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A poison is any substance that can cause severe distress or death if ingested, breathed in, or absorbed through the skin. There exists both an Antidote to Common Poisons that can counteract the effect of many ordinary poisons, as well as an Antidote to Uncommon Poisons that is helpful against many rarer ones. A bezoar is a stone taken from the stomach of a goat that will reverse the effects of most poisons, though there are certain unusual ones that it won't work against.
Slow-acting venoms were briefly mentioned in Gilderoy Lockhart's Gadding with Ghouls. Hermione Granger claimed that the contents of Moste Potente Potions would help her to understand what Lockhart had to say about this subject, though this was merely a ploy to obtain the book in order to find the instructions for brewing Polyjuice Potion. Whether or not this book actually contained infomation on slow-acting venoms is unknown.
On Valentine's Day in 1993, Lockhart suggested that students ask Severus Snape to show them how to whip up a Love Potion, but Snape looked "as though the first person to ask him for a Love Potion would be force-fed poison."
On 1 September of that year, following the inspection of the Hogwarts Express by Dementors, Remus Lupin handed out chocolate to Harry Potter and his friends to ward off the effects of the dementor's visit to their cabin, then went to speak with the train's conductor. When he returned and saw that none of them had eaten, he stated "I haven't poisoned that chocolate, you know."
According to an alleged British Ministry of Magic insider in The Quibbler article "How Far Will Fudge Go to Gain Gringotts?", poison was one of the methods that Minister for Magic Cornelius Fudge had employed to have goblins killed.
In addition to those brewed intentionally as poisons, certain types of potions could have poisonous effects if brewed incorrectly. Before testing Neville Longbottom's Shrinking Solution on Trevor, Severus Snape noted that if the potion had not been brewed correctly, Trevor would likely be poisoned. A sign posted at St Mungo's Hospital for Magical Maladies and Injuries advised Healers that "A clean cauldron keeps potions from becoming poisons."
When attempting to interrogate Harry Potter as to the whereabouts of Albus Dumbledore and Sirius Black, Dolores Umbridge requested Veritaserum from Severus Snape. He replied that he had no further stocks of it. He blithely stated that he could not be any further help to her unless she wished to poison Harry, but noted that most venoms act too quickly to give the victim much time for truth-telling.
Hepzibah Smith was killed by Tom Riddle, who spilled a lethal and little known poison into her evening cocoa, under the guise of sugar. Hokey was framed for the crime and was considered to have confused the poison for sugar due to old age.
- Harry Potter and the Philosopher's Stone (First appearance)
- Harry Potter and the Philosopher's Stone (video game)
- Harry Potter and the Chamber of Secrets
- Harry Potter and the Chamber of Secrets (film)
- Harry Potter and the Chamber of Secrets (video game)
- Harry Potter and the Prisoner of Azkaban
- Harry Potter and the Prisoner of Azkaban (video game)
- Harry Potter and the Goblet of Fire
- Harry Potter and the Order of the Phoenix
- Harry Potter and the Half-Blood Prince
- Harry Potter and the Half-Blood Prince (film)
- Harry Potter and the Half-Blood Prince (video game)
- Harry Potter and the Deathly Hallows
- Harry Potter and the Deathly Hallows: Part 1
- Fantastic Beasts and Where to Find Them: The Original Screenplay
- Fantastic Beasts and Where to Find Them
- The Tales of Beedle the Bard (Mentioned only)
- LEGO Harry Potter: Years 5-7
- Harry Potter: Hogwarts Mystery
- Harry Potter: Wizards Unite
Notes and references
- ↑ Harry Potter and the Philosopher's Stone, Chapter 16 (Through the Trapdoor)
- ↑ Harry Potter and the Chamber of Secrets, Chapter 10 (The Rogue Bludger)
- ↑ Harry Potter and the Chamber of Secrets, Chapter 13 (The Very Secret Diary)
- ↑ Harry Potter and the Prisoner of Azkaban, Chapter 5 (The Dementor)
- ↑ Harry Potter and the Order of the Phoenix, Chapter 10 (Luna Lovegood)
- ↑ Harry Potter and the Prisoner of Azkaban, Chapter 7 (The Boggart in the Wardrobe)
- ↑ Harry Potter and the Order of the Phoenix, Chapter 22 (St Mungo's Hospital for Magical Maladies and Injuries)
- ↑ Harry Potter and the Goblet of Fire, Chapter 20 (The First Task)
- ↑ Harry Potter and the Order of the Phoenix, Chapter 29 (Careers Advice)
- ↑ Harry Potter and the Order of the Phoenix, Chapter 32 (Out of the Fire)
- ↑ Harry Potter and the Half-Blood Prince, Chapter 9 (The Half-Blood Prince)
- ↑ Harry Potter and the Half-Blood Prince, Chapter 18 (Birthday Surprises)
- ↑ Harry Potter and the Half-Blood Prince, Chapter 20 (Lord Voldemort's Request)