Omeprazole 20mg

Effective Acid Reflux Treatment
Omeprazole 20mg
Omeprazole 20mg 1
Omeprazole 20mg 2
Price Checker
£11.69
Includes FREE private prescription
Truck icon Free shipping on all orders over £50

Receive it:
Order within:

  • Thumbs up icon MHRA-approved medication
  • Heart icon Join over 1.65 million customers
  • Lock and shield icon Private and confidential
  • Lightning fast icon Discreet next day delivery
Omeprazole is an effective and established medicine for the treatment of acid reflux.
Gaviscon Double Action Liquid
Gaviscon Liquid - 150ml Only £4.99! Add to Cart
Gaviscon Double Action Liquid
Gaviscon Liquid - 300ml Only £9.99! Add to Cart
Gaviscon Double Action Liquid
Gaviscon Liquid - 600ml Only £14.49! Add to Cart
Gaviscon Double Action Sachets
Gaviscon Sachets Only £11.97! Add to Cart

Buy Omeprazole Online

What is Omeprazole and what is it used for?

Omeprazole is a widely used medication to treat indigestion, heartburn and acid reflux. It belongs to a group of medications called ‘proton-pump inhibitors’ which works by reducing the amount of acid your stomach makes.

How and when do I take Omeprazole?

Adults should take one 20mg capsule with water, preferably first thing in the morning for four weeks. If you are prescribed to take Omeprazole twice a day, it is recommended to take 1 dose in the morning, and 1 dose in the evening.

It is important not to chew the capsule because it will not work properly otherwise.

Can I take Omeprazole?

Omeprazole can be taken by children and babies if it has been prescribed by the doctor. Adults including those that are pregnant and breast feeding are able to take it.

Omeprazole contraindications – There are some instances where omeprazole is not suitable for people to take. You should tell your doctor if you:

  • Are deficient in vitamin B12
  • Are allergic to protein pump inhibitors
  • Have ever had liver disease

What dosage should I take?

Omeprazole is a prescription medication coming in 3 different dosage levels: 10mg, 20mg and 40mg.

The dosage level will depend on what the doctor recommends for you and the severity of the condition. Currently we only supply the 20mg dosage of Omeprazole, if your symtoms require a higher strength treatment it is recommended to see your GP for further advice.

How long should I take it for?

If you bought Omeprazole over the counter and have not seen any improvements in health within 2 weeks, it is best to consult with your doctor. They may want to carry out some tests to see what is causing your symptoms or suggest an alternative medication.

Everybody responds differently to the medication and depending on your illness and the reason for taking Omeprazole, it could take from a few weeks to a few months. It is best to consult with your doctor about what is best for you.

What if I forget to take it?

If you usually take it once a day: Take the missed dose as soon as you remember, unless it is within 12 hours of your next dose then skip the dose.

If you take it twice a day: Take the missed dose unless it is within 4 hours of your next dose.

What if I take too much?

If you accidentally exceed the recommended dosage by taking 1 or 2 extra doses, it is unlikely that it will cause problems.

Consult a doctor if you start suffering from any of these symptoms:

  • Flushed skin
  • Feel sweaty
  • Blurred vision
  • Feeling confused/agitated
  • Quicker heartbeat
  • Feel sleepy

Can I take Omeprazole with alcohol?

Whilst alcohol does not interact with Omeprazole, alcohol can cause acid reflux. If you wish to drink alcohol, we would recommend you do so in moderation. If you suffer dizziness from taking Omeprazole, then drinking alcohol is likely to make it worse.

Can I take Omeprazole whilst I’m pregnant or breast feeding?

It is not known if Omeprazole has any negative effects when used during pregnancy or breastfeeding, but with all medication, it is best to seek medical advice from your doctor first.

How can I help prevent Acid Reflux?

The human gut contains billions of bacteria, most of which are beneficial to our digestive and immune systems. They help us to digest our food, absorb nutrients, metabolise drugs, prevent inflammation, and provide a barrier to disease-causing pathogens into the body. These ‘good’ bacteria balance out the more toxic and damaging bacteria which are also present in the gut. Sometimes this balance may be lost (such as after a course of antibiotics), causing a range of symptoms. Knowing your gut type, taking probiotics and making dietary changes are steps you can take to maintain a healthy gut bacteria balance. Read more on healthy gut bacteria balance here.

What is Losec?

