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Product Overview

Omeprazole (generic Prilosec OTC)

  • What is omeprazole?
    Omeprazole (generic Prilosec OTC) is a prescription drug used to treat gastroesophageal reflux disease (GERD).

    GERD is a serious condition that not only causes discomfort but can also damage the lining of your esophagus. Talk to your doctor about whether Omeprazole is right for your GERD symptoms.

  • What are common side effects of omeprazole?
    While adverse side reactions to omeprazole are rare, some patients who take the drug may experience mild side effects, including constipation, gas, nausea, diarrhea,

    Rare, more serious adverse events have been known to occur. Additionally, long term use of this medicine may have negative effects. If you are concerned that omeprazole is causing you to experience any number of these side effects or want to learn more about the long-term consequences of this medicine, please contact your doctor.

    This is not a complete list of side effects. For more information about adverse effects you may experience while taking omeprazole, please visit the National Institutes of Health’s DailyMed webpage.

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Medically Reviewed By Dr. Allison Edwards, MD

Frequently asked questions about omeprazole

What is omeprazole?

Omeprazole is a prescription medication used to treat gastroesophageal reflux disease (GERD), a condition that causes heartburn and esophagus damage. Omeprazole - generic for the brand name Prilosec OTC - reduces the amount of acid your stomach produces while also helping to heal the lining of your esophagus, the tube between your stomach and mouth that can be damaged by acrid stomach acids.

GERD affects more than 3 million Americans each year. It occurs when the acid and bile that your stomach uses to digest food begins to creep up into the esophagus, damaging and irritating its lining.

Omeprazole can also be used to treat stomach ulcers and, in its lower-dose, over-the-counter form, to treat everyday heartburn.

What is omeprazole used to treat?

Omeprazole is prescribed to treat GERD (gastroesophageal reflux disease). GERD causes stomach acid and bile - integral to digesting food - to enter the esophagus and throat, irritating the lining and causing uncomfortable side effects, like heartburn.

Omexaprole doesn’t just treat GERD, it has shown to be effective in addressing a number of conditions related to the stomach’s overproduction of acid. It can treat Zollinger-Ellison syndrome, for example, as well as stomach and intestinal ulcers. Omezaprole can also be taken to prevent the recurrence of stomach ulcers.

Low-dose omeprazole is available over-the-counter at most pharmacies and drug stores and can be used to treat heartburn. While heartburn is common every once in a while, contact your doctor if you are experiencing it more than twice a week. This could be a sign of GERD.

How does omeprazole work?

Omeprazole belongs to a class of drugs known as proton pump inhibitors. These drugs cause a significant, long-term reduction in stomach acid production. Omeprazole works by blocking a complex process called hydrogen potassium ATPase. Put simply, this is the process that acidifies the stomach and produces the chemicals it needs to break down food. Omeprazole limits this process, placing a limit on the amount of acid the stomach produces and reducing the likelihood that acid will enter the esophagus and cause damage and discomfort.

What are common side effects of omeprazole?

While there are some common side effects associate with omeprazole, it is important to remember that your doctor prescribed this drug because its ability to alleviate your GERD symptoms outweighs any adverse effects it may cause.

Some common side effects, however, may include:

Constipation Gas Nausea Diarrhea Vomiting Headache

Rare but serious side effects of omeprazole may include: rash hives itching swelling of the face, throat, tongue, lips, eyes, hands, feet, ankles, or lower legs difficulty breathing or swallowing hoarseness irregular, fast, or pounding heartbeat excessive tiredness dizziness lightheadedness muscle spasms, cramps, or weakness jitteriness uncontrollable shaking of a part of the body seizures severe diarrhea with watery stools, stomach pain, or fever that does not go away rash on cheeks or arms that is sensitive to sunlight increased or decreased urination, blood in urine, fatigue, nausea, loss of appetite, fever, rash, or joint pain

If you are experiencing any of these symptoms, contact your doctor immediately.

This is not a complete list of side effects associated with omeprazole. For more information on side effects, please visit the National Institutes of Health’s DailyMed page.

What is the typical starting dose of omeprazole?

To treat symptoms of GERD, your doctor will likely prescribe a starting dose of 20 mg of omeprazole per day for up to 4 weeks.

If you’ve been prescribed omeprazole to treat an active duodenal stomach ulcer (these ulcers occur near the opening of the small intestine), your doctor will likely recommend a once-daily dose of 20 mg of omeprazole for up to 4 weeks.

Can I get omeprazole over-the-counter?

Certain strengths of omeprazole are currently only available via prescription. This means the use of this drug must be authorized by a licensed health care provider.

Looking for a prescription? Good news! Providers on Sesame can write a prescription – or refill an existing one – during a virtual or in-person visit. Depending on the medication, you can arrange for same-day pickup at a pharmacy near you or order the medication to be delivered to your door for just $5. Book an online consultation with a real, licensed provider on Sesame today to determine whether or not omeprazole is right for you.

Note that all prescriptions are at the discretion of your health care provider. Providers on Sesame cannot prescribe controlled substances.

Can I get omeprazole online?

Yes! Sesame offers a fully integrated prescription service, which means you can get the medication you need delivered right to your door, starting at just $5 a month.

Talk to a provider on Sesame and get your online doctor prescription or refill ordered right away for fast and convenient pickup from a pharmacy of your choice.

Note that all prescriptions are at the discretion of your clinician.

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