Pseudotumor Cerebri (Idiopathic intracranial hypertension)

Pseudotumor cerebri, also known as idiopathic intracranial hypertension, is a condition characterized by signs of increased intracranial pressure (ICP) without any underlying brain pathology visible on neuroimaging studies.

Recognizing the Signs

The typical signs of increased intracranial pressure include:

• Persistent headaches
• Papilledema (swelling of the optic nerve)
• Elevated opening pressure during a lumbar puncture

This condition primarily affects younger women who are overweight, and patients commonly experience debilitating headaches and vision changes.

Understanding the Causes

While the exact cause of pseudotumor cerebri isn't fully understood (hence the term idiopathic), some predisposing factors increase one's chances of developing it.

Vitamin A-Related Causes: Hypervitaminosis A (excessive vitamin A levels) can be a contributing factor. This may result from:

• Increased dietary intake of vitamin A
• Use of retinoid medications such as isotretinoin or all-trans retinoic acid

Other Associated Medications: Additional medications that have been linked to pseudotumor cerebri include:

• Tetracycline antibiotics
• Danazol (a synthetic hormone)
• Oral contraceptives