Topiramate-induced Acute Transient Myopia and Angle Narrowing

Khan, Safdar A.; Ashraf, Ammarah; Javaid, Hassaan; Khizer, Muhammad Azeem

doi:10.29271/jcpsp.2021.06.728

Cited by 3 publications

(1 citation statement)

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“…Off-label, both of them have been used for weight loss. Both of them are sulfonamide and its derivatives, which have been reported as causing transient myopia, ciliary body edema, uveal effusions, and secondary acute angle closure glaucoma (aACG) (1)(2)(3)(4). However, there is limited literature on the combined use of both drugs that causes adverse effects.…”

Section: Introductionmentioning

confidence: 99%

Low-dose topiramate and hydrochlorothiazide-associated early acute myopia and angle narrowing: A case report

Peng²,

Feng³

et al. 2023

Front. Med.

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PurposeTo report a unique case of topiramate and hydrochlorothiazide associated with acute myopia and angle narrowing.Patients and methodsA 34-year-old Asian woman presented with prominent binocular visual acuity decrease 6 h after taking only one dose of 25 mg topiramate, 25 mg hydrochlorothiazide, and 22.4 mg fluoxetine to lose weight. She was subsequently diagnosed with acute bilateral myopia and angle narrowing and was started on topical therapy.ResultsInitial examination revealed a decreased visual acuity of 20/100 bilaterally, an elevated intraocular pressure of 23 mmHg in the right eye and 24 mmHg in the left eye, suprachoroidal effusions, and angle narrowing. After the discontinuation of these drugs and the use of IOP-lowering medication, the patient made full recovery.ConclusionWe speculate that there is a drug–drug interaction between topiramate and hydrochlorothiazide that may lead to the angle narrowing in a short time and at a low dose. Timely discontinuation of the drug usually leads to complete recovery within days to weeks.

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Section: Introductionmentioning

confidence: 99%