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Addiction

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ChemReliant

Addiction to a substance, or activity, means that one's body (or mind) is in need of a regular dose in order to avoid withdrawal symptoms.

OverviewEdit

  • Addiction can happen from using too many chems. An addict suffers withdrawal symptoms that can cause ill effects when a drug wears off. Many substances in the Fallout games are addictive. Each chem has a chance of addiction. One of the most addictive chems is jet.
  • For Fallout 1 & 2, withdrawal effects occur after becoming addicted and going for some amount of time without using that chem. For non-jet addictions, addiction lasts 7 days from the onset of the withdrawal effects (nine days of non-use), while jet addiction can only be cured with the jet antidote.
  • Certain NPCs have addictions, not just the Lone Wanderer.

Types of addictionEdit

Type Fallout Fallout 2 Fallout 3 Fallout: New Vegas Fallout Tactics
After Burner addiction noIcon cross noIcon cross noIcon cross noIcon cross yesIcon check
Alcohol addiction yesIcon check yesIcon check yesIcon check yesIcon check yesIcon check
Ant nectar addiction noIcon cross noIcon cross yesIcon check yesIcon check noIcon cross
Buffout addiction yesIcon check yesIcon check yesIcon check yesIcon check yesIcon check
Hydra addiction noIcon cross noIcon cross noIcon cross yesIcon check noIcon cross
Jet addiction noIcon cross yesIcon check yesIcon check yesIcon check noIcon cross
Med-X addiction noIcon cross noIcon cross yesIcon check yesIcon check noIcon cross
Mentats addiction yesIcon check yesIcon check yesIcon check yesIcon check yesIcon check
Nuka-Cola addiction yesIcon check yesIcon check noIcon cross noIcon cross yesIcon check
Nuka-Cola Quantum addiction noIcon cross noIcon cross yesIcon check yesIcon check noIcon cross
Psycho addiction yesIcon check yesIcon check yesIcon check yesIcon check yesIcon check
Rebound addiction noIcon cross noIcon cross noIcon cross yesIcon check¹ noIcon cross
RadAway addiction yesIcon check yesIcon check noIcon cross noIcon cross yesIcon check
Sierra Madre Martini addiction noIcon cross noIcon cross noIcon cross yesIcon check noIcon cross
Steady addiction noIcon cross noIcon cross noIcon cross yesIcon check noIcon cross
Tobacco addiction noIcon cross noIcon cross noIcon cross yesIcon check noIcon cross
Tragic addiction noIcon cross yesIcon check² noIcon cross noIcon cross noIcon cross
Turbo addiction noIcon cross noIcon cross noIcon cross yesIcon check noIcon cross
Ultrajet addiction noIcon cross noIcon cross yesIcon check yesIcon check noIcon cross
Voodoo addiction noIcon cross noIcon cross noIcon cross noIcon cross yesIcon check
¹ Only used in game files; possible bug.
² Only in modded versions.

Fallout, Fallout 2, Fallout TacticsEdit

ITEM RISK DELAY DURATION FORM WITHDRAWAL EFFECTS
Beer 5% 2 days 7 days Alcohol addiction -1 AG, -1 CH
Buffout 25% 2 days 7 days Buffout addiction -2 ST, -2 EN, -3 AG
Jet 50% 2 days Until cure is taken Jet addiction -1 ST, -1 PE, -1 Action Point
Mentats 15% 7 days 7 days Mentats addiction -3 IN, -2 AG
Nuka-Cola 10% 30 minutes 7 days Nuka-Cola addiction N/A: "You crave more Nuka-Cola"
Psycho 20% 7 days 7 days Psycho addiction -2 IN
RadAway 10% 10 days 7 days RadAway addiction -20 Radiation Resistance
Tragic Disabled from Fallout 2, depends on mod version Disabled from Fallout 2, depends on mod version Disabled from Fallout 2, depends on mod version Tragic addiction N/A: "You feel a burning desire to open another box of Tragic cards"

Fallout 3Edit

In Fallout 3, addiction is permanent. It can, however, be cured for a price in caps by visiting a doctor (like the one in Megaton). Owning a house in either Megaton or Tenpenny Tower enables no-cost addiction removal if the My First Laboratory house improvement is installed. Also, the healing archways in Mothership Zeta include removing addictions as part of their healing effects.

