Omeprazole 20mg - 28 Capsules

• Prescription-only medicine containing 20mg omeprazole
• Gastro-resistant capsules designed to release omeprazole after passing through the stomach
• Used for conditions including acid reflux, heartburn and GORD

Omeprazole 20mg: What You Need to Know

When heartburn starts happening regularly, you may find yourself wondering whether it is something you can simply put up with or whether you need treatment. A burning feeling in the chest, sour-tasting fluid coming back into your mouth or discomfort after meals can all be linked to acid reflux.

Omeprazole is a proton pump inhibitor (PPI) used to reduce the amount of acid produced by the stomach. It can be prescribed for conditions including symptomatic gastro-oesophageal reflux disease (GORD), reflux oesophagitis and stomach or duodenal ulcers. It can also be used alongside antibiotics to treat H. pylori infection in people with peptic ulcers.

This product contains 20mg of omeprazole in each gastro-resistant capsule. The capsules contain small pellets that are protected from stomach acid. This allows the medicine to be released in the right part of the digestive system rather than being broken down too early.

Omeprazole 20mg is a prescription-only medicine in the UK. An online consultation gives a prescriber an opportunity to assess your symptoms, medical history and current medicines before deciding whether treatment is appropriate.

If you are searching for omeprazole 20mg UK, it is important to remember that the medicine should be used according to your prescription. Completing a consultation does not automatically mean that omeprazole will be prescribed.

What Is Omeprazole 20mg - 28 Capsules?

Omeprazole is the active ingredient in this medicine. It belongs to the proton pump inhibitor group, which reduces the production of stomach acid.

Omeprazole 20mg capsules are used for several acid-related conditions in adults. These include symptomatic GORD, reflux oesophagitis, stomach and duodenal ulcers, prevention of some ulcers linked to non-steroidal anti-inflammatory drugs (NSAIDs), and H. pylori eradication alongside appropriate antibiotics.

For symptomatic GORD, the licensed product information recommends 20mg once daily for adults. Some people may respond to 10mg daily, so the dose can be adjusted depending on individual circumstances. If symptoms have not been adequately controlled after four weeks of treatment with 20mg daily, further investigation is recommended.

Other conditions can require different doses. For example, treatment for severe reflux oesophagitis or Zollinger-Ellison syndrome follows different dosing instructions. You should therefore use the dose prescribed for you rather than assuming that 20mg is suitable for every type of acid-related problem.

The 28-capsule pack contains 28 gastro-resistant capsules. Other strengths and formulations of omeprazole are also available, but your prescriber will decide whether this particular strength and formulation are appropriate.

How Does Omeprazole 20mg Work?

Your stomach naturally produces acid to help digest food. This is normal and necessary, but acid moving upwards into the oesophagus can cause irritation and symptoms such as heartburn and acid reflux.

Omeprazole reduces stomach acid by blocking an enzyme called H+/K+ ATPase. This is sometimes known as the proton pump because it is involved in the final stage of acid production by cells in the stomach lining.

By reducing acid production, omeprazole can help relieve acid-related symptoms and support healing when reflux has caused inflammation in the oesophagus.

Omeprazole does not work like a simple antacid. An antacid neutralises acid that is already present in the stomach, whereas omeprazole reduces the amount of acid the stomach produces.

Clinical Information at a Glance

Active ingredient: Omeprazole 20mg.

Medicine class: Proton pump inhibitor (PPI).

Form: Gastro-resistant hard capsule.

Licensed uses: In adults, omeprazole is used for symptomatic GORD, reflux oesophagitis, gastric and duodenal ulcers, prevention of some NSAID-associated ulcers, H. pylori eradication alongside appropriate antibiotics and Zollinger-Ellison syndrome.

For symptomatic GORD, the recommended adult dose is 20mg once daily. Some people may respond to 10mg daily, while other conditions may require a different dose. If symptoms are not adequately controlled after four weeks on 20mg daily, further investigation is recommended.

