Since nobody on the combat/mechanics forum has been able to provide me with an answer, and my DK isnt high enough level to find out yet:
Does cauterize heal the caster, if no allies are nearby?
PS4 / NA
M'asad - Khajiit Nightblade - Healer
Pakhet - Khajiit Dragonknight - Tank
Raksha - Khajiit Sorcerer - Stamina DPS
Bastet - Khajiit Templar - Healer
Leonin - Khajiit Warden - Tank