A Red Patch in the Binding of Isaac: Rebirth (BOIR)
Red Patch: Your rage grows

The Red Patch is a Trinket in The Binding of Isaac: Rebirth (TBOIR)


Whenever you take damage, there is a 20% chance that damage for the current room will be increased by 1.8x

Strategy Guide/Tips[edit]

  • This is similar to the effect of Razor Blade.
  • This effect can trigger multiple times in the same room.


Red Patch has the following Synergies and Interactions with other items:

Item Synergy
Razor Blade Stacks with Razor Blade.



  • "Red Patch" refers to an accessory worn by marines on their uniforms.