Acute Iridocyclitis Associated With Intravenous Zoledronic Acid: A Case Report.

Cureus

Endocrinology, Diabetes, and Metabolism, Minneapolis Veteran Affairs Health Care System, Minneapolis, USA.

Published: August 2023

Bisphosphonates are widely used drugs for the management of osteoporosis. Intravenous (IV) zoledronic acid (ZA) is frequently prescribed in cases of oral bisphosphonate intolerance or non-compliance. Well-known immediate ZA side effects include flu-like symptoms such as nausea, myalgias, bone and joint pains, and fever. Here we report a case of a rare side effect of acute anterior uveitis following initial dosing of ZA in a 71-year-old female with osteoporosis who had been vitamin D deficient a couple of months earlier. She presented with headache, bilateral eye redness, and pain post ZA infusion. Findings of diffuse conjunctival injection, and flare with cells in the anterior chamber were suggestive of anterior uveitis. Her symptoms resolved with prednisolone eye drops in three weeks. Ocular inflammation is a rare but serious side effect of this commonly administered drug. Optimizing vitamin D levels prior to treatment may help to prevent this condition. Clinicians should be aware of the rare occurrence of post-ZA ocular inflammation. Early recognition and prompt treatment are essential.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10484521PMC
http://dx.doi.org/10.7759/cureus.43162DOI Listing

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