Corneal Melt Associated with Subcutaneous Allergen Immunotherapy

Corneal Melt and Allergen Immunotherapy

Authors

  • John Hsu Duke University School of Medicine
  • C. Ellis Wisely
  • Amol Sura

DOI:

https://doi.org/10.62856/djcro.v10.84

Keywords:

allergies, corneal melt, immunologic trigger, subcutaneous allergen immunotherapy, peripheral ulcerative keratitis

Abstract

Subcutaneous allergen immunotherapy (SCIT) is not typically associated with serious ocular complications. We report a 53-year-old male who developed corneal melt and was diagnosed with peripheral ulcerative keratitis (PUK) in the setting of SCIT for severe seasonal allergies. The patient presented with bilateral eye pain, redness, and photophobia following immunotherapy injections, with examination revealing a peripheral corneal melt in the right eye with thinning, neovascularization, and conjunctival overgrowth. Infectious and autoimmune workup was noncontributory. Treatment with oral and topical steroids and periocular tacrolimus was initiated, though incompletely effective. SCIT was then discontinued, resulting in resolution of the epithelial defect and ocular inflammation. We propose that SCIT acted as an immunologic trigger for corneal melt, potentially through a hyperreactive immune response and immune complex deposition in limbal vasculature. This case highlights the importance of monitoring for ocular complications during allergen immunotherapy and broadening the differential for corneal melt to include any potential immunologic disturbances.

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Published

2026-06-18

How to Cite

Hsu, J., Wisely, C. E., & Sura, A. (2026). Corneal Melt Associated with Subcutaneous Allergen Immunotherapy: Corneal Melt and Allergen Immunotherapy. Digital Journal of Case Reports in Ophthalmology, 11. https://doi.org/10.62856/djcro.v10.84

Issue

Section

Cornea/Cataract