Prognosis

The disease can either be self-limited or have a lifelong chronic course.[1][2]

Visual field

With treatment, about 50% of patients have marked improvement in visual field function.[38] Some patients may experience adverse events of treatment, leading to a decrease in treatment tolerability and adherence.[103] Treatment failure is associated with high-grade papilloedema, visual acuity loss, and frequent transient visual obscurations.[42] 

Although papilloedema usually regresses within months after treatment is initiated, it may remain for years, usually as low-grade papilloedema, with varying effects on vision.[2]

Pregnancy

Pregnant women with IIH do not have an increased rate of spontaneous abortion.[99]

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