Mountain cedar allergy: A review of current available literature

Ann Allergy Asthma Immunol. 2022 Jun;128(6):645-651. doi: 10.1016/j.anai.2021.09.019. Epub 2021 Sep 25.


Objective: To review the literature related to mountain cedar in terms of allergic disease and societal impact.

Data sources: English-language articles obtained through PubMed searches with relevance to mountain cedar allergies.

Study selections: Articles with the following search terms were included: mountain cedar, Juniperus ashei, juniper, allergy, pollen, cedar fever, Jun a 1, and San Antonio.

Results: A total of 61 relevant articles were selected regarding mountain cedar and its distribution, phylogenetics, allergens, potency, cross-reactivity, pollen counting and monitoring, symptoms, diagnosis, treatment, and future research.

Conclusion: Mountain cedar remains a major cause of allergic rhinoconjunctivitis in the south central United States during the winter months. Key treatment strategies involve a combination of allergen avoidance, pharmacologic therapy, and subcutaneous immunotherapy. Allergists can help affected patients in their management of "cedar fever."

Publication types

  • Review

MeSH terms

  • Allergens
  • Humans
  • Hypersensitivity*
  • Immunoglobulin E
  • Juniperus*
  • Pollen


  • Allergens
  • Immunoglobulin E