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Fallout Wiki

Stimpak: diffuser is a chem introduced in the Fallout 76 update Wild Appalachia.


The stimpak diffuser is a small canister that, when used, creates a cloud that restores Hit Points to the user and nearby teammates. It restores 30% of HP over four seconds.


Spring (1)
Build at:
Learn Method:
Learned from plan/recipe
Recipe: Stimpak diffuser
Stimpak diffuser (3)


  • Can only be acquired by fabricating at a chemistry station.


  • The plan may be obtained as a quest reward for Project Paradise if all three animals are successfully protected. It may be possible to receive the plans with two animals surviving.
  • Using a stimpak diffuser is a requirement for one of the Pioneer Scouts Tadpole medic badges.
  • Unlike other stimpaks, stimpak diffuser will not heal crippled limbs or be affected by the First Aid perk.

See also