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What is Omeprazole used for?

Omeprazole is a proton pump inhibitor used to relieve symptoms of gastroesophageal reflux disease. This medication is also prescribed for the treatment of other conditions caused by excess stomach acid production such as ulcers and Zollinger–Ellison syndrome. Omeprazole works by reducing the production of stomach acid. This medicine may also be used to treat other conditions as determined by your doctor.

What are the side effects of Omeprazole?

Like other medicines, Omeprazole can cause some side effects. If they do occur, the side effects of Omeprazole are most likely to be minor and temporary. However, some may be serious and may require the individual to inform the doctor or visit the nearest hospital immediately.

It is pertinent to note that side effects of Omeprazole cannot be anticipated. If any side effects of Omeprazole develop or change in intensity, the doctor should be informed as soon as possible.

Omeprazole can cause side effects such as nausea, vomiting, diarrhea, headache, stomach pain, gas, and rash. This is not a complete list of all side effects. Do concur with your doctor and follow his directions completely when you are taking Omeprazole.

What is the recommended dosage of Omeprazole?

The dosage of Omeprazole prescribed to each patient will vary. Always follow your physician’s instructions and/or the directions on the prescription drug label.

What if you miss a dose of Omeprazole?

If your physician has instructed or directed you to take Omeprazole medication in a regular schedule and you have missed a dose of this medicine, take it as soon as you remember. However, if it is almost time for your next dose, then skip the missed dose and go back to your regular dosing schedule. Do not double the doses unless otherwise directed.

What if you overdose on Omeprazole?

Any medication taken in excess can have serious consequences. If you suspect an overdose of Omeprazole, seek medical attention immediately.

What other drugs could interact with Omeprazole?

It may be noted that drugs other than those listed above may also interact with Omeprazole.

Usually drug interactions occur when it is taken with another drug or with food. Before you take a medication for a particular ailment, you should inform the health expert about intake of any other medications including non-prescription medications, over-the-counter medicines that may increase the effect of Omeprazole, and dietary supplements like vitamins, minerals and herbal, so that the doctor can warn you of any possible drug interactions.

Omeprazole can interact with blood thinners and HIV or AIDS medications.

Do let your doctor know if you smoke, consume alcohol or caffeinated drinks, or use illegal drugs as these may interfere with the action of your medication. Make sure to inform your doctor of any medical conditions you may have, or any family history of medical problems. Do not start or stop using any medicine without consulting your doctor.

What is the best alternative to Omeprazole?

Omeprazole over the counter drugs is as discussed below, the medicine belong to one of the following classes:

  • Proton pump inhibitors (PPIs)
  • H2-Receptor Antagonists (H2-blockers)
  • Antacids

Omeprazole Alternative drugs are available as:

  • General sale list medicines (GSL)
  • Pharmacy-only medication (P)
  • Prescription-only medicines (POM)


Such Omeprazole without prescription medicines can be sold in any shop or supermarket. On the other hand, this mediicne can only be purchased from the pharmacy under the supervision of a pharmacist. This can all include some online pharmacies. A doctor or another qualified prescriber which can only prescribe POM drugs.

Where can I buy Omeprazole over the counter?

You can order omeprazole over the counter tablets from pharmacies and supermarkets. You cannot buy omeprazole without prescription safely; they are prescription only medication. Omeprazole medicine can be bought from pharmacies or supermarkets.

Can I buy Omeprazole without a prescription?

Omeprazole over the counter can be purchased over the counter without a prescription. Omeprazole tablets are classified as P medicine. These Pharmacy chains such as Boots and Lloyds sell their own branded version of Omeprazole named ‘Boots Acid Reflux tablets’ and sometimes called as ‘Heartburn relief’.

What are the questions to ask your doctor before taking Omeprazole?

Is it possible for me to take Omeprazole with other drugs?
Should certain beverages, foods and other products be avoided when I take Omeprazole?
What are the possible drug interactions of Omeprazole?
How will Omeprazole work in my body?
How should Omeprazole be taken?
How to reduce the risk of Omeprazole drug interactions and side effects?


The health and medical information provided here is intended to supplement and not substitute for the expertise and judgment of your physician, pharmacists or other health care professional. It should not be understood to indicate that the use of Omeprazole is safe, appropriate or effective for you. Always consult your health care professional before using this, or any other, drug.


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