Pills

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Pickups
Hearts Coins Bombs Keys Batteries Pills Cards Chests Added in Afterbirth  Sacks

Pills are pickups that can provide useful or inhibiting effects. They take up the same slot as cards and runes.

At the start of each run, an effect is randomly assigned to each color of pill. The pill effect for that color will remain constant throughout the run. (However, it is possible for PHD PHD
PHD Icon.pngConverts all bad pills into good pills, spawns one pill pickup and restores health. Identifies all pills upon pickup.
or Virgo Virgo
Virgo Icon.pngGrants a chance to trigger the Book of Shadows effect upon taking damage, creating a shield that nullifies all types of damage for 10 seconds. Also converts "bad pills" into "good pills".
to reassign some of the effects, such that 2 different colored pills will have the same effect.) The set of pill effects for any given run is usually known as the pill pool.
  • Added in Afterbirth The pill pool for each run has increased from 9 to 13.


Pill Effects[edit | edit source]

ID Pill Effect
0 Bad Gas

Isaac farts, poisoning enemies around him.

1 Bad Trip

Injures Isaac by a full heart. If a Bad Trip pill is used while Isaac only has a single heart left or less, the pill will turn into a Full Health pill instead. (This damage counts as red heart damage for the purposes of getting a Devil Deal.)

2 Balls of Steel

Grants Isaac two soul hearts.

3 Bombs Are Key

Swaps the values of Isaac's bombs and keys.

4 Explosive Diarrhea

Spawns five active bombs behind Isaac over a period of five seconds, at one a second.

5 Full Health

Restores all health.

6 Health Down

Removes one red heart container upon use. While Isaac has one or fewer red heart containers, it will act as a Health Up pill instead.

7 Health Up

Adds one empty red heart container upon use.

8 I Found Pills

Changes the appearance of Isaac's face. This pill is cosmetic only, Removed in Afterbirth and the effect disappears when you leave the room.

9 Puberty

Causes Isaac to grow four hairs from the top of his head and zits on his face. This pill is cosmetic only, and will stay for the rest of the run.
Added in Afterbirth † Consuming three puberty pills will grant the Adult transformation.

10 Pretty Fly

Grants 1 fly orbital that circles the player, blocking projectiles and damaging fly-type enemies on touch.

11 Range Down

Decreases Isaac's range by 2.

12 Range Up

Increases Isaac's range by 2.5.

13 Speed Down

Decreases Isaac's movement speed by 0.12.

14 Speed Up

Increases Isaac's movement speed by 0.15.

15 Tears Down

Decreases Isaac's tears by 0.28.

16 Tears Up

Increases Isaac's tears by 0.35.

17 Luck Down

Decreases Isaac's luck by 1.

18 Luck Up

Increases Isaac's luck by 1.

19 Telepills

Isaac gets teleported to a random room. Has a small chance to teleport Isaac to the I AM ERROR room, and an extremely small chance to teleport him to the Black Market, like Undefined.

20 48 Hour Energy

Drops one to two Little Batteries and fully charges the spacebar item. Added in Afterbirth Can be used with the Placebo or D1 to generate infinite batteries.

21 Hematemesis

Empties all but one red heart container and spawns 1-4 full red heart pickups. If Isaac only has half of a heart left, it will heal him to one heart. If used without any red heart containers, no health will be deducted, but red hearts will still spawn. If used in a Black Heart or Eternal Heart-containing Super Secret Room, it will spawn those types of hearts instead.

22 Paralysis

Prevents Isaac from moving for a short duration.

23 I can see forever!

Opens all entrances to the Secret Room and Super Secret Room for the current floor.

24 Pheromones

Charms all enemies in the room for a short period of time.

25 Amnesia

Replaces the floor map with a ? for the rest of the floor. If no other curses are active for the floor, the Curse of the Lost will appear under the level name when the map key is held. This effect cannot be negated by Black Candle. Added in Afterbirth Also the only pill to have its flavour text appear on a piece of paper, like curses do.

26 Lemon Party

Spawns a large yellow pool (similar to Lemon Mishap) around your character. Greatly damages any enemy that steps on it, for 22 damage per tick or 66 damage per second.

27 R U a Wizard?

Tears are shot diagonally outwards for about 30 seconds. This effect does not reset upon exiting the room.

Added in Afterbirth Afterbirth
28 Needs to be unlocked Percs!

Gives The Wafer effect while in the room. Unlocked by completing Challenge #24: PAY TO PLAY.

29 Needs to be unlocked Addicted!

Makes Isaac take a full heart of damage from all sources for the current room. Unlocked by completing Challenge #24: PAY TO PLAY.

