Syringes are used for various kinds of 'medical' reasons. Chemicals will have greater effects when inserted intravenously. To start injecting, hold the right mouse button with a filled syringe.
Try being a horrible human being and hit people with filled syringes.
Crafting[]
| Syringe | |
|---|---|
| Shaped |  |
| 1 iron ingot, 1 glass | |
To fill the syringe, see also: