A wearable device 100 for managing alcohol-driven violence is disclosed. The device 100 comprises a capsule C1 adapted to sense sweat of wearer and detect a level of alcohol in the sweat, a capsule C3 adapted to convert a data detected by the capsule C1 to generate signal activating a capsule C4, a capsule C2 adapted to provide power to the capsule C3, and a capsule C5 adapted to detect a muscle activity of the wearer, wherein the capsule C4 is adapted to inject a drug into the body of the wearer, when activated, and wherein the capsule C5 alerts authorities when no muscle activity is detected.