Prescription status: Omeprazole 20mg capsules are available as prescription-only medicines in the UK.

The NHS advises taking prescribed omeprazole consistently and following the instructions supplied with the medicine.

Omeprazole 20mg Compared With Other Treatments

Omeprazole is one of several medicines used to manage acid-related conditions. Other proton pump inhibitors, including lansoprazole and esomeprazole, work in a similar way by reducing stomach acid. Famotidine belongs to a different group called H2-receptor antagonists and reduces acid production through another pathway.

The choice depends on the condition being treated, your medical history, other medicines and how you respond to treatment. These medicines are not simply interchangeable, even when they are used for similar symptoms.

Omeprazole 20mg: Contains omeprazole and belongs to the PPI group. It is commonly prescribed once daily for symptomatic GORD, although other conditions may require different doses.

Lansoprazole: Another PPI used for conditions such as GORD, reflux oesophagitis and some ulcers. It contains a different active ingredient and has its own dosing instructions.

Famotidine: An H2-receptor antagonist that reduces stomach acid differently from a PPI. Its licensed uses, dose and suitability are different from omeprazole.

Active ingredient: Omeprazole contains omeprazole, lansoprazole contains lansoprazole and famotidine contains famotidine.

Medicine type: Omeprazole and lansoprazole are PPIs. Famotidine is an H2-receptor antagonist.

How it is taken: Omeprazole capsules are generally taken once daily when prescribed for GORD, although dosing varies according to the condition. Lansoprazole and famotidine also have condition-specific instructions.

Food considerations: Omeprazole capsules can be taken with or without food according to NHS guidance, although taking them at the same time each day can help you remember your dose. Some other formulations and treatment regimens have specific timing instructions.

Typical onset: Omeprazole does not provide the immediate neutralising effect of an antacid. NHS guidance states that it usually starts to work within two to three days, although it can take longer to achieve full symptom control.

Suitability: Medical history, other medicines, age, pregnancy or breastfeeding and the reason for treatment all need to be considered.

Price: The omeprazole 20mg price and the price of alternative medicines can vary between products and pharmacies. Current prices should be checked separately rather than assuming one treatment will always cost less.

Your Treatment Journey

Starting treatment

Before omeprazole is prescribed, your symptoms and medical history should be considered. Your prescriber may ask how long you have had symptoms, how often they occur and whether anything makes them better or worse.

Your other medicines are also important because omeprazole can interact with some medicines or affect how they work.

Some symptoms may need further assessment rather than treatment with a PPI alone. This is particularly important if symptoms are persistent, unusual or changing.

Choosing a dose

For symptomatic GORD in adults, 20mg once daily is the recommended dose in the licensed product information. However, the dose can differ for other conditions. Some people with GORD may respond to 10mg, while more severe acid-related conditions may require a higher dose under professional supervision.

The strength on the pack should therefore not be treated as a general recommendation for everyone with heartburn. Your prescriber will decide whether omeprazole 20mg is appropriate for you.

Reviewing treatment

Treatment length depends on why omeprazole has been prescribed. Some people need a short course, while others require longer-term treatment.

If you are taking omeprazole for symptomatic GORD and your symptoms have not been adequately controlled after four weeks at 20mg daily, the product information recommends further investigation. Continuing to increase the dose without professional advice is not appropriate.

People taking omeprazole for a long time may also need periodic reviews to check whether continued treatment is still appropriate and whether the lowest suitable dose is being used.

Changing treatment

If omeprazole is not controlling your symptoms, a prescriber may review your diagnosis, dose, treatment duration or choice of medicine.

Depending on the circumstances, they may recommend another acid-reducing medicine or investigate another possible cause of your symptoms.

Do not increase your prescribed dose, switch to another medicine or stop regular treatment without discussing this with a healthcare professional.

How Omeprazole 20mg Fits Into Treatment

Omeprazole is intended to reduce acid-related symptoms and help treat conditions where reducing stomach acid is clinically appropriate.