30 Needs to be unlocked Re-Lax

For a short time, poop spawns wherever Isaac moves, like Explosive Diarrhea but with poop. A higher move speed means you can touch more tiles in the same time. A pun on laxatives. Unlocked by completing Challenge #25: Have a Heart.

31 Needs to be unlocked ???

Gives the Curse of the Maze effect for the remainder of the floor. The effect can stack with other curses. If no other curses are active for the floor, Curse of the Maze will appear under the level name when TAB is held. This effect cannot be negated by Black Candle. Unlocked by completing Challenge #25: Have a Heart.

32 One makes you larger

Increases Isaac's size and decreases the pitch of his voice. This effect does not increase the size of Isaac's hitbox. Added in Afterbirth † These pills contribute to the Stompy transformation.

33 One makes you small

Decreases Isaac's size and increases the pitch of his voice. This effect decreases the size of Isaac's hitbox.

34 Infested!

Destroys all poop in the room and spawns a single Blue Spider under Isaac and on each destroyed poop.

35 Infested?

Spawns Blue Spiders equal to the number of enemies in the room. If there are no enemies in the room, spawns 1-3 Blue Spiders.

36 Power Pill!

Activates an effect similar to The Gamekid.

37 Retro Vision

Briefly pixelates the screen 3 times over 30 seconds.

38 Friends Till The End!

Spawns three Blue Flies.

Added in Afterbirth † Afterbirth †
39 X-Lax

Creates a pool of slippery brown creep underneath Isaac.

40 Something's wrong...

Creates a pool of black creep beneath Isaac.

41 I'm Drowsy...

Upon use, slows all enemies for the duration of the room.

42 I'm Excited!!!

Upon use, increases the speed of all enemies for the duration of the room. The effect triggers again 30 seconds after use and 60 seconds after use.

43 Needs to be unlocked Gulp!

Upon use, any trinkets that the player is holding are destroyed, and their effects are permanently applied to the player. Unlocked by acquiring the Once More With Feeling! achievement.

44 Needs to be unlocked Horf!

Upon use, Isaac shoots an explosive tear with the Ipecac effect that always deals 200 damage.
Unlocked by acquiring the Dedication achievement.

45 Needs to be unlocked Feels like I'm walking on sunshine!

Temporarily makes Isaac invincible, similar to Unicorn Stump.
Unlocked by acquiring the Sin Collector achievement.

46 Needs to be unlocked Vurp!

Throws up the last pill you used. Will spawn itself if no other pills were taken beforehand.
Unlocked by acquiring the U Broke It! achievement.

Pill Appearances[edit | edit source]

BlueBlue.png RedSpecled.png YellowOrange.png Pill WhiteWhite.png WhiteBlue.png BlueCyan.png OrangeOrange.png WhiteRed.png SpottedwhiteWhite.png

Added in Afterbirth Pill Black White.png Pill Black Yellow.png Pill White Cyan.png Pill White Yellow.png

Notes[edit | edit source]

  • Among the attribute modifying pill effects, only five of the seven visible attributes are covered: health, range, tears, speed, and luck. Both shot speed and damage can't be altered by pills.
  • Added in Afterbirth Pill effects have a chance to be narrated upon use, as do cards and runes.
  • Added in Afterbirth Currently, the "Retro Vision" pill effect can crash the game on some machines, resulting in restarting the current floor when the game is continued.
  • Added in Afterbirth The "Addicted!" pill will have no effect if Isaac has The Wafer The Wafer
    The Wafer Icon.pngAll sources of damage that would cause more than one half heart of damage are reduced to one half heart instead.
    .
    • Despite this, if one takes both the "Addicted!" pill with "Percs!" in the same room, Isaac will take a full heart of damage from all sources.
  • Having Midas' Touch Midas' Touch
    Midas' Touch Icon.pngEnemies that touch you are stunned and turn gold. Any enemy killed while in this state will drop a coin.
    and using a "Re-Lax" pill has a chance to spawn golden poop.
  • Having and using a "Re-Lax" pill has a chance to spawn black poop.
  • Added in Afterbirth Using an "Infested!" pill on red poop will spawn blue spiders and the red poop will regenerate.
  • Added in Afterbirth † Using a "Gulp!" pill while holding two trinkets (with Belly Button Belly Button
    Belly Button Icon.pngDrops a random trinket. Grants a second trinket slot.
    , Mom's Purse Mom's Purse
    Mom's Purse Icon.pngAllows Isaac to hold 1 additional trinket.
    , etc.) will cause both trinkets to be absorbed.

