Lactose intolerance is a common problem where a person's digestive system cannot digest lactose. Signs and symptoms include:
There are several tests to diagnose lactose intolerance. Treatment is generally made with dietary changes, supplements, and adaptation to small amounts of milk.Read more: Lactose Intolerance Article
Multimedia: Slideshows, Images & Quizzes
Stomach Pain Quiz: Nausea & Other Causes
Tummy Troubles? Get a better idea of what's causing the nausea, vomiting, bloating, gas, constipation, diarrhea, pain, and other...
Picture of Stomach
The stomach is a muscular sac located on the left side of the upper abdomen. See a picture of the Stomach and learn more about...
Vegetarian Diet: Tasty, Basic Choices in Pictures
Thinking about becoming a vegetarian? Compared to the general population, the typical vegetarian has a lower body mass index...
What Is Osteoporosis? Treatment, Symptoms, Medication
Osteoporosis is a disease characterized by low bone mass and density. Osteoporosis causes symptoms of weak, thin, fragile bones....
Super Tips to Boost Digestive Health: Bloating, Constipation, and More
Upset stomach? Some foods may be the culprits, and bad habits may be to blame. Treat your body right with these simple nutrition...
What's Causing Your Abdominal Pain?
Get the facts on the most common causes of abdominal pain. Learn the difference between a stomachache and more serious causes of...
Worst Foods for Digestion
Discover which foods to avoid in order to prevent diarrhea and digestive problems. Find out which foods can trigger diarrhea and...
Digestive Health: Why Am I Bloated?
Bloating is a sign and symptom of gas in the stomach or GI tract. Certain foods or health problems like constipation may cause...
Related Disease Conditions
Crohn's Disease (Symptoms, Causes, Diet, Treatment, Life Expectancy)
Crohn's disease is a chronic inflammatory disease, primarily involving the small and large intestine, but which can affect...
Intestinal Gas (Belching, Bloating, Flatulence)
Anal itching is the irritation of the skin at the exit of the rectum, known as the anus, accompanied by the desire to scratch....
Irritable Bowel Syndrome (IBS) Symptoms, Diet, Treatment, and Test
Irritable bowel syndrome (IBS) is a GI (gastrointestinal) disorder with signs and symptoms of: Abdominal...
Learn about osteoporosis, a condition characterized by the loss of bone density, which leads to an increased risk of bone...
Celiac disease is a condition in which a person has inflammation of the small intestinal mucosa when exposed to gluten in the...
Diarrhea (Causes, Medicine, Remedies, Treatment)
Diarrhea is a change is the frequency and looseness of bowel movements. Symptoms associated with diarrhea are cramping, abdominal...
Abdominal Pain (Causes, Remedies, Treatment)
Abdominal pain can have many causes that range from mild to severe. Some of these causes include bloating, gas,...
Bad breath can result from poor oral hygiene habits and may be a sign of other health problems. Bad breath, also called...
The most common food allergies are to eggs, nuts, milk, peanuts, fish, shellfish, strawberries and tomatoes. Symptoms and signs...
Birth Control Options (Types and Side Effects)
Birth control is available in a variety of methods and types. The method of birth control varies from person to person, and...
Indigestion (Dyspepsia, Upset Stomach Pain) Symptoms, Relief Remedies, Medicine
Indigestion (dyspepsia) can be caused by diseases or conditions that involve the gastrointestinal (GI) tract, and also by some...
The Digestion Process (Organs and Functions)
Digestion is the complex process of turning the food you eat into the energy you need to survive. The digestive process also...
Nausea and Vomiting (Causes, Natural Remedies, Diet, Medication)
Nausea is an uneasiness of the stomach that often precedes vomiting. Nausea and vomiting are not diseases, but they are symptoms...
SIBO (Small Intestinal Bacterial Overgrowth)
Small intestinal bacterial overgrowth (SIBO) refers to a condition in which abnormally large numbers of bacteria (at least...
Juvenile Bone Health
Setting a good example for your children when it comes to diet and exercise will help them to make healthy decisions about...
Ulcerative Colitis Diet
An ulcerative colitis diet plan can help a person with the disease avoid foods and drinks that trigger flares. There also are...
Local ResourcesFind a local Gastroenterologist in your town
Treatment & Diagnosis
Medications & Supplements
Prevention & Wellness
- Health Tip: Recognizing Symptoms of Lactose Intolerance
- Stomach Troubles Not Linked to Autism, Study Finds
- Are the Lactose Intolerant Safer From Some Cancers?
- Raised Risk of Heart Trouble Seen in Celiac Disease Patients
- Health Tip: Lactase May Be Hiding in Food
- Health Tip: Lactose May Be Hiding in Food
- Health Tip: Signs That May Warn of Lactose Intolerance
- Health Tip: If You're Lactose Intolerant
- Raw Milk Causes Most Illness From Dairy Products: CDC
- Celiac, Crohn's Disease Share Common Genetic Links
- Lactose Intolerance: Too Little Is Known
Subscribe to MedicineNet's General Health Newsletter