Prevacid^®24HR is indicated for the treatment of frequent heartburn, which occurs 2 or more days a week. Use as directed for 14 days. You may repeat one 14-day course every 4 months or as directed by your doctor. If your heartburn continues or worsens stop use and ask your doctor.

Prevacid^®24HR may take 1-4 days for full effect, although some people get complete relief of symptoms within 24 hours.