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Lotilaner ophthalmic solution 0.25% in the treatment of Demodex blepharitis: A case report

Karpecki P, Ayres B, Donnenfeld E, Farid M, Gaddie IB, Gupta PK, Koetting C, Lindstrom R et al.

SAGE open medical case reports, 2026

Abstract

Demodex blepharitis is a chronic inflammatory ocular condition caused by Demodex mite infestation of the eyelid that can negatively impact quality of life. Currently, lotilaner ophthalmic solution 0.25% is the only FDA-approved treatment for Demodex blepharitis. The Demodex Expert Panel on Treatment and Eyelid Health has established consensus that lotilaner ophthalmic solution 0.25% should be considered the preferred first-line treatment for Demodex blepharitis. We report a patient who presented with collarettes, the pathognomonic sign of Demodex blepharitis, meibomian gland dysfunction, and poor visual acuity. The patient also had a history of neovascular age-related macular degeneration. Consistent with the Demodex Expert Panel on Treatment and Eyelid Health consensus recommendations, the patient was treated with lotilaner ophthalmic solution 0.25%, lid scrubs, and warm compresses. At the 2-month follow-up, collarettes had resolved, and signs of meibomian gland dysfunction had improved. This case supports the Demodex Expert Panel on Treatment and Eyelid Health recommendation that lotilaner ophthalmic solution 0.25% should be considered the preferred first-line treatment for Demodex blepharitis.

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