Gabapentin vs Pregabalin

Gabapentin vs Pregabalin: Overview

This comparison examines the pharmacological differences between Gabapentin and Pregabalin.

Mechanism of Action

Gabapentin: Binds alpha-2-delta subunit of voltage-gated calcium channels.

Pregabalin: Binds alpha-2-delta subunit of voltage-gated calcium channels.

Pharmacokinetics

Half-life: Gabapentin — 5-7 hours; Pregabalin — 6.3 hours.

Chemical Properties

Molecular Formula: Gabapentin — C9H17NO2; Pregabalin — C8H17NO2.

Molecular Weight: Gabapentin — 171.2370 g/mol; Pregabalin — 159.2260 g/mol.

Type: Gabapentin — Small molecule; Pregabalin — Small molecule.