Vermin madness

From NWNWiki

Initial save DC: 13
Subsequent save DC: 13
Initial ability damage: 1 intelligence
Secondary ability damage: 1 wisdom
Tertiary ability damage: 1 charisma
Incubation period: 1 hour
Type: extraordinary effect

Vermin madness is resisted upon contraction if the target makes a successful initial fortitude saving throw. After the incubation period, subsequent fortitude saves are attempted to resist the ability damage. Two successful subsequent saves in a row will remove the disease (but not the side-effects).