Losec is the brand name for Omeprazole. They work in the same way as Omeprazole and contain the same quantity of the active ingredient, Omeprazole but Losec is more expensive as it is the ‘branded’ version.

What are the alternatives to Omeprazole?

See our range of acid reflux medications here

Lifestyle changes such as: quitting smoking, losing weight if you are overweight, wearing more loose-fitting clothing, elevating your head when sleeping are all ways which can help with acid reflux.

 Information Leaflet

Always read the patient information leaflet before commencing treatment.

Important: We advise you to always read the patient information leaflet inside the medication box, as the generic medication may not always entirely match the patient information leaflet listed. Please contact us if you have any questions.

Written and reviewed by our qualified team

GPhC Number: 2088658

Ana Carolina Goncalves
Authored by: Ana Carolina Goncalves Superintendent
Pharmacist

GPhC Number: 2225869

Rehma Gill
Reviewed by: Rehma Gill Pharmacy
Manager

Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 27 Feb 2025

Omeprazole Reviews

Overall Rating
9.8 / 10
Ratings Distribution
5 stars
870
4 stars
60
3 stars
7
2 stars
0
1 star
8

Based on 945 independent customer reviews taken by Feefo, Google and Trustpilot.

Truspilot logo
Google logo
Feefo logo
"Great service"

Product Review:

Great product for heartburn and acid reflux

Service Review:

Great service. Fast and efficient. Easy ordering. Maybe a little expensive

Review from: Trustpilot

TickVerified Buyer

"Great company"

Product Review:

Great quick easy reliable service

Service Review:

Quick easy service every time

Review from: Trustpilot

TickVerified Buyer

"Easiest, most reliable way to source medication"

Product Review:

Quick, efficient and reliable.

My order arrives promptly and I would recommend using Pharmica

Service Review:

Excellent

Review from: Feefo

TickVerified Buyer

"Cure for heartburn and reflux"

Product Review:

Arrived promptly and sorted my heartburn after just one tablet. Great service from a dependable company.

Service Review:

My prescription arrived within a couple of days and was exactly as ordered,

Review from: Feefo

TickVerified Buyer

Product Review:

Fabulous product.
Great service
Highly recommend

Review from: Feefo

TickVerified Buyer

Product Review:

did exactly what it said it would do

Review from: Trustpilot

TickVerified Buyer

Product Review:

Fast Delivery, very pleased

Review from: Feefo

TickVerified Buyer

"Excellent and fast delivery"

Product Review:

Very good for heartburn

Service Review:

Excellent and fast delivery

Review from: Trustpilot

TickVerified Buyer

"First time buyer"

Product Review:

Great service from ordering to delivery and the tablets have easy to understand details well done, I ordered Omeprazole and they did the job for me

Service Review:

Good easy to use service and fast delivery

Review from: Feefo

TickVerified Buyer

Product Review:

Easy to order , and came really quick would definitely recommend using this company for your medication needs.

Service Review:

Easy,speedy just what was needed.

Review from: Feefo

TickVerified Buyer

Discreet service

Discreet Packaging

Your privacy is important to us. That’s why we’ve taken every step to ensure your order arrives in the most discreet way possible.

From start to finish, your purchase is handled with complete confidentiality. You’ll never see our brand name on your bank statement, bills or delivery papers.

All our parcels are sent in plain, unmarked packaging with no logos, no product descriptions and no indication of what’s inside.

Estimated delivery

Signed For 1st Class

£2.90 - Friday 13 June

Collect from your Post Office

£3.95 - Friday 13 June

Special Delivery 1pm Guaranteed

£5.95 - Friday 13 June by 1pm

Special Delivery 9am Guaranteed

£13.95 - Friday 13 June by 9am

Same Day Delivery

from £4.95 - Thursday 12 June

How does it work?

How it works - Consultation

Online consultation

Complete a short questionnaire to check your eligibility for treatment

Refer a friend step 1

Choose a treatment

Select the treatment or medication you need from leading brands

How it works - Delivery

Express delivery

Medication is dispensed and delivered to your home or work

Related articles

Acid reflux is a very common health condition, with almost 1 in 5 people in the UK experiencing symptoms at some point in their lifetime.
Learn about what causes digestive problems and uncover the surprising relationship between your gut and your emotions!
Try these tips for relieving painful acid reflux and GORD symptoms.
Could a different health condition be amplifying your asthma symptoms? We explore what other medical conditions tend to aggravate asthma, and what you can do about it.