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Lactose intolerance is caused by a lessened ability or a complete inability to digest lactose, a sugar found in dairy products. [1] Humans vary in the amount of lactose they can tolerate before symptoms develop. [1] Symptoms may include abdominal pain, bloating, diarrhea, flatulence, and nausea. [1] These symptoms typically start thirty minutes ...
The treatment consists of antihistamines, fluids, and supportive measures. [12] [16] [13] Histamine intolerance, in contrast, is a presumed disorder that affects individuals who are supposed have a reduced or impaired activity of the histamine-degrading enzymes, either due to genetic factors, medications, or gastrointestinal diseases.
Gastroenterology, immunology. Food intolerance is a detrimental reaction, often delayed, to a food, beverage, food additive, or compound found in foods that produces symptoms in one or more body organs and systems, but generally refers to reactions other than food allergy. Food hypersensitivity is used to refer broadly to both food intolerances ...
These gases are the cause of abdominal pain and other symptoms. [38] [41] Lactose intolerance does not cause damage to the gastrointestinal tract. [42] There are four types: primary, secondary, developmental and congenital. [43] Primary lactose intolerance is caused by decreasing levels of lactase brought on by age. [43]
Pain tolerance. Pain tolerance is the maximum level of pain that a person is able to tolerate. Pain tolerance is distinct from pain threshold (the point at which pain begins to be felt). [1] The perception of pain that goes in to pain tolerance has two major components. First is the biological component—the headache or skin prickling that ...
Lactase persistence or lactose tolerance is the continued activity of the lactase enzyme in adulthood, allowing the digestion of lactose in milk. In most mammals, the activity of the enzyme is dramatically reduced after weaning. [ 1 ] In some human populations though, lactase persistence has recently evolved [ 2 ] as an adaptation to the ...
Frequency. ~6% (developed world) [1][2] A food allergy is an abnormal immune response to food. The symptoms of the allergic reaction may range from mild to severe. They may include itchiness, swelling of the tongue, vomiting, diarrhea, hives, trouble breathing, or low blood pressure. This typically occurs within minutes to several hours of ...
Pain scale. A Chinese pain scale diagram, rating pain on a scale of 1 to 10. A pain scale measures a patient 's pain intensity or other features. Pain scales are a common communication tool in medical contexts, and are used in a variety of medical settings. Pain scales are a necessity to assist with better assessment of pain and patient screening.