Allergy & asthma

5 surprising allergy triggers

Watch out for these unexpected causes of allergy flare-ups.


LearnInflammationAllergies5 surprising allergy triggers
Spices
Alcohol
Sperm
Sun
Nickel

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You might be quick to blame your spring allergy symptoms on pollen, or your year-round allergies on other usual suspects: mold, dust, or pet dander. But something else you might not expect could be the cause of your sneezing, wheezing, and even skin reactions. Watch out for these five surprising allergy triggers.

Sources: American Academy of Allergy, Asthma & Im... + 18
  1. American Academy of Allergy, Asthma & Immunology. Can Spices Cause Allergic Reactions? Page last reviewed September 28, 2020.
  2. American Academy of Allergy, Asthma & Immunology. Food Allergy. Accessed on April 14, 2023.
  3. Cox AL, Eigenmann PA, Sicherer SH. Clinical Relevance of Cross-Reactivity in Food Allergy. The Journal of Allergy and Clinical Immunology: In Practice. 2021;9(1):82-99.
  4. American Academy of Allergy, Asthma & Immunology. Possible effect of the ingestion of alcohol on allergic rhinitis. Page last reviewed April 17, 2019.
  5. Cleveland Clinic: Alcohol Intolerance. Last reviewed March 24, 2020.
  6. NIH: Genetic and Rare Diseases Information Center. Acute alcohol sensitivity. Accessed July 11, 2023.
  7. American Academy of Allergy, Asthma & Immunology. Out to Eat with Food Allergies? Don’t Forget About Your Drinks. Page last reviewed September 28, 2020.
  8. UpToDate. Allergic Reactions to Seminal Plasma. Page last updated September 22, 2022.
  9. Harvard Health Publishing. Sun Allergy (Photosensitivity). January 3, 2022.
  10. Mayo Clinic. Sun Allergy. August 20, 2022.
  11. Hofmann GA, Weber B. Drug-induced photosensitivity: culprit drugs, potential mechanisms and clinical consequences. J Dtsch Dermatol Ges. 2021 Jan;19(1):19-29.
  12. Guan LL, Lim HW, Mohammad TF. Recognizing photoallergy, phototoxicity, and immune-mediated photodermatoses. J Allergy Clin Immunol. 2022 Apr;149(4):1206-1209.
  13. Oakley AM, Ramsey ML. Polymorphic Light Eruption. StatPearls. Last updated April 14, 2023.
  14. Skin Cancer Foundation. Photosensitivity & Your Skin. Last updated May 2021.
  15. Merck Manual: Consumer Version. Photosensitivity Reactions. Reviewed January 2022.
  16. Cleveland Clinic. Sun Allergy. Last reviewed May 4, 2022.
  17. Haddad SF, Helm MM, Meath B, et al. Exploring the Incidence, Implications, and Relevance of Metal Allergy to Orthopaedic Surgeons. J Am Acad Orthop Surg Glob Res Rev. 2019 Apr 5;3(4):e023.
  18. American Academy of Dermatology Association. Nickel Allergy: How to Avoid Exposure and Reduce Symptoms. Accessed on April 14, 2023.
  19. Sangha AM. Dermatological Conditions in SKIN OF COLOR: Managing Atopic Dermatitis. J Clin Aesthet Dermatol. 2021 Mar;14(3 Suppl 1):S20-S22.
Written by Michael Gollust.
Medically reviewed by Megan Burke, MD.October, 2025
Updated onAugust, 2026
Written by Michael Gollust.
Medically reviewed by Megan Burke, MD.October, 2025
Updated onAugust, 2026
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