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Pharmacology of Antiepileptic Drugs

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Targets for AEDs<br />

• Increase inhibitory neurotransmitter system—<br />

GABA<br />

• Decrease excitatory neurotransmitter system—<br />

glutamate<br />

• Block voltage-gated inward positive currents—<br />

Na + or Ca ++<br />

• Increase outward positive current—K +<br />

• Many AEDs pleiotropic—act via multiple<br />

mechanisms

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