可见到大脑:Increased pressure within the brain in the absence of a tumor.可见到大脑can cause headache,ringing in the ears, double vision, loss of visual accuracy, and even complete blindness. It is most common inobesewoman of childbearing age. Although its cause is usually not known, pseudotumor cerebri is sometimes linked to use oftetracycline, nalidixic acid, nitrofurantoin, phenytoin,lithium, or amiodarone, or overuse ofvitamin A. Diagnosis is made via brain imaging andlumbarpuncture. Drugs to reducecerebrospinal fluidproduction or hyperosmotic drugs may be used to reduce fluid buildup. Excess cerebrospinal fluid may be removed with repeated spinal taps, shunting, or a type of surgery called optic nerve sheath fenestration that allows the excess fluid to escape. Steroids may be prescribed to reduce swelling of brain tissue. Also known asbenignintracranialhypertension,idiopathicintracranial hypertension (IIH).
