Sumatriptan-induced angle-closure glaucoma: A case report

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Drug-induced bilateral angle-closure glaucoma is a rare event and should be treated correctly and promptly to prevent visual loss.

Patient concerns:

We report a rare case of sumatriptan-induced bilateral angle-closure glaucoma in a young woman with migraine, and explore the possible mechanism.


We describe the clinical outcome of a patient with sumatriptan-induced bilateral angle-closure glaucoma. The patient presented with bilateral acute elevation of intraocular pressure (IOP) and myopic shift.


The clinical symptoms and signs resolved rapidly after treatment with a topical cycloplegic agent, topical steroid, and aqueous suppressant.


Based on the suspicious of malignant glaucoma, we prescribed topical phenylephrine, whose application immediately lowered the IOP. All symptoms resolved after treatment with a long-acting cycloplegic agent, topical steroid, and aqueous suppressant for 3 days.


We presume that the mechanism underlying sumatriptan-induced bilateral angle-closure glaucoma may be correlated to the malignant glaucoma. Timely diagnosis and appropriate treatment are essential for resolving this ophthalmic emergency.

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