Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 8/8/2025

NSAIDs and Seizure Risk

Patient Populations at Increased Risk

  • Patients with pre-existing seizure disorders should be monitored closely when taking certain medications, including some NSAIDs, as guidelines note an increased risk of seizure activity, according to the Centers for Disease Control and Prevention (CDC) [1]
  • Patients with pre-existing seizure disorders should be monitored closely when taking certain medications, including some NSAIDs, as guidelines note an increased risk of seizure activity, according to the CDC [2]

Safe Use of NSAIDs

  • For most patients without a seizure history, NSAIDs can be used safely at therapeutic doses with minimal seizure risk, but monitoring for neurological symptoms like dizziness, drowsiness, or confusion is recommended [1]
  • The CDC recommends using NSAIDs with caution and monitoring closely for increased seizure activity in patients with pre-existing seizure disorders [2]

Contraindications and Precautions

  • Mefenamic acid should be avoided in patients with a history of seizure disorders due to its significantly higher seizure risk compared to other NSAIDs [1]
  • The CDC advises against using mefenamic acid in patients with a history of seizure disorders due to its significantly higher seizure risk compared to other NSAIDs [2]

Management of Adverse Effects

  • If neurological symptoms or seizures occur, the NSAID should be discontinued immediately, and supportive care should be provided, according to standard protocols [1]
  • The CDC recommends discontinuing the NSAID immediately and providing supportive care if neurological symptoms or seizures occur [2]