response to a wide variety of abnormalities. The inflammatory response includes increased blood flow through and leakiness of the blood vessels at the site of the abnormality. White blood cells enter the site and attack the provocative agents.

Rectal prolapse occurs when the tissue lining the rectum collapses into, or extends through, the anal opening. It most often happens following a bowel movement, resulting in a mass protruding from the anus. The rectal tissue lining may show, and it may bleed slightly.

When you sit down to enjoy a meal you’re expecting to have a pleasurable experience, but if you develop pain and a stomachache, you may avoid eating. Neck and back pain combined with a stomachache after eating is most likely minor symptoms of a food allergy.

Hemorrhoids, or piles, are twisted, swollen, varicose veins that occur in the anus and rectum. They are due to straining or pressure in the lower abdomen and though more common following childbirth or constipation, they can also result from working with weights.

For patients without a family history of colorectal cancer, routine colonoscopy screening should begin at age 50, advises the National Digestive Diseases Information Clearinghouse. During this testing procedure, a doctor uses a thin, lighted tube called a colonoscope to examine the inside of the colon.

Baking soda is a common household ingredient, but it is also a chemical compound that reacts with many things. Baking soda, or sodium bicarbonate, is often used as a home remedy for stomach gas because it reacts with stomach acid to produce carbon dioxide, another gas.

If you have severe hunger pains after eating, it may be a sign that something is not quite right. While certain medical conditions such as ulcers and uncontrolled diabetes can cause you to feel this way, sometimes the hunger is caused by irregular eating habits, drugs or other medical conditions.

Unexplainable stomach pain after every meal is a concerning symptom that may alarm you. If you develop chronic stomach pain every time you eat, you need to see a gastroenterologist to determine the cause.