This page was last updated/ edited on February 28, 2023. Three medications that are VMAT2 inhibitors are available in the US. All three of these medications are “selective” VMAT2 inhibitors. Alphabetically, they are: 1. Deutetrabenazine (Austedo®) Deutetetrabenazine (Austedo®) was developed by adding deuterium to tetrabenazine. This modifies the pharmacokinetic profile and leads to more uniform levels of…