|For the trait, see Chem Resistant (trait).|
Fallout 3 and Fallout: New Vegas
The Chem Resistant perk reduces the likelihood that you'll get addicted to chems. At the highest rank, it grants total immunity to addiction.”— Fallout 4 loading screen hints
The first rank of this perk reduces the chances of being addicted to anything by 50%. The second rank negates all chances of become addicted.
- This perk is rendered useless if the player opts for Logan's Loophole trait in Old World Blues.
- Due to the usage monitor effect, you will still have a 100% chance to become addicted after using a chem a certain number of times.