This medication works best if you take it at the first sign of an attack.

Then she'll see that you take it at the first sign of a cold.

Have your child take his or her medicines at the first sign of a migraine.

Take it at the first sign of a cold and for 2 days after symptoms subside.

The other approach is to take medication at the first sign of a migraine.

Take this medication at the first sign of a migraine.

It must be taken at the first sign of a migraine.

She recommends taking 500 mg twice a day at the first sign of a cold and continuing for five to seven days.

Take this medication by mouth, with or without food, at the first sign of a migraine.

He takes it and echinacea three times a day at the first sign of a cold.