Neutralize poison
From LSWiki
[Spell :] Neutralize Poison [Level :] Four [Reversible :] Yes [Sphere :] Healing [Components :] None [Usage :] cast neutralize poison [-] [on <target>] [Effect :] Casting neutralize poison will remove all poison from the blood of the target if supplied, otherwise from the caster. If the reverse is cast the target or the caster's current attacker will be poisoned.