FAQs
How It Works, Usage Instructions and More
Prilosec OTC was the first over-the-counter PPI, or proton pump inhibitor, to come on the market over 20 years ago. Shortly after launching, Prilosec OTC became the #1 frequent heartburn medication, and it's remained #1 ever since.
Prilosec OTC is used to block frequent heartburn by shutting down many of the pumps in your stomach that produce excess acid.
Prilosec OTC blocks frequent heartburn by shutting down many of the pumps in your stomach that produce excess acid.
No, Prilosec OTC is not an antacid. Prilosec OTC is a proton pump inhibitor, or PPI.
Prilosec OTC starts to work on the very first day of treatment, but may take 1 to 4 days for full effect (although some people get complete relief within 24 hours). Taking Prilosec OTC every day for 14 days helps to ensure that acid production is consistently controlled.
Yes, Prilosec OTC is an over-the-counter medication and available without a prescription.
The active ingredient in Prilosec OTC is omeprazole, which is a proton pump inhibitor (PPI), a class of drugs used to treat frequent heartburn symptoms by reducing the acid in the stomach that can cause heartburn.
Yes, to find omeprazole over-the-counter, look for Prilosec OTC.
"Doctors have prescribed omeprazole to millions of patients to treat acid-related conditions safely, and millions of people have tried Prilosec OTC to treat their frequent heartburn.
If you have any questions about Prilosec OTC, please call our consumer relations line at 1-800-289-9181."
Do not take more than one pill a day. As part of a course of therapy, take only one pill a day to treat frequent heartburn for 24 hours.* Take one pill a day with a glass of water before eating in the morning for 14 days. You may repeat this 14-day treatment every four months, or as directed by your doctor.
The most common side effects associated with Prilosec OTC are mild and comparable to placebo. Headache, abdominal pain, nausea, diarrhea, vomiting, and flatulence.
The most common side effects associated with Prilosec OTC are mild and comparable to placebo. Headache, abdominal pain, nausea, diarrhea, vomiting, and flatulence.
The most common side effects associated with Prilosec OTC are mild and comparable to placebo. Headache, abdominal pain, nausea, diarrhea, vomiting, and flatulence.
Take one pill a day with a glass of water before eating in the morning for 14 days. You may repeat this 14-day treatment every four months, or as directed by your doctor. See label for detailed directions.
Take one pill a day with a glass of water before eating in the morning for 14 days. You may repeat this 14-day treatment every four months, or as directed by your doctor. See label for detailed directions.
No, Prilosec OTC is a 14-day regimen that can be used up to three times a year, but not more often than every 4 months. If you need to use Prilosec OTC for more than the three indicated 14-day courses of treatment, consult with your doctor. Do not take Prilosec OTC for more than 14 days or more often than every 4 months unless directed by a doctor.
Each Prilosec OTC tablet contains 20mg of Omeprazole. Take one pill a day with a glass of water before eating in the morning for 14 days. You may repeat this 14-day treatment every four months, or as directed by your doctor.
Take one pill a day with a glass of water before eating in the morning for 14 days. You may repeat this 14-day treatment every four months, or as directed by your doctor.
No, take one pill a day with a glass of water before eating in the morning for 14 days. You may repeat this 14-day treatment every four months, or as directed by your doctor.
Prilosec OTC is a 14-day regimen that can be used up to three times a year, but not more often than every 4 months. If you need to use Prilosec OTC for more than the three indicated 14-day courses of treatment, consult with your doctor. Do not take Prilosec OTC for more than 14 days or more often than every 4 months unless directed by a doctor.
No, take one pill a day with a glass of water before eating in the morning for 14 days. You may repeat this 14-day treatment every four months, or as directed by your doctor. See label for detailed directions.
If you miss a day, just continue your treatment on the next day.
If your frequent heartburn continues or returns after 14 days of treatment, stop use and talk to your doctor. Your doctor will take steps to ensure there are no potentially serious underlying conditions behind your frequent heartburn, and determine if Prilosec OTC continues to be right for you. Do not take Prilosec OTC for more than 14 days or more often than every 4 months unless directed by a doctor.
†IQVIA ProVoiceTM Survey Jan 2005 – Mar 2021.
* Zero heartburn is possible with Prilosec OTC. Not for immediate relief. Take one pill per day as directed to treat frequent heartburn. May take 1 to 4 days for full effect. Do not take for more than 14 days or more often than every 4 months unless directed by a doctor. Use as directed.
** PG Calculation based in part on Buying Households reported by the Nielsen Company through its Homescan Panel service in the US for Prilosec OTC for the period of 8/31/03 through 6/25/16