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Year : 2022  |  Volume : 2  |  Issue : 1  |  Page : 188-189

Inadvertent antihypertensive double dosing with concurrent Tadalafil use - A double whammy on the optic nerve!

Department of Ophthalmology and Vision Sciences, Sunnybrook Health Sciences Center, University of Toronto, Toronto, ON, Canada

Correspondence Address:
Dr. Arun N E Sundaram
Sunnybrook Health Sciences Center, M1202c, 2075 Bayview Avenue, Toronto, Ontario
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijo.IJO_760_21

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Nonarteritic anterior ischemic optic neuropathy (NAION) is the most common acute unilateral optic neuropathy in adults over the age of 50. Nocturnal hypotension has been hypothesized as the potential cause of NAION. Phosphodiesterase type 5 inhibitor (PDE5I) has been a known cause of NAION. We report an interesting case of NAION that was triggered by inadvertent double dosing of antihypertensive medication and concurrent use of a PDE5I.

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