Lotilaner
Introduction


**Lotilaner**, sold under the brand name **Xdemvy**, is an [ectoparasiticide](/wiki/Ectoparasiticide "Ectoparasiticide") (anti\-parasitic) [medication](/wiki/Medication "Medication") used for the treatment of [blepharitis](/wiki/Blepharitis "Blepharitis") (inflammation of the eyelid) caused by infestation by *[Demodex](/wiki/Demodex "Demodex")* (tiny mites). It is used as an [eye drop](/wiki/Ophthalmic_drug_administration "Ophthalmic drug administration").

It was approved for medical use in the United States in July 2023\. The US [Food and Drug Administration](/wiki/Food_and_Drug_Administration "Food and Drug Administration") (FDA) considers it to be a [first\-in\-class medication](/wiki/First-in-class_medication "First-in-class medication").


How is Lotilaner used for treating blepharitis?