What is Idiopathic Intracranial Hypertension (IIH)?
Simply speaking, Idiopathic Intracranial Hypertension (IIH) (sometimes called Pseudotumor Cerebri isn’t a headache disorder, but it can cause headaches. IIH is a condition in which the body either produces too much cerebrospinal fluid or doesn’t absorb it well, resulting in increased cerebrospinal fluid pressure.