In the Dungeons & Dragons fantasy role-playing game, the throat leech is a type of vermin creature.
The throat leech first appeared in White Dwarf #6 (April 1978). The throat leech appeared in the original first edition Fiend Folio (1981).
The throat leech appeared in second edition Advanced Dungeons & Dragons under the "leech" heading in the Monstrous Compendium Volume Two (1989), and in the Monstrous Manual (1993).
A throat leech is a small twig-sized creature found in pools, lakes, and streams. If swallowed, it stays in the creature's throat and sucks blood until it becomes fully distended, which causes the victim to choke.