Because of side effects from acetazolamide, 80 mg/day furosemide was substituted for acetazolamide. For headache control, he was treated with 150 mg/day topiramate. On a follow-up 1 month later, visual field defects had improved. However, 2 months later, the visual field defects worsened, and he underwent an optic nerve fenestration in the right eye. One week postoperatively, visual field defects had improved in the left eye, but the right eye remained stable. On month later, visual field defects had improved in both eyes.
IIH is found most commonly in overweight women in their reproductive years. It may also be caused by dural sinus thrombosis (5,6), a reduction in corticosteroid therapy, or hormonal imbalance (7-10), vitamin A, anabolic corticosteroids, tetracycline, lithium, and pregnancy (11-13). Our patient had prior use of testosterone. Despite the availability of transgender medicine for decades, we were unable to find a published report of IHH in patients who change gender.
Department of Ophthalmology University of Florida Gainesville, Florida email@example.com
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