Acid Baby

Acid Baby is a passive item added in The Binding of Isaac: Afterbirth †.

Effects

 * Spawns a familiar that drops random pills.
 * Acid Baby drops a pill every 3 cleared rooms. The first drop happens after 2 rooms.
 * 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 2 ticks.
 * The poison lasts for 6-7 ticks. Enemies also take 10 additional damage.

Synergies

 * : The familiar drops pills in a repeating pattern of 2, 2 then 3 rooms. No damage increase on the poison effect.
 * : Allows Isaac to take pills without risking a stat down/bad pill.
 * Vurp!: If Isaac's last used pill is a Vurp! pill and Isaac finds another Vurp! pill afterward, he can infinitely generate Vurp! pills and repeatedly use them for mass poison damage.

Interactions

 * : All pills dropped by Acid Baby will turn into cards.