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NeurologyOphthalmology

Idiopathic Intracranial Hypertension

Modified Dandy criteria, MRI/MRV, LP for opening pressure, weight loss, acetazolamide, surgical options for refractory vision loss.

Source: ABN; consensus 2018

Used in: Hypertension Head Injury
Step 1 of ~3
info

Recognise + Workup

Modified Dandy criteria: signs/symptoms of raised ICP (headache worse on Valsalva / lying flat / morning, transient visual obscurations, pulsatile tinnitus, papilloedema, diplopia from VI palsy); normal neurological exam except papilloedema ± VI palsy; no other cause of raised ICP; opening pressure >25 cm H₂O at LP (in correctly positioned adult). Risk: female, obese (BMI >30), reproductive age. Drugs: tetracyclines, retinoids, lithium, growth hormone, OCP (controversial).

Related

Curated clinical cross-links plus same-class fallbacks.

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