Elixir of Health

Elixir of Health heals all kinds of poison and then heal the imbiber with 10 points. It's sold at the Sorcerous Sundries in Baldur's Gate and may be found all across the Sword Coast.

In-game description
"The Elixir of Health is a powerful healing mixture designed to cleanse the body of all impurities. First it cures poison, then once the systems have been purged, the imbiber is cured by 10 points to speed up the recovery process."