Localized Cutaneous Reaction to Chlorhexidine After Lumbar Trigger Point Injections: A Case Report.

Authors

Sai S Maddike, Timothy M Dang, Niketa Parikh, Collaborators

Published in

A&A practice. Volume 20. Issue 7. Pages e02235. Jul 01, 2026. Epub Jul 01, 2026.

Abstract

We describe the case of a 38-year-old patient who developed a delayed localized cutaneous hypersensitivity reaction after she underwent lumbar trigger point injections (TPIs). This patient had undergone numerous TPIs in the past without adverse reactions. Notably, she had one prior similar episode; in both episodes, a larger volume of chlorhexidine was used during skin preparation. These findings suggest that the combined effects of a longer dry time and inadvertent subcutaneous chlorhexidine exposure were the likely drivers of these reactions. This case presents a unique manifestation of chlorhexidine hypersensitivity via subcutaneous introduction.

PMID:
42390855
Bibliographic data and abstract were imported from PubMed on 02 Jul 2026.

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