New Criteria To Diagnose and Treat Pollen Food Syndrome


It’s meant to enrich the British Society of Allergy and Scientific Immunology (BSACI) guideline on tree nut and peanut allergy, and in addition present an introduction to different plant meals allergic reactions resembling non-specific lipid switch proteins (LTP).

Sometimes, PFS presents as reported reactions solely to uncooked/raw plant meals, though some people might react to roasted peanut and/or tree nuts.

Signs often happen instantly or inside 5-15 min of consuming, and sometimes embody tingling, itching, or soreness within the mouth, throat, or ears and/or gentle angioedema of lips and oral mucosa.


Sufferers can also expertise itchy fingers/sneezing/eye signs when peeling potatoes or different root greens. Generally slight swelling of the tongue or/ pharynx, rash across the mouth and gentle cough, and sometimes eye/nasal signs, stomach ache, and nausea might happen[2].

A prognosis of PFS is related to a bigger pores and skin prick take a look at (SPT). Solely these meals reported to impress signs ought to be examined.

An oral meals problem (OFC) isn’t required for the prognosis of PFS, besides when historical past and diagnostic assessments are inconclusive, there’s a urgent have to eradicate pointless dietary restrictions or alleviate anxiousness within the affected person and their household.

How To Handle Pollen Meals Syndrome?

Solely the particular uncooked plant meals which set off signs ought to be averted. Antihistamines are advisable to deal with signs in case of publicity and are typically enough for people who’ve gentle signs.

Everybody with a prognosis of PFS will profit from particular person dietary counseling from a certified dietitian, however that is crucial for individuals who report a number of meals triggers, have a concomitant main meals allergy, or have already got dietary restrictions because of spiritual/private causes.

The rule notes that it is important to tell apart PFS from a main allergy to peanuts, tree nuts, or fruit. Administration focuses on avoiding identified set off meals, which can look like easy, however will be tough if coupled with a pre-existing meals allergy, or for people following a vegetarian/vegan food regimen.

Extra research on the impact of PFS on health-related high quality of life are wanted to dispel the parable that as a result of it often manifests with gentle signs, PFS is definitely managed, and doesn’t adversely have an effect on the person[3].

The variety of meals and concern about new meals triggers means dietary restrictions are sometimes overly strict, so extra analysis on novel therapies of PFS, together with meals immunotherapy, must be undertaken.

References :

  1. 1.Carlson G, Coop C. Pollen meals allergy syndrome (PFAS): a assessment of at the moment accessible literature. Ann Allergy Bronchial asthma Immunol. 2019 (
  2. 2. Skypala, IJ, Hunter, H, Krishna, MT, et al. BSACI guideline for the prognosis and administration of pollen meals syndrome within the UK. Clin Exp Allergy. 2022; ( DOI: 10.1111/cea.14208)
  3. 3. 3. Evans KRK. Dwelling with extreme meals allergy. Psychologist. 2014 (
  4. Supply: Medindia


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