Lacrimal canaliculitis caused by Fusobacterium periodonticum: A rare clinical encounter.

Lacrimal canaliculitis is an infection of the lacrimal canaliculus, often caused by bacteria, including species of Actinomyces. This report presents a unique instance of lacrimal canaliculitis instigated by the rare periodontal pathogen, Fusobacterium periodonticum, in a 49-year-old female homemaker. To the best of our knowledge, this is the first documented culture-confirmed case report of lacrimal canaliculitis associated with F. periodonticum.