Binding of Isaac: Rebirth Wiki
(Added information regarding Tainted Isaac's ability, and how it can be used with the item)
Tag: Visual edit
(combined with the existing D4 point and made more general, since it's the exact same mechanic)
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== Notes ==
 
== Notes ==
 
* Bad pills already obtained/dropped will be converted to their "good" counterparts.
 
* Bad pills already obtained/dropped will be converted to their "good" counterparts.
* If PHD is rerolled by the {{i|D4}} or a [[Dice Room]], pills will be identified on pickup, but negative pills will not be prevented from spawning.
+
* If PHD is lost in any way, such as rerolling by the {{i|D4}} or a [[Dice Room]], or dropping it as {{dlc|r}}{{c|Tainted Isaac}}, pills will remain fully identified, but negative pills will not be converted.
 
* {{dlc|a+}} Performing a [[RERUN]] with a character that held PHD will still prevent negative pills from spawning, but will no longer identify pills until used.
 
* {{dlc|a+}} Performing a [[RERUN]] with a character that held PHD will still prevent negative pills from spawning, but will no longer identify pills until used.
 
* As bad pills will turn into good pills, it is possible for two different colored pills to have the same effect.
 
* As bad pills will turn into good pills, it is possible for two different colored pills to have the same effect.
*If the item is picked up, and later dropped via [[Tainted Isaac|Tainted Isaac's]] ability, it will reveal the effects of all pills for the run even after dropping the item, however they will no longer all be positive.
 
   
 
==Interactions==
 
==Interactions==

Revision as of 18:50, 19 June 2021

PHD is a passive item.

Effects

  • Identifies all pills upon pickup.
  • Spawns a pill.
  • Replenishes 2 red hearts.
  • Adds 0-2 coins to the payout every time you use a Blood Donation Machine or Collectible IV Bag iconIV Bag.
    • In hard mode, adds exactly 1 coin to the payout.
  • Converts some "bad" pills into their "good" counterparts or removes their bad effects:
Pill Changes Into
Stat down pill Stat up pill
Amnesia I can see forever!
(in Afterbirth † and Repentance) ??? Telepills
(in Afterbirth † and Repentance) Addicted Percs!
(in Afterbirth † and Repentance) I'm Excited!!! I'm Drowsy...
(in Afterbirth † and Repentance) Paralysis Pheromones
(in Afterbirth † and Repentance) Retro Vision I can see forever!
(in Afterbirth † and Repentance) R U A Wizard? Power Pill!
(in Afterbirth † and Repentance) X-Lax Something's wrong...
(except in Repentance) Bad Trip Full Health
(in Repentance) Bad Trip Balls of Steel
(in Repentance) Horf! Gulp!
(in Repentance) Experimental Pill Only grants a stat up
(in Repentance) Gold Pill Only has positive effects
Unchanged
48 Hour Energy
Bad Gas
Bombs are Key
Explosive Diarrhea
Hematemesis
I can see forever!
I Found Pills
Lemon Party
Pheromones
Pretty Fly
Puberty
Telepills
(except in Rebirth) Friends Till the End!
(except in Rebirth) Infested!
(except in Rebirth) Infested?
(except in Rebirth) One makes you larger
(except in Rebirth) One makes you small
(except in Rebirth) Percs!
(except in Rebirth) Power Pill!
(except in Rebirth) Re-Lax
(in Afterbirth) ???
(in Afterbirth) Addicted!
(in Afterbirth) Retro Vision
(in Afterbirth † and Repentance) Feels Like I'm Walking on Sunshine!
(in Afterbirth † and Repentance) Gulp!
(in Afterbirth † and Repentance) Something's Wrong...
(in Afterbirth † and Repentance) Vurp!
(in Afterbirth †) Horf!
(in Rebirth and Afterbirth) Paralysis
(in Rebirth and Afterbirth) R U A Wizard?

Notes

  • Bad pills already obtained/dropped will be converted to their "good" counterparts.
  • If PHD is lost in any way, such as rerolling by the Collectible D4 iconD4 or a Dice Room, or dropping it as (in Repentance) Character Tainted Isaac iconTainted Isaac, pills will remain fully identified, but negative pills will not be converted.
  • (in Afterbirth † and Repentance) Performing a RERUN with a character that held PHD will still prevent negative pills from spawning, but will no longer identify pills until used.
  • As bad pills will turn into good pills, it is possible for two different colored pills to have the same effect.

Interactions

  • (in Repentance)Collectible False PHD iconFalse PHD: Pills can both be good or bad again. Taking a bad pill still applies the benefits from False PHD.

In-game Footage

Trivia

  • PHD stands for Doctor of Philosophy (Ph.D.) and it's the most common degree at the highest academic level awarded following a course of study. Doctorates can be in any study, in Isaac's case, medicine.

Seeds

PC 49BH 7C4X (Treasure Room adjacent to spawn)

PC (in Repentance) D77Y 9NM3 (Treasure Room adjacent to spawn)

Vita F1MK 02T4 (Treasure Room adjacent to spawn)

Switch 1RY7 20CH (First floor Shop, half off)