For an overview of stimpak types in all games, see Stimpak.

Gametitle-FNV LR.png
Gametitle-FNV LR.png

Auto-inject stimpak is a consumable in the Fallout: New Vegas add-on Lonesome Road.


The auto-inject stimpak is a modified stimpak which monitors vital signs, allowing for timely emergency treatment.

They are used automatically when the player character's Hit Points drop below 50% of their current maximum level.

Medicine skill effect

SkillEffectHardcore effect
10+36 Hit Points +6 Hit Points for 6s
20+42 Hit Points +7 Hit Points for 6s
30+48 Hit Points +8 Hit Points for 6s
40+54 Hit Points +9 Hit Points for 6s
50+60 Hit Points +10 Hit Points for 6s
60+66 Hit Points +11 Hit Points for 6s
70+72 Hit Points +12 Hit Points for 6s
80+78 Hit Points +13 Hit Points for 6s
90+84 Hit Points +14 Hit Points for 6s
100+90 Hit Points +15 Hit Points for 6s


This item can only be crafted by the Courier in the Lonesome Road add-on.

Creation requirements

Lonesome Road add-on
Auto-inject stimpak (1)

¹ Craftable without a workbench via a dialogue option with Veronica, or with ED-E.



Found in most lead-lined metal box containers throughout the Divide.


  • Unlike a regular stimpak, the auto-inject stimpaks have weight.
  • They are not activated by damage taken from the Sierra Madre Cloud.
  • Auto-inject stimpaks are not automatically consumed by companions.
Community content is available under CC-BY-SA unless otherwise noted.