Fulminant idiopathic intracranial hypertension is a rare presentation of idiopathic intracranial hypertension in which visual decline occurs within 4 weeks of initial symptom presentation. Idiopathic intracranial hypertension usually presents with headaches, visual disturbances, and in women who are overweight. We present a case of idiopathic intracranial hypertension in which a female patient presented with rapid, severe vision loss within 8 days of symptom presentation and no other idiopathic intracranial hypertension symptoms. This case highlights a rare presentation of Fulminant idiopathic intracranial hypertension and the need for a quick diagnosis and treatment to preserve vision.