Bleed out syringe

The bleed out syringe is a type of ammunition in Fallout 4.

Gameplay
The bleed out syringe is a small dart used only in the syringer. Unlike most ammunition in the game, it is located under the "AID" section of the Pip-Boy menu, as a consumable, and has a small amount of weight. Enemies hit with the syringe have a chance to receive 30 points of damage over 10 seconds, with the damage ignoring all resistances. The syringe does not work on enemies with poison immunity.

Locations
Crafted at chemistry stations by the Sole Survivor.