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Fluoroquonolones and tetracyclines have both been linked to pseudotumor cerebri syndrome (PTCS, idiopathic intracranial hypertension).

Fluoroquinolones represent one of the most prescribed classes of antibiotics in North America. Fluoroquinolones carry a boxed warning for risk of tendon rupture, tendinitis, and worsening myasthenia gravis. The label also carries a warning for CNS adverse events, including PTCS. Although rare, untreated PTCS can lead to partial or permanent vision loss. Female sex and obesity are strong risk factors for PTCS, and PTCS is also linked to tetracyclines.

 found that risk of pseudotumor cerebri was over 4 times increased with fluoroquinolones, and over 2 times increased with tetracyclines.

 Sodhi M, Sheldon CA, Carleton B, et al. 

Oral fluoroquinolones and risk of secondary pseudotumor cerebri syndrome: Nested case-control study

Increased Intracranial Pressure and Fluoroquinolones

Headache and Migraine

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 headache and migraine clinical focus page offers information, podcasts, videos, and news and interviews with physicians related to the care of patients with headache disorders such as chronic and episodic migraine, cluster headache, tension-type headache, and more. The page includes updates on the latest FDA actions, clinical guidelines, and study and clinical trial findings.

Which medications have been linked to idiopathic intracranial hypertension? Take the quiz and learn more.

Mini Quiz: Pseudotumor Cerebri Syndrome

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