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Popular with beatniks and intellectuals before the Great War, Daddy-O raises Intelligence and Perception, but lowers Charisma, for a limited period of time.

— Loading screen hint

Daddy-O is a very rare consumable item in Fallout 4.


Daddy-O is a small syringe with two vials filled with a bright orange liquid inside. According to terminal entries in-game, the drug is popular with beatniks and intellectuals of the time.


  • Fort Hagen, in a first aid kit on the upper level. (possibly randomly spawned)
  • South Boston police department, in a toilet bowl on the ground level.
  • Vault 95, on the right hand side shelf of a med-filled closet in the lower levels of the vault.
  • Vault-Tec WorkshopGametitle-FO4 VW Vault 88, in the room above the North-East sector Vault-Tec control board, in a first-aid kit on a barrel. (possibly randomly spawned)
  • Southeast off of the coast at Kingsport Lighthouse on one of the bigger shipwrecked structures (the one with the red buoy), in a first aid kit in the western shack.
  • Far Harbor (add-on)Gametitle-FO4 FH In Far Harbor, at a small dock located just east of the Harbor Grand Hotel on a picnic table.

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