pf2e.fyi
From Pathfinder Treasure Vault (Remastered), which isn't enabled.

Nightmare Salt

ITEM 20
Price 14000 gp
Usage held in 2 hands
Bulk L
Category poison

Activate (manipulate)

This potent poison consists of crystals whose flavor and appearance mimics edible salt but whose effects are deadly; victims experience periods of waking nightmares that overload the senses and eventually result in death through a combination of shock and exhaustion.

Saving Throw DC 43 Fortitude
Onset 1 hour
Maximum Duration 5 days
Stage 1 Frightened 2 once every 1d4 hours, plus Fatigued (1 day)
Stage 2 Confused for 1 minute once every 1d4 hours, plus Frightened 3 and fatigued (1 day)
Stage 3 frightened 3, plus confused for 1d4 minutes, once every hour, plus fatigued (1 day)
Stage 4 death
Pathfinder Treasure Vault (Remastered)ORC