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Symptoms may include abdominal pain, bloating, diarrhea, flatulence, and nausea. [1] These symptoms typically start thirty minutes to two hours after eating or drinking something containing lactose, [1] with the severity typically depending on the amount consumed. [1] Lactose intolerance does not cause damage to the gastrointestinal tract. [2]
The majority of children outgrow milk allergy by the age of ten. [3] [20] One large clinical trial reported resolutions of 19% by age 4 years, 42% by age 8 years, 64% by age 12 years, and 79% by 16 years. [9] Children are often better able to tolerate milk as an ingredient in baked goods relative to liquid milk.
Some types of food allergies among children resolve with age, including those to milk, eggs, and soy; while others such as to nuts and shellfish typically do not. [2] In the developed world, about 4% to 8% of people have at least one food allergy. [1] [2] They are more common in children than adults and appear to be increasing in frequency. [2]
Five NHS hospitals so far are taking part in the £2.5 million clinical trial thanks to funding from the Natasha Allergy Research Foundation.
The prognosis of children diagnosed with intolerance to milk is good: patients respond to diet which excludes cow's milk protein and the majority of patients succeed in forming tolerance. [58] Children with non-IgE-mediated cows milk intolerance have a good prognosis, whereas children with IgE-mediated cows milk allergy in early childhood have ...
Gee acknowledged earlier descriptions and terms for the disease and adopted the same term as Aretaeus (coeliac disease). He perceptively stated: "If the patient can be cured at all, it must be by means of diet." Gee recognised that milk intolerance is a problem with coeliac children and that highly starched foods should be avoided.
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 ]
An allergen is an otherwise harmless substance that triggers an allergic reaction in sensitive individuals by stimulating an immune response.. In technical terms, an allergen is an antigen that is capable of stimulating a type-I hypersensitivity reaction in atopic individuals through immunoglobulin E (IgE) responses. [1]