Dead Tooth 
Effects
- While firing, creates an aura around Isaac that poisons any nearby enemies for 2 ticks.
- The poison may stack up to 6 ticks at a time.
- Poison damage is equal to Isaac's damage stat.
Interactions
- (Azazel) Azazel/
Brimstone/
Chocolate Milk/
Mom's Knife/
Monstro's Lung/
Tech X: The green aura only activates when Isaacs' attack is charging.
Diplopia: No effect.
Epic Fetus/
The Ludovico Technique/
Marked: The green aura only activates when pressing the attack buttons.
- (The Forgotten) The Forgotten: The green aura will activate when using melee and charging throw attack.
- (Lilith) Lilith: No effect.
Mega Blast: The green aura will not activate while the beams are firing.
Sprinkler: Green aura will not activate if only the sprinkler is firing, and the sprinkler does not get its own green aura.