ITEM CLASS RISK DURATION UMON WITHDRAWAL EFFECTS
Buffout Chems 10% 30 hours 30 -1 EN, -1 ST
Jet Chems 20% 30 hours 30 -1 AG, -1 CH
Ultrajet Chems 20% 48 mins 12 -2 AG, -1 PE, -1 ST
Mentats1 Chems 5% 30 hours 30 -1 IN, -1 PE
Beer Alcohol 5% N/A N/A -1 AG, -1 CH
Vodka Alcohol 10% N/A N/A -1 AG, -1 CH
Wine Alcohol 5% N/A N/A -1 AG, -1 CH
Psycho Chems 10% 30 hours 30 -1 EN, -1 PE
Med-X Chems 10% 30 hours 30 -1 AG, -1 IN
Scotch Alcohol 10% N/A N/A -1 AG, -1 CH
Whiskey Alcohol 10% N/A N/A -1 AG, -1 CH
Ant nectar Chems 5% 1 hour 20 -2 ST
Nuka-Cola Quantum Food 10% 48 mins 12 -1 CH, -15 Radiation Resistance
  • 1Note this only applies to plain Mentats, the other variations (Berry Mentats, Orange Mentats, and Grape Mentats) are non addictive.
  • Items not listed in this table are not addictive in Fallout 3; this includes Rad-X, RadAway, and some other substances.
  • Risk is a base chance of addiction per use, and only applies to alcohol items in Fallout 3.
  • UMON is an accumulating chance of addiction. See Usage Monitor for a detailed explanation.
  • Duration is the length of time required to pass without consuming the drug for the accumulated UMON value to be reduced.

Usage MonitorEdit

In addition to addiction chance, certain items have an additional, increasing chance of addiction with each subsequent use. Internally, this effect is referred to as the Usage Monitor Effect, or UMON. Each use of an item adds its UMON value to the total UMON value before the addiction check is performed. This value remains added to the UMON total until its specified time limit elapses, at which point it is removed from the current running total. An accumulated value of 75 appears to equate to an additional 1% chance (added on top of any existing addiction chance), while a value of 175 appears to be equivalent to a 100% chance. The specifics of the algorithm remain unclear.

Fallout: New VegasEdit

New drugs and addiction-causing substances were added to Fallout: New Vegas, many with their own new forms of addiction. Due to the engine used in Fallout: New Vegas, addiction behaves the same as it did in Fallout 3. It is permanent unless seen to by a doctor. Fixer will provide temporary relief from the symptoms of withdrawal. When Old World Blues is installed, the Sink Auto-Doc cures addictions for free as part of the basic physical exam. For information about UMON, risk and so on, see the appropriate Fallout 3 section.

