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Health TopicsCentral Nervous System AgentPharmacologyAnticonvulsant

How can I tell if I have taken too much phenytoin?

Stacy Wiegman, PharmD
Stacy Wiegman, PharmD
Pharmacy

You may have taken too much phenytoin if you have any of the following symptoms:

  • nausea
  • slurred speech
  • uncontrollable eye movements
  • vomiting
  • loss of coordination
  • uncontrollable shaking
  • inability to understand reality

Call your doctor right away if you have any of these symptoms.

If you lose consciousness, a friend or family member needs to call 911:


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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.