Buffout Addiction

Buffout addiction  is a form of addiction which can occur in Fallout, Fallout 2, Fallout Tactics, Fallout 3, Fallout: New Vegas, Fallout 4, and Fallout 76.

Fallout, Fallout 2, Fallout Tactics
Buffout has a 25% chance to cause addiction. It lasts for a week, beginning 48 hours after consumption. When addicted, one suffers a 2 point penalty to Strength and Endurance and a 3 point penalty to Agility.

Fallout 3, Fallout: New Vegas
Buffout has a 10% chance to cause addiction. The penalties of being addicted have been significantly lowered, as being addicted only causes a 1 point penalty to Strength and Endurance.