As the poison took effect, and the others fled, his men opened fire on them.

He would stay out of sight until the poison took effect.

The creature had enough time to look down, then the poison on the throwing star's point took effect.

The deadly poison takes between 30 minutes to 3 hours to kill, in most cases.

It is true that he has many of the symptoms, but the poison takes hours to act on the body.

By this time, the poison inside Kitty has taken effect.

The poison almost immediately took effect and (after being rushed to the hospital) eventually killed the character within an hour.

The poison takes effect and Glen drops to the floor.

Once he drank the wine, the soldiers killed him even before the poison could take effect.

The poison takes the strength from you, and will, until we get it out.