Any process that stops, prevents or reduces the frequency, rate or extent of voltage-gated sodium channel activity.
Synonyms:
exact_synonym:
down regulation of voltage gated sodium channel activity; down regulation of voltage-dependent sodium channel activity; down regulation of voltage-gated sodium ion channel activity; down regulation of voltage-sensitive sodium channel; downregulation of voltage gated sodium channel activity; downregulation of voltage-dependent sodium channel activity; downregulation of voltage-gated sodium ion channel activity; downregulation of voltage-sensitive sodium channel; negative regulation of voltage-dependent sodium channel activity; negative regulation of voltage-gated sodium ion channel activity; negative regulation of voltage-sensitive sodium channel
narrow_synonym:
inhibition of voltage gated sodium channel activity; inhibition of voltage-dependent sodium channel activity; inhibition of voltage-gated sodium ion channel activity; inhibition of voltage-sensitive sodium channel