Indigestion (Upset Stomach) : Indigestion (dyspepsia, non-acid dyspepsia) is a description for a feeling of fullness and/or discomfort in the upper abdomen. Symptoms of indigestion can include heartburn, belching, bloating, and nausea. Causes of indigestion can be disease, conditions, medication, and lifestyle factors. Treatment of indigestion depends on the cause.

Read the Indigestion Main Article

Doctor's Notes on Indigestion Symptoms

Must Read Articles:

Abdominal Pain in Adults

Learn about causes, symptoms, and treatment of abdominal pain in adults and when to seek medical care for related conditions such as pancreatitis, diverticulitis, Crohn's disease, ulcerative colitis, and more.
Acid Reflux Disease (GERD)

Acid reflux (GERD) is a condition in which the acid contents of the stomach go back up into the esophagus. Learn about symptoms, home remedies, treatment, and foods to avoid.
Pancreatitis

Pancreatitis is inflammation of the pancreas, and the condition has two types, chronic and acute. Learn about causes, symptoms, and treatment.
Appendicitis

The cause of appendicitis is not clear. Common symptoms of appendicitis include vague abdominal pain, nausea, vomiting, fever, constipation, diarrhea. Some people have no symptoms of appendicitis. Treatment for appendicitis is generally an appendectomy (removal of the appendix).
Constipation in Children

Constipation in infants and children affects up to 10% of children at any given time. Causes of constipation in infants and children include a wilfulness to avoid the toilet, prior painful or frightening experiences that make them avoid the bathroom, a concern for lack of privacy in public restrooms, changes in diet, dehydration, and several medical disorders. Symptoms of constipation in infants and children include vague abdominal pain, vomiting, decreased appetite, urinary tract infections (UTIs), urinary incontinence, frequent urination, and bedwetting. Home remedies and self-care at home is possible with mild constipation, however, it may be necessary for the affected infant or child to see a pediatrician or other healthcare professional.
Anatomy Involved in Crohn Disease

Crohn's disease is an inflammatory bowel disease (IBD), and any part of the digestive tract can be involved (from the mouth to the anus). Symptoms of Crohn's disease include bloating, constipation, and pain or bleeding with a bowel movement (rectal bleeding). Crohn's disease can cause complications in the digestive system. Nutritional complications are common in people with Crohn's disease.
Flatulence (Gas)

Flatulence (gas) is a normal bodily function. Excess gas may be produced by swallowing excess air, problems in the breakdown of undigested foods, lactose deficiency, malabsorbtion problems, and bowel habits such as parasites, poor dietary fiber, cancer, diverticulitis, thyroid problems, narcotic and other drug use.
Food Allergy

For someone with a food allergy, eating or swallowing even a tiny amount of a particular food can cause symptoms such as skin rash, nausea, vomiting, cramping, and diarrhea. The best way to prevent a food allergy is to avoid the foods one is allergic to.
Gastritis

Gastritis is an irritation or inflammation of the lining of the stomach caused by a variety of things such as medications, supplements, medical and surgical conditions, infections, stress, smoking, and alcohol consumption. Symptoms of gastritis include pain in the upper portion of the abdomen, belching, nausea, vomiting, bloating, and a feeling of fullness. Treatment of gastritis depends upon the cause.
Gastroesophageal Reflux Disease (GERD) FAQs

Acid reflux (GERD) is caused by lifestyle factors (alcohol, obesity), medication, diet, medical conditions, and eating habits. Symptoms of acid reflux (GERD) include bad breath, hoarseness, chronic cough, bitter taste in the mouth, wheezing, and a feeling of tightness in the throat. Treatment of acid reflux include lifestyle modifications and medication.
Heartburn FAQs

Heartburn FAQ including information about the causes of heartburn, lifestyle changes to reduce heartburn, OTC and prescription medications to decrease heartburn, surgery options for heartburn, and ways to prevent heartburn.
Hiatal Hernia

Obesity, coughing, constipation, smoking, poor posture, and heavy lifting can cause a hiatal hernia. Learn about symptoms, treatment, and surgery.
Irritable Bowel Syndrome

Irritable bowel syndrome (IBS) is a chronic gastrointestinal and functional bowel disorder causing diarrhea, abdominal pain, cramps, bloating, and gas. Learn about treatment options.
Lactose Intolerance

Lactose intolerance is a condition in which milk and milk products (lactose products) are not digestible. Lactose intolerance is caused by a deficiency of lactase in the intestinal wall. Lactose intolerance may appear gradually after childhood. However, the condition can be present at birth. Common symptoms of lactose intolerance include: gas, bloating, abdominal pain, diarrhea, and nausea. The treatment for lactose intolerance are dietary changes to exclude products that contain lactase.
Abdominal Pain in Children

Abdominal pain in children can range from trivial to life-threatening. Symptoms of abdominal pain range from vomiting, diarrhea, fever, groin pain, urinary problems, or skin rash. The location of the abdominal pain may be around the belly button, occurs only at night, while eating. The pain pain also may be intermittent. Treatment of abdominal pain in children is depends on the cause. Possible causes of abdominal pain in children include infections, food related (food allergy or food poisoning), poisoning from medication, food, household products, appendicitis, diabetes, or spider bites.
Vomiting and Nausea

Vomiting and nausea are common complaints that accompany many conditions and diseases. A few common causes of vomiting and nausea include food poisoning, viruses, vertigo, head injuries, gallbladder disease, appendicitis, migraine, brain tumors, and infections. Treatment of vomiting and nausea depend on the cause of the symptoms.

Featured:

Flatulence (Gas) Flatulence (gas) is a normal bodily function. Excess gas may be produced by swallowing excess air, problems in the breakdown of undigested foods, lactose deficiency, malabsorbtion problems, and bowel habits such as parasites, poor dietary fiber, cancer, diverticulitis, thyroid problems, narcotic and other drug use.

Expert Views and News

Indigestion (Upset Stomach) Topic Guide - Visuals

Indigestion (Upset Stomach) Topic Guide - Medications and Vitamins

Medications:

Esomeprazole

Esomeprazole is used to treat symptoms of gastroesophageal reflux disease (GERD) and other conditions involving excessive stomach acid such as Zollinger-Elli...learn more »

Rabeprazole

Rabeprazole is used short-term to treat symptoms of gastroesophageal reflux disease (GERD) in adults and children who are at least 1 year old...learn more »

Belladonna Alkaloids And Phenobarbital

This medicine is made up of belladonna alkaloids (atropine, hyoscyamine, scopolamine) and phenobarbital...learn more »

Bismuth Subsalicylate

Bismuth subsalicylate is used to treat diarrhea, nausea, heartburn, indigestion, gas, or upset stomach...learn more »

Aluminum Hydroxide

Aluminum is a naturally occurring mineral. Aluminum hydroxide is an antacid...learn more »

Sodium Bicarbonate

Sodium bicarbonate is an antacid that neutralizes stomach acid...learn more »

Erythromycin

Erythromycin is an antibiotic that is used to treat or prevent many different types of infections caused by bacteria...learn more »

Ranitidine

Ranitidine is a histamine-2 blocker that reduces acid in the stomach...learn more »