Change your preferences here.
The user loses HP equal to 1/4 of the damage dealt to the opponent, rounded down. If the user knocks itself out and the opponent's Pokémon survives, then the opponent's Pokémon will not attack during the same turn. The Pokémon will not lose 1 PP for the attack it was about to use. The effects of poison, burn, Leech Seed, and will be ignored on that turn.
Take Down has no competitive use. It is poorly distributed, has terrible accuracy, and is worse than Body Slam, which doesn't inflict recoil damage.
Body Slam is a more powerful alternative which boasts a 30% paralyze chance.
Double-Edge is a much stronger option with recoil.