The Binding of Isaac Wiki

Acid Baby

Acid Baby



Spawns a familiar that drops a random pill every 3 rooms. Upon using a pill, all enemies in the room are poisoned.


"Pills pills pills!"


  • Spawns a familiar that drops random pills.
    • Acid Baby drops a pill every 7 cleared rooms. The first drop happens after 6 rooms.
  • Upon using a pill, all enemies in the room will be poisoned.
    • The poison lasts for 6-7 ticks. Enemies also take 10 additional damage.


  • BFFS!
    - The familiar drops pills in a repeating pattern of 2, 2 then 3 rooms. No damage increase on the poison effect.
  • PHD
    - Allows Isaac to take pills without risking a stat down/bad pill.

Found in

  • Devil Beggar
  • Baby Shop
  • Treasure Room


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