Desert desire
[ Envie du désert ]
ingested (vegetal) - 200 gp
This green liquid poison is made from a special variety of cactus and causes severe dehydration (intense thirst, fatigue, dizziness).
A creature subjected to this poison must succeed on a DC 11 Constitution DD 11 saving throw or its exhaustion level increases by 2 for 8+1d8 hours. Double normal water consumption reduces the exhaustion level by 1.
Recueil des poisons d´Tapouweb