- Gastroenteritis
Gastroenteritis is inflammation of the stomach and intestine that causes diarrhea and vomiting.
- Irritable bowel syndrome
Irritable bowel syndrome is a common condition that causes painful spasms and cramping in the large intestine.
- Lactose intolerance
Lactose intolerance, or the inability to digest lactose, leads to gas, bloating, and other symptoms.
- Food poisoning
Food poisoning can cause abdominal pain, diarrhea, nausea, vomiting, fever, chills, and weakness.
- Traveler's diarrhea
Traveler's diarrhea causes watery diarrhea and cramps, sometimes with a low-grade fever.
- Viral gastroenteritis
Gastroenteritis (stomach flu) is a viral condition that causes diarrhea and vomiting.
- Medication reaction or side-effect
Medication side effects include nausea, vomiting, stomach upset, weakness, dizziness, seizures, and more.
- Ulcerative colitis
Ulcerative colitis causes swelling in the large intestine and can lead to cramping, diarrhea, and more.
- Celiac disease
Celiac disease, which is an intestinal reaction to gluten, can cause gas, diarrhea, bloating, and weight loss.
- Crohn's disease
Crohn's disease is a digestive condition that causes swelling, cramping, diarrhea, and nutritional problems.
- Cystic fibrosis
Cystic fibrosis is an inherited disease that causes the body to produce abnormally thick and sticky mucus.
- Colon cancer
Colon cancer is often asymptomatic, but it can cause constipation, bowel obstruction, bloody stool and more.
- Heartburn/GERD
Symptoms of heartburn and GERD are a burning feeling in the chest, throat, or mouth, nausea, and more.
- Indigestion
Indigestion is pain and burning in the upper abdomen, an feeling of fullness after a meal, belching, and gas.
- Overeating
Overeating is eating when you're not hungry or to the point of feeling uncomfortably full or bloated.
- Antibiotic use
Antibiotics can cause stomach pain, diarrhea, nausea, vomiting, itching, rashes and dizziness.
- Campylobacter
Campylobacter is an intestinal infection causing abdominal pain and cramping, nausea, diarrhea, and vomiting.
- Dietary changes
Symptoms of dietary changes vary depending on the problem, they include constipation, diarrhea, and more.
- Drug overdose
A drug overdose can be fatal and causes sleepiness, confusion, coma, vomiting, and other symptoms.
- Inflammatory bowel disease
Inflammatory bowel disease causes swelling and symptoms such as cramping, chronic diarrhea, and bleeding.
- Iron poisoning
Iron poisoning causes abdominal pain, vomiting, diarrhea, lethargy, and dehydration.
- Sickle cell disease
Sickle cell disease symptoms include repeated infections, yellow skin, fatigue, dizziness, pain, and more.
- Amebiasis
Amebiasis is an intestinal parasitic infection causing diarrhea, cramps, gas, fever, and fatigue.
- Eating certain foods
Certain foods can cause unusual and sometimes unpleasant side effects, such as bad breath and heartburn.
- Diverticulosis
Diverticulosis is a condition of the colon and causes pain, cramping, infection, bleeding, and other symptoms.
- Giardiasis
Giardiasis is an infection of the small intestine causing diarrhea, gas, bloating, nausea and stomach cramps.
- Hiatal hernia
When hiatal hernia symptoms do occur, they include chest pain and burning, sweating, a bitter taste and more.
- Hyperthyroidism
Hyperparathyroidism can cause fatigue and weakness, increased thirst, impaired thinking, and bone fractures.
- Colon polyps
Colon polyps are growths that form in the lining of the colon, and can cause constipation, diarrhea and more.
- Antibiotic-associated diarrhea
Antibiotic-associated diarrhea is frequent, watery bowel movements that happen after taking antibiotics.
- Rotavirus
Rotavirus is an inflammation of the stomach and intestines leading to diarrhea and vomiting.
- Salmonella
Salmonella are a type of bacteria that can infect the body and cause diarrhea, cramps, and fever.
- Shigellosis
Shigellosis is irritation of the stomach and intestine and causes bloody diarrhea, abdominal pain, and fever.
- Stool holding (encopresis)
Young children with encopresis soil their underwear or clothing with unintentional bowel movements.
- Typhoid fever
Typhoid fever is a life-threatening illness and causes fever, general aches and pains, headache, and weakness.
- Mesenteric lymphadenitis
Mesenteric lymphadenitis is an inflammation of abdominal lymph nodes causing pain, diarrhea, fever, and more.
- Toxic shock syndrome
Toxic shock syndrome is a serious bacterial infection and causes fever, low blood pressure, a rash, and more.
- Ricin poisoning
Ricin is a dangerous poison in castor beans, and causes trouble breathing, nausea, fever and sweating.
- Radiation sickness
Radiation sickness is caused by a high dose of radiation, and causes vomiting, diarrhea, hair loss, and more.
- Cholera
Cholera is a bacterial infection that can cause diarrhea, nausea, excessive thirst, dry skin and vomiting.
- Carcinoid syndrome
Carcinoid syndrome is a group of symptoms such as flushing, wheezing, and diarrhea that may develop in people who have carcinoid cancer.