ITEM CLASS RISK DURATION UMON WITHDRAWAL EFFECTS
Buffout Chems 10% 30 hours 30 -1 EN, -1 ST
Jet Chems 20% 30 hours 30 -1 AG, -1 CH
Ultrajet Chems 20% 48 mins 12 -2 AG, -1 PE, -2 ST
Mentats Chems 5% 30 hours 30 -1 IN, -1 PE
Beer Alcohol 5% N/A N/A -1 AG, -1 CH
Vodka Alcohol 10% N/A N/A -1 AG, -1 CH
Wine Alcohol 5% N/A N/A -1 AG, -1 CH
Psycho Chems 10% 30 hours 30 -1 EN, -1 PE
Med-X Chems 10% 30 hours 30 -1 AG, -1 IN
Scotch Alcohol 10% N/A N/A -1 AG, -1 CH
Whiskey Alcohol 10% N/A N/A -1 AG, -1 CH
Ant nectar Chems 5% 1 hour 20 -2 ST
Fire ant nectar Chems 5% 1 hour 20 -2 ST
Irradiated Scotch Alcohol 10% N/A N/A -1 AG, -1 CH
Irradiated whiskey Alcohol 10% N/A N/A -1 AG, -1 CH
Moonshine Alcohol 10% N/A N/A -1 AG, -1 CH
Jake Juice Alcohol 10% N/A N/A -1 AG, -1 CH
Coyote tobacco chew Chems 10% 30 hours 30 -1 PE, -1 CH
Party Time Mentats Chems 15% 30 hours 30 -1 IN, -1 PE
Rebound (Uses jet addiction.) Chems 20% 30 hours 30 -1 AG, -1 CH
Slasher Chems 20% 30 hours 30 -1 EN, -1 PE
Rocket Chems 30% 30 hours 30 -1 AG, -1 CH
Irradiated beer Alcohol 5% N/A N/A -1 AG, -1 CH
Hydra Chems 10% N/A N/A -3 EN
Turbo Chems 20% N/A N/A -2 AG
Absinthe Alcohol 10% N/A N/A -1 AG, -1 CH
Dixon's whiskey Alcohol 50% N/A N/A -1 AG, -1 CH
Dixon's jet Chems 50% 30 hours 30 -1 AG, -1 CH
Steady Chems 80% 30 hours 30 -1 ST, -1 AG
Sierra Madre martini fnvdmGametitle-FNV DM Alcohol 15% 30 hours 30 -1 AG, -1 CH

BugsEdit

  • pcIcon pc ps3Icon ps3 Addictions in effect at the conclusion of the add-on Dead Money may become incurable.
  • pcIcon pc xbox360Icon xbox360 ps3Icon ps3 Fixer can permanently remove addictions in an unpatched game.
  • pcIcon pc Ant nectar addiction used to be incurable due to a bug, but this was fixed in Fallout: New Vegas patch 1.2.0.31x. The console command Player.RemoveSpell 0006dc6e will immediately remove the addiction on the PC version.

Fallout 4Edit

Using chems or alcohol can provide powerful temporary boosts, but can also lead to addiction. When addicted, you have to consistently take the chem or alcohol - failing to do so will inflict a severe stat penalty.

Loading screen hint

After taking, on average, 5 of the same addictive item you will become addicted to it.

In Fallout 4, addictions can be viewed on the STAT page of the Pip-Boy by choosing Show Effects.

ITEM CLASS EFFECT TYPE ConsoleID
Buffout Chem Strength -1
Endurance -1
Buffout, Buffjet, Bufftats1 00033066
Calmex Chem Agility -2
Perception -2
Calmex 00246bf5
Daddy-O Chem Intelligence -1
Perception -1
Daddy-O 00245eff
Day Tripper Chem Luck -1
Charisma -1
Day Tripper 00245f02
Fury Chem Strength -1
Perception -1
Fury 00246bfe
Jet Chem Agility -1 Jet, Jet Fuel, Ultra jet1 00245f05
Med-X Chem Agility -1
DR -10
Med-X 00245ac5
Mentats Chem Charisma -1 Mentats, (Berry, Grape, Orange variants) 00245ef3
Overdrive Chem Strength -1
Endurance -1
Overdrive 00245f09
Psycho Chem Strength -1
DR -10
Psycho, Psycho jet, Psychobuff1 00245efa
X-cell Chem SPECIAL -1 X-cell 00245efc
Alcohol Alcohol Charisma -1
Agility -1
Various Alcoholic beverages2 00245ef1

1 Taking a mixed Chem will only cause addiction to the main Chem (e.g., taking Bufftats can only lead to becoming addicted to Buffout).
2 Beer, Bobrov's best moonshine, bourbon, rum, vodka, whiskey, wine, Gwinnett ale, Gwinnett brew, Gwinnett lager, Gwinnett pale, Gwinnett pilsner, Gwinnett stout and all ice cold variations

SourcesEdit

Illnesses, conditions and addictions