If the spray has not been used in 48 hours, you may need to prime the pump again before use.

If needed, butorphanol may be used again in 3-4 hours after the second spray or as directed by your doctor.

Do not use more than 10 mg of zolmitriptan in 24 hours.

Do not use more than two (2) injections in 24 hours.

Half of the air-raid shelter has to be ready to use in two hours.

Going at this speed, the 3,000 gallons of fuel would be used in only about 6 hours.

Officer Massey notes that Fruit's phone has not been used in two hours.

Do not use more than 3 milliliters in 24 hours or 6 milliliters in a week.

Discard this type of pre-filled syringe if not used in 24 hours.

Will keep 3 to 4 days; best if used in 24 hours.