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Oral allergy syndrome (OAS) or pollen-food allergy syndrome (PFAS) is a type of allergy classified by a cluster of allergic reactions in the mouth and throat in response to eating certain (usually fresh) fruits, nuts, and vegetables. It typically develops in adults with hay fever. [1] It is not usually serious. [2]
Respiratory symptoms, Anaphylaxis, oral allergy syndrome, gastrointestinal symptoms, rhinitis, conjunctivitis Shellfish allergies are highly cross reactive, but its prevalence is much higher than that of fish allergy. Shellfish allergy is the leading cause of food allergy in U.S adults. [31]
It is a hypersensitivity to ingesting compounds in soy (Glycine max), causing an overreaction of the immune system, typically with physical symptoms, such as gastrointestinal discomfort, respiratory distress, or a skin reaction. [2] [3] Soy is among the eight most common foods inducing allergic reactions in children and adults. [1]
Runny or congested nose [11] Hoarse voice [11] Wheezing and/or shortness of breath [11] Diarrhea, abdominal pain, and/or stomach cramps [11] Lightheadedness [11] Fainting [11] Nausea [11] Vomiting [11] In some cases, however, onset of symptoms may be delayed for hours. [11] Symptoms can vary. The amount of food needed to trigger a reaction also ...
A deficiency in digestive enzymes can also cause some types of food intolerances. Lactose intolerance is a result of the body not producing sufficient lactase to digest the lactose in milk; [ 25 ] [ 26 ] dairy foods which are lower in lactose, such as cheese, are less likely to trigger a reaction in this case.
A low-FODMAP diet is a person's global restriction of consumption of all fermentable carbohydrates (), [1] recommended only for a short time. A low-FODMAP diet is recommended for managing patients with irritable bowel syndrome (IBS) and can reduce digestive symptoms of IBS including bloating and flatulence.
Fructose is absorbed in the small intestine without help of digestive enzymes. Even in healthy persons, however, only about 25–50 g of fructose per sitting can be properly absorbed. People with fructose malabsorption absorb less than 25 g per sitting. [6] Simultaneous ingestion of fructose and sorbitol seems to increase malabsorption of ...
Symptoms of intestinal fluke infections can range from mild to severe symptoms depending on the length of time that the parasite spends in the body. Signs and symptoms that arise in infected organisms include headache , indigestion problems such as diarrhoea , high temperature, and pain in the abdomen which can also lead to malnutrition as the ...