This condition can often be managed in a primary care setting, and this guide has a leaflet specifically designed for use by doctors. This guideline is intended to provide evidence-based diagnostic and management advice, primarily for birch sensitivities, to help stratify patients and optimize use of allergist services. .
It is intended to complement the British Society of Clinical Allergy and Immunology (BSACI) guidance on tree nut and peanut allergies, and provides an introduction to other plant food allergies such as protein. nonspecific lipid transfer (LTP).
How is pollen food syndrome diagnosed?
Typically, PFS presents only reported reactions to raw/undercooked plant foods, although some individuals may react to roasted peanuts and/or tree nuts.
Symptoms usually occur immediately or within 5-15 minutes of eating, and often include tingling, itching, or pain in the mouth, throat, or ears and/or mild angioedema of the lips and oral mucosa.
Patients may also experience symptoms of itchy hands/sneezes/eyes when peeling potatoes or other root vegetables. Occasionally mild swelling of the tongue or/oropharynx, rash around the mouth and mild cough, and occasionally eye/nose symptoms, abdominal pain, and nausea may occur (2✔ ✔Trusted Source
BSACI guidelines for the diagnosis and management of food pollen syndrome in the UK
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The diagnosis of PFS is associated with a larger skin prick test (SPT). Only foods reported to cause symptoms should be tested.
Oral food challenge (OFC) is rarely required to diagnose PFS, except when history and diagnostic tests are inconclusive, unnecessary dietary restrictions should be removed. or reduce anxiety for patients and their families.
How To Manage Pollen Food Syndrome?
Only the specific raw plant foods that cause symptoms should be avoided. Antihistamines are recommended to treat symptoms in the event of exposure and are generally sufficient for people with mild symptoms.
Everyone with a diagnosis of PFS would benefit from personalized dietary advice from a qualified dietitian, but this is required for those reporting multiple food triggers. products, have a food allergy or have had dietary restrictions for religious/personal reasons.
The guidelines note that it is essential to distinguish PFS from an initial allergy to peanuts, tree nuts, or fruits. Management focuses on avoiding known trigger foods, which may seem simple, but can be difficult if combined with pre-existing food allergies or for those following a vegetarian/vegan diet.
More studies on the effects of PFS on health-related quality of life are needed to dispel the myth that because it often presents with mild symptoms, PFS is easily managed and has no adverse effects. to individual (3✔ ✔Trusted Source
Living with a severe food allergy
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The number of foods and concerns about new food triggers mean that dietary restrictions are often too strict, so more research is needed on new treatments for this disease. PFS, including food immunotherapy.
- Pollen food allergy syndrome (PFAS): A review of the available literature – (https://pubmed.ncbi.nlm.nih.gov/31376490/)
- BSACI Guidelines on the diagnosis and management of pollen food syndrome in the UK – (https://pubmed.ncbi.nlm.nih.gov/35975576/)
- Living with a severe food allergy – (https://www.bps.org.uk/psychologist/living-severe-food-allergy)