Strategy[edit | edit source]

  • Use of unidentified pills is recommended for outside of combat as Hematemesis, R U a Wizard, Paralysis, Added in Afterbirth Addicted!, and Added in Afterbirth † I'm Excited!!! can be detrimental mid-fight. However, Added in Afterbirth † I'm Drowsy..., Added in Afterbirth Percs, Lemon Party, Bad Gas, and Pheromones are nearly useless outside of combat.
  • Added in Afterbirth The invincibility effect from Power Pill and Added in Afterbirth † Feels like I'm walking on sunshine! can be utilized to get into Curse Rooms or play Blood Donation machines without taking any damage.

Unlockable achievements[edit | edit source]

  • Lachryphagy
    Added in Afterbirth † Lachryphagy - Collect 10 "tears up" items or pills in one run.

Trivia[edit | edit source]

  • Hematemesis is the vomiting of blood.
  • Lemon Party is an internet shock site featuring a group of elderly men performing oral sex.
  • Added in Afterbirth † The Vurp! pill is a portmanteau of the words vomit and burp.
  • Added in Afterbirth Power Pills activating the Gamekid effect is a reference to Pac-Man, in which the "Super-Pac" powerup is obtained by eating a Power Pellet.
  • I Found Pills (and Ate Them), R U a Wizard?, and I can see Forever are all image macro memes.
    • Despite being called I Can See Forever, the effects only last for the rest of that floor.
  • Added in Afterbirth † The Feels like I'm walking on sunshine! pill is a reference to the 80s song Walking on Sunshine.
  • Balls of Steel is a reference to Duke Nukem; it is one of Duke's more famous quotes.
  • Explosive Diarrhea is extremely loud and forceful diarrhea. In the original game, the message that displayed when the pill was activated was "Oh No!"
  • Even though it plays a negative "buzzer" sound effect when used, Explosive Diarrhea could potentially be useful. The same goes for Puberty, which is completely neutral and has a positive effect in Afterbirth+.
  • In the original game, Wrath of the Lamb, there was another positive pill effect called "Friends Til The End", which summoned 3 blue attack flies. This effect was improved and given to the Rune Berkano in Rebirth.
    • Added in Afterbirth The pill effect was re-added.
    • Added in Afterbirth Note that the "Infested?" and "Infested!" pill effects are similar to the original "Friends Til The End" effect, but instead of spawning three flies, a variable number of spiders spawn.
  • Added in Afterbirth The Friends Till The End! pill is the only non-narrated pill.
    • Added in Afterbirth † The Friends till the End! pill now has narration.
  • 48 Hour Energy is a reference to the drink 5 Hour Energy.
  • Added in Afterbirth "One makes you larger" and "One makes you small" are references to Alice in Wonderland, and the specific wording is a reference to the song White Rabbit by Jefferson Airplane.
  • Added in Afterbirth "Percs" is a reference to a street name for the prescription drug Percocet, which is more generically known as Oxycodone. This drug is meant to be used to treat pain, but often abused for recreational purposes.
    • It may also be be a play on the word "perk".
  • Added in Afterbirth The "Re-Lax" and Added in Afterbirth † "X-Lax" pill effects are references to laxatives.
  • Added in Afterbirth The "???" is the only pill which has 3 different narrated voice lines.
  • Amnesia is the loss of memory.
  • The "Bad Gas" pill is a reference to bad smelling gas from farts.
  • Paralysis is the loss of muscle function for one or more muscles.
  • Pheremones are chemicals that trigger social responses in members of the same species.
  • Puberty is the process of physical change as a child's body matures into an adult body.

Voiceovers[edit | edit source]

Pill Voiceover
???


48 Hour Energy
Addicted
Amnesia
Bad Gas
Bad Trip
Balls of Steel
Bombs Are Key
Feels like I'm walking on sunshine!
Friends Till the End!
Full Health
Gulp!
Health Down
Health Up
Hematemesis
Horf!
I Can See Forever
I Found Pills
I'm Drowsy...
I'm Excited!!!
Infested!
Infested?
Lemon Party
Luck Down
Luck Up
One Makes You Larger
One Makes You Small
Paralysis
Percs
Pheromones
Power Pill
Pretty Fly
Puberty
R U a Wizard?
Range Down
Range Up
Re-Lax
Retro Vision
Something's wrong...
Speed Down
Speed Up
Tears Down
Tears Up
Telepills
Vurp!
X-Lax


The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth
MainPageAchievements.png Achievements MainPageAttributes.png Attributes MainPageBosses.png Bosses TarotCard.png Cards and Runes MainPageChallenges.png Challenges MainPageChapters.png Chapters
Isaac App.png Characters MainPageBabies.png Co-op MainPageItems Small.png Items Item Pools Item Pools MainPageMonsters.png Monsters MainPageObjects.png Objects
Red heart.png Pickups BlueBlue.png Pills MainPageRooms.png Rooms MainPageSeeds2.png Seeds Guppy App.png Transformations The Left Hand Icon.png Trinkets