Prilosec OTC® Acid Reducer Delayed-Release Tablets 20 Mg (omeprazole magnesium delayed release tab 20 mg), blocks heartburn for 24 hours with one pill a day. 42 per box.
Features:
• Treats frequent heartburn (occurs 2 or more days a week)
• Not intended for immediate relief of heartburn; this drug may take 1 to 4 days for full effect