"Zürkh" Tincture (+)

"Zürkh" Tincture (+) is a Drug in Pathologic 2 made by brewing Ashen Swish with any other herb except Swevery.

When used on oneself, it restores 70 points of immunity and 40 points of thirst.

It can be used to diagnose and treat others, and in barter with sick Townsfolk and Herb Brides, as well as Worms.