If something is idiopathic it means that the cause is unknown.
Idiopathic intracranial hypertension (IIH)
Idiopathic intracranial hypertension is a condition in which the pressure of the fluid within the skull is increased but there isn’t a known or detectable cause. The increased pressure can lead to headaches, vision problems, and other symptoms.
A medical specialist that uses imaging techniques, such as MRI or CT scans, to precisely target a therapy. An interventional radiologist may perform procedures like coiling brain aneurysms or treating aneurysms via the blood vessels.
Intracranial hypotension is a condition in which the pressure of the fluid within the skull is lower than normal. This can lead to symptoms including headaches (that are often worse when standing), nausea, vomiting, and neck pain.