Abstract
A 72-year-old man with epiphora secondary to bilateral canalicular stenosis resulting from long-term treatment with 0.125% to 0.25% echothiophate iodide (phospholine iodide) drops for glaucoma underwent bilateral conjunctivodacryocystorhinostomies with Jones' tubes. Within days after undergoing this surgery, he experienced severe unexplained diarrhea, fatigue, weight loss, and prostration. He cancelled his postoperative ophthalmic appointment because of “medical illness.” He required admission to his local hospital where extensive studies were done in an attempt to establish the cause of this life-threatening condition. After stopping the echothiophate iodide drops, all symptoms disappeared within two days. Drug toxicity is a previously unreported complication of conjunctivodacryocystorhinostomy, and this case demonstrates that topical medications have enhanced systemic absorption after lacrimal surgery with placement of fistulizing prosthetic devices. One must be aware of this possible complication, not only with long-acting anticholinesterases, but with topical sympathomimetic drugs (especially in cardiac patients) as well as cycloplegic agents in children.
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