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Multiple chemical sensitivity ( MCS ), also known as idiopathic environmental intolerances ( IEI ), is an unrecognized and controversial diagnosis characterized by chronic symptoms attributed to exposure to low levels of commonly used chemicals. [1] [2] Symptoms are typically vague and non-specific. They may include fatigue, headaches, nausea ...
Today there are many methods available such as cytotoxic testing, mediator release testing (MRT), enzyme-linked immunosorbent assay (ELISA) testing, microarray ELISA testing, and ELISA/ACT. Allergy US reviewed these methods and microarray technology appears to be the most reliable.
Hypersensitivity (also called hypersensitivity reaction or intolerance) is an abnormal physiological condition in which there is an undesirable and adverse immune response to antigen. [1] [2] It is an abnormality in the immune system that causes immune diseases including allergies and autoimmunity. It is caused by many types of particles and ...
Skin testing on the arm is a common way for detecting an allergy, but it is not as effective as other tests. Patch test Diagnosis is usually based on a medical history , elimination diet , skin prick test , blood tests for food-specific IgE antibodies , or oral food challenge .
Frequency. 0.5–13% [13] Non-celiac gluten sensitivity ( NCGS) or gluten sensitivity [14] is a controversial disorder which can cause both gastrointestinal and other problems. NCGS is included in the spectrum of gluten-related disorders. [3] [4] The definition and diagnostic criteria of non-celiac gluten sensitivity were debated and ...
Risks of non-medical and self-diagnosed adoption of a gluten-free diet. Withdrawing gluten from the diet without previously carrying out a complete medical examination can hamper the diagnosis of celiac disease. Diagnostic tests (antibodies and duodenum biopsies) lose their usefulness if the person is already eating a gluten-free diet.