Harry Potter: "Good – well, look, Neville, we've got to be somewhere, we'll see you later –"
Neville Longbottom: "Don't leave me! I don't want to stay here alone, the Bloody Baron's been past twice already."
Ron Weasley: "If either of you get us caught, I'll never rest until I've learned that Curse of the Bogies Quirrell told us about, and used it on you."
Ron Weasley threatening Neville Longbottom and Hermione Granger during a midnight prowl[src]

The Curse of the Bogies (Mucus ad Nauseam[1]), was a curse that gave the recipient a nasty cold[3] and an extremely runny nose[4] that could cause the victim to collapse if it were not treated.[3] The cold was accompanied with constant sneezing.[3] No further casts of this curse had any additional effect on the target, unless the Duo or Tria modifiers were used.[2]

There existed a counter-curse of unknown incantation covered in the Updated Counter-Curse Handbook, Second Revised Edition,[3]. Presumably a Pepper-up potion would cure the effects as well, though an Antidote to Common Poisons is notably reported to work.[2]


During the 1988–1989 school year, the Slytherin student Ismelda Murk taught this unpleasant curse to Jacob's sibling on the Hogwarts grounds, in order for her to show her appreciation towards them, for having taught her how to cast various spells beforehand.[5]

Quirinus Quirrell mentioned it to his first year class in 1991. Ron Weasley threatened to learn this curse, then use it on Hermione Granger and Neville Longbottom if they got him and Harry Potter caught roaming the school at night on their way to a duel with Draco Malfoy.[6] In the same school year, Harry Potter fell ill when Peeves used this curse on him. Harry had to look for Updated Counter-Curse Handbook in the library to perform the Counter-curse.[3]


"Ad Nauseam" is a Latin term meaning "to the point of nausea". This implies that the curse makes one produce mucus to the point of them feeling physically ill.


Notes and references

  1. 1.0 1.1 Curse of Bogies practise screen on Pottermore (see this image)
  2. 2.0 2.1 2.2 Harry Potter and the Chamber of Secrets - GBC version
  3. 3.0 3.1 3.2 3.3 3.4 Harry Potter and the Philosopher's Stone (video game) - GBC version (Defence Against the Dark Arts Class)
  4. "The Dark Forces: A Guide to Self-Protection" spell menu on Pottermore (see this image)
  5. Harry Potter: Hogwarts Mystery
  6. Harry Potter and the Philosopher's Stone, Chapter 9 (The Midnight Duel)

Defence Against the Dark Arts (D.A.D.A.)
D.A.D.A. at Hogwarts
Classroom 3C · Classroom 3C backrooms · Temporary Classroom · Hogwarts Turris Magnus · Teacher's Office · Storeroom · Staircase · Lesson Cup · Race Cup · Dumbledore's Army
Arsenius Jigger · Albus Dumbledore · Galatea Merrythought · Patricia Rakepick · Quirinus Quirrell · Gilderoy Lockhart · Remus Lupin · Bartemius Crouch Junior (as Alastor Moody) · Dolores Umbridge · Severus Snape · Amycus Carrow (as Dark Arts teacher)
The Dark Forces: A Guide to Self-Protection · Break with a Banshee · Gadding with Ghouls · Holidays with Hags · Travels with Trolls · Voyages with Vampires · Wanderings with Werewolves · Year with the Yeti · The Essential Defence Against the Dark Arts · Defensive Magical Theory · Dark Arts Defence – Basics for Beginners · Confronting the Faceless
Spells studied at Hogwarts under D.A.D.A.
Aqua Eructo Charm · Boggart-Banishing Spell · Cave inimicum · Counter-curses · Counter-jinxes · Counter-spells · Cruciatus Curse · Curse of the Bogies · Defensive Charms · Densaugeo · Deprimo · Disarming Charm · Ear-Shrivelling Curse · Everte Statum · Freezing Spell · Full Body-Bind Curse · Fumos Duo · Green Sparks · Hex-Breaker· Hex-deflection · Hex Zapper · Homorphus Charm · Human-presence-revealing Spell · Impediment Jinx · Imperius Curse · Imperturbable Charm · Killing Curse · Knockback Jinx · Lacarnum Inflamari · Langlock · Limbo Mist anticharm · Nonverbal spells · Patronus Charm · Red Sparks · Reductor Curse · Salvio hexia · Sea Urchin Jinx · Seize and Pull Charm · Shield Charm · Smokescreen Spell · Snake-Vanishing Spell · Softening Charm · Tickling Charm · Tongue-Tying Curse · Trip Jinx · Twitchy-Ears Hex · Verdimillious Charm · Verdimillious Duo Spell · Verdimillious Tria · Vermillious Duo · Vermillious Tria · Wand-Lighting Charm
Creatures studied at Hogwarts under D.A.D.A.
Banshee · Boggart · Cornish Pixie · Dementor · Erkling · Flesh-Eating Slug · Ghost · Ghoul · Grindylow · Gytrash · Hag · Hinkypunk · Iguana · Imp · Inferius · Kappa · Nocturnal beasts · Red Cap · Snake · Troll · Vampire · Vampire bat · Werewolf · Yeti · Zombie
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