Drug injection pens are single-use medical consumables manufactured by 疗生公司. They allow individuals to quickly treat themselves and others with specific drugs to alleviate different symptoms. The different drug pens and their uses are listed below.
| Pen (drug) | Usage |
|---|---|
| 强心笔（地美沙群） | Reduces concussion symptoms, normalizes weapon handling and movement speed |
| 抗炎笔（甾原） | Reduces vision and hearing symptoms, normalizes stamina |
| 解毒笔（瑞舒吉拉） | Revives overdosed person (if not incapacitated), doubles decay rate of Blood Drug Level |
| 医疗笔（血红扎） | Restores health and stops bleeding, recovers from incapacitated state |
| 止痛笔（咯沙芬） | Reduces pain symptoms, normalizes movement ability |