Pharmacology General a0db7a30 Mechanism of action of Levetiracetam is A Blocking SV2A protein B Inhibiting reuptake of GABA C Inhibiting GABA transaminase enzyme D Calcium channel blocker High-Yield Explanation Levetiracetam blocks SV2A which is a synaptic vesicular protein & inhibits release of excitatory neurotransmitters.