Cow’s milk reactions refer to various conditions triggered by consuming cow’s milk, including cow’s milk intolerance, cow’s milk allergy, and lactose intolerance. Cow’s milk intolerance involves difficulty digesting milk proteins, often leading to digestive discomfort. Cow’s milk allergy is an immune response that can cause more severe symptoms. Lactose intolerance is caused by the inability to digest lactose, the natural sugar found in milk. Each condition varies in cause, symptoms, and treatment.

Cow’s milk intolerance involves digestive issues due to difficulty processing cow’s milk, whereas an allergy triggers an immune response, potentially causing more serious reactions.
Common Symptoms of Cow’s Milk Intolerance:
Common Symptoms of Cow’s Milk Allergy:
In the UK, lactose intolerance is relatively common, affecting about 5% of the population, primarily adults. This contrasts with cow’s milk allergy, which is less common and mostly seen in children, with most outgrowing it by age five. Food intolerances in general, including lactose intolerance, are more prevalent than food allergies.
Milk allergy involves an immune response to proteins in milk, intolerance is difficulty digesting milk without an immune reaction, and lactose intolerance specifically relates to difficulty processing lactose in milk.
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GetTested’s Allergy Test Medium is our most extensive allergy test, designed to evaluate your sensitivity (IgE antibodies) to a wide range of 90 allergens. This includes an array of foods, pollen types, animal dander, mold varieties, and specific substances such as latex and bee venom. Conducted in a laboratory with ISO certification, this test stands out for its detailed analysis, all from a sample collected by you at home. Scroll down to see all items tested.
Histamine intolerance symptoms often resemble allergic reactions. Unsure if it’s an allergy or intolerance? In addition to histamine intolerance test, we also offer tests evaluating 40, 80, or 240 foods to help clarify.
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GetTested’s Allergy Test Small measures 38 different items, covering 95% of the most common allergies. An allergic reaction does not always trigger severe symptoms; it can also cause milder or more diffuse symptoms, such as a runny nose or a rash. This home test is analysed at a professional, ISO-certified lab. You perform the test at home using a simple blood finger test.
Please note that histamine intolerance can cause symptoms similar to an allergic reaction. For those who want to test their food intolerances as well, consider our extended test, which assesses a total of 78 food and non-food items.
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Do you have hypersensitivity to certain foods? Symptoms of food intolerance, unlike instant allergic reactions, can occur hours to days later, making it difficult to connect symptoms with the foods you’ve eaten. GetTested’s Food Intolerance Test analyses IgG4 antibodies for 80 different foods commonly involved in hypersensitivity reactions.
For those concerned about coeliac disease, we offer a simple Coeliac/Gluten Intolerance Test, which is distinct from the gluten sensitivity measured in this test. Additionally, if you suspect lactose intolerance—specifically sensitivity to milk sugar—our Lactose Intolerance Test, an exhalation test that measures hydrogen and methane, may be appropriate.
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