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Latex-fruit syndrome

In the body: An allergy is the immune system reacting to the food.

Not rated by dose: a flag on 5 reviewed foods, among them kiwis, Mango, raw and Pineapple, raw.

For some people. Allergies, medicines and medical conditions: a flag for the people the source names, no wider.

All hazards

The reference value and where it comes from

Reviewed foods that carry it

5 reviewed foods carry it; none is rated by dose.

How often you can eat it

No food here is rated by dose. Each line says why it’s listed: a flag for the people the source names, advice on handling it, or context.

Flags and context, not rated by dose

  • Avocado, raw

    Worth knowing

    American College of Allergy, Asthma and Immunology · grade B

    How it’s rated

    Avocado is named by ACAAI among the foods 'most likely' to cross-react in latex allergy; the Allergy & Asthma Network (advocacy education body) puts it in its high-cross-reactivity group and says 30-50% of people with latex allergy react to foods. Gromek 2024: avocado the leading food in Beezhold 1996 (Canada, n = 47: 27% by history plus skin test, 70% by skin test) and Lavaud 1995 (59%); overall latex-fruit prevalence 4-88% by method; shared class I chitinases (Hev b 11). Not a Health Canada priority allergen.

    Intake: not applicable (flag)

    Measured on: person-specific: natural-rubber-latex allergy

  • Banana, raw

    Worth knowing

    PubMed 39064262 · grade B

    How it’s rated

    Banana is one of the four fruits most often involved in latex-fruit syndrome (review; prevalence among latex-allergic patients 4-88% by method and region). A separate Turkish series of 47 children with a banana reaction history and positive banana IgE reacted in 13% of double-blind challenges.

    Intake: not applicable (flag)

    Measured on: person-specific: natural-rubber-latex allergy

  • Kiwi, raw

    Worth knowing

    PubMed 39064262 · grade B

    How it’s rated

    Flagged for people with a latex allergy: in a 2024 review of latex-fruit syndrome, kiwi is the second most commonly reported causative fruit (3 studies, 2 countries) after banana. Chitinase (a Hev b 11 homologue) is named as a shared allergen group, and in a smaller cohort kiwi triggered symptoms in 5 of 13 patients with features of the syndrome.

    Intake: one 140 g serving a day, 70 kg adult

    Measured on: Latex-fruit syndrome review (Gromek 2024): kiwi is the second most commonly reported causative fruit (3 studies, 2 countries) after banana.

  • Mango, raw

    Context

    PubMed 39064262 · grade B

    How it’s rated

    Shown as context, not rated: relevant only to people with a latex allergy. In a 2024 review of latex-fruit syndrome, mango appears only in a list of other foods that patients have reported reacting to. Mango is not on Health Canada's priority allergen list.

    Intake: one 140 g serving a day, 70 kg adult

    Measured on: Latex-fruit syndrome review (Gromek 2024): mango appears only in a list of other foods that patients with latex-fruit syndrome have reported reacting to; it is not among the most prevalent causative fruits.

  • Pineapple, raw

    Context

    PubMed 39064262 · grade B

    How it’s rated

    Shown as context, not rated, for people with a latex allergy: in a latex-fruit syndrome review (Gromek 2024) pineapple appears only in a list of other foods that patients have reported reacting to, not among the most prevalent causes (banana, kiwi, avocado, papaya). It is not a Health Canada priority allergen.

    Intake: one 140 g serving a day, 70 kg adult

    Measured on: Latex-fruit syndrome review (Gromek 2024): pineapple appears only in a list of other foods that patients with latex-fruit syndrome have reported reacting to; it is not in the review's ranking of the most prevalent causative fruits (banana, kiwi, avocado, papaya).

Sources