Does Teemo's, Cassiopeia's, and Singed's poison stack, or does the stronger poison tack over, or is it the last one how hit the enemy with poison get it, or what?

  • Poison is a damage classification - some damage is poison damage, but the fact that it's poison damage doesn't mean it takes up a theoretical "poison debuff" slot. Same way Ashe arrows can trigger double damage from Anivia's E. Commented Apr 1, 2012 at 5:25

4 Answers 4


It all stacks, so the champ will take damage from each skill used on him.

  • It does!!! That is good to know. I been wondering if it did for a while, but no one know if it did or not!!! Thanks!!! Commented Apr 1, 2012 at 5:09
  • No problem, glad to help.
    – Miles
    Commented Apr 1, 2012 at 5:13

Yes, the damage from the poisons stack, and for Cassiopeia's abilities any poison counts for the additional effect.

Source: http://leagueoflegends.wikia.com/wiki/Cassiopeia_the_Serpent%E2%80%99s_Embrace/Ability_Details


All damage spells stack. Ignite's damage stacks but it does not stack the 50% healing reduction, a person can only be at 50% healing reduction no matter how many ignites are on you.


Actually teemo's "e" does not stack according to lol wiki: "This poison will not stack but the duration will be refreshed with every subsequent attack."

There used to be a bug where Teemo attacked so fast that he never got the poison to activate. This was fixed in the Hecarim/Varus Skills and Stats + Patch Changes in April 2012.

  • I don't know why this was downvoted.. Also, Teemo's shrooms do not stack. So if you put 5 shrooms in one place and someone steps into it, it's a waste of 4 shrooms since they will not do 5 times the damage but only 4 seconds of damage as if someone stepped into a single shroom..
    – tkit
    Commented Apr 10, 2012 at 9:43

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