The Red Flute (Japanese: あかいビードロ Red Vidro) is a type of medicine introduced in Generation III. It is one of the flutes.
In the Generation V games, the Red Flute can be sold to the billionaire maniac in Undella Town for 7500.
When used in battle, snaps a Pokémon out of infatuation.
The Red Flute serves no practical purpose other than to be sold.