Fury is a Chems consumable in Fallout 76 (FO76). Players may use this item to regenerate health, cure Addictions and Diseases, slow time, temporarily change the player's SPECIAL stats and add various other unique effects. Many Chems can be bought from medical supplies vending machines. It's possible to become addicted to some chems, which will result in decreased stats until the addiction is cured.
Fury, just from its name "Fury" is a result of a combination of Psycho and Buffout which allows the user to be in a state of rage - this provides the user with an increase of 50% damage with melee weapons, an additional 25% overall damage resistance, and somehow, a decrease of PER by 5 points.