Current game stage: 1
|Type||Negative%Negative Status Effects|
|Caused by||Most cooked food items|
|Effect on Fullness|
|Effect on Hydration|
|Effect on Health|
|Effect on Stamina|
|Effect on Wellness|
|Effect on Temperature||°F, 0°C|
|Other Effects||Lowers Fullness and Stamina to ~30, removes 20 Hydration, removes healing and stamina regen buffs|
|Stack (Cumulative) Effects|
Food Poisoning is a debuff that can occur when eating most cooked food items, but will not occur when eating most canned food items. Most cooked items have a base 4% chance of causing Food Poisoning. Items like Raw Meat or Rotting Flesh have a significantly higher chance. The chance of getting poisoned is shown in the inventory status page for each food item.
If you get Food Poisoning, the following things will happen:
- You will vomit
- Your Fullness and Stamina will immediately drop to approximately 30, leaving you Starving
- You will lose 20 Hydration
- Any healing or stamina regen buffs (e.g. from previously-eaten food) will be canceled
Since Food Poisoning is an instant debuff, there is no 'cure'. Simply eat more food and drink fluids to restore your Fullness and Hydration. Food Poisoning can be avoided in the following ways:
- Taking Vitamins right before eating will prevent Food Poisoning
- Taking levels in the Iron Gut perk will reduce the chance of Food Poisoning by 1 percentage point per level (effectively making you immune to poisoning from most cooked foods with level 4 of the perk)
Here Comes The Math
Each attempt to eat a potentially poisonous food item has no effect on later attempts (they are 'independent trials' in statistical speak). Therefore, the chance of being poisoned in 25 meals at 4% chance each is not 100%, but more like 64%. The formula for calculating % chance of getting buff B in N trials if there is a P% chance each time is:
% Chance of buff = 1-((1-P)N)
For 25 meals of normal cooked food, with a 4% chance each, that works out to:
% Chance of Food Poisoning = 1-(0.9625) = 1-0.36 = 0.64 or 64% chance
For 10 meals of Rotting Flesh, which has an 18% chance of poisoning you, it is:
% Chance of Food Poisoning = 1-(0.8210) = 1-0.137 = 0.863 or 86.3% chance
It is of course entirely possible to get Food Poisoning twice or more in a row, if the RNG gods are particularly angry at you. Switch to canned food for a while.
Versions Prior to A18
Food Poisoning is an effect that gives a negative buff that is gained through eating Rotting Flesh, raw meat, Moldy Bread, Eggs and Old Sham Sandwiches. It will decrease your Stamina at a rate of 10 points every second for a duration of 30 seconds.
- If you take Vitamins and then attempt to give yourself Food Poisoning via command line using 'buff buffIllFoodPoisoning01' it will return an error saying that the buff ID is not valid. This is apparently a quirk in how the code handles "immunity" to debuffs.