Papilledema

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Papilledema: swelling of the optic nerve.

Papilledema can be a symptom of pseudotumor cerebri, aka idiopathic intracranial hypertension (IIH).

You can read more about papilledema, and IIH in:

For more terms, see our Migraine and Headache Glossary.

Medical review by John Claude Krusz, PhD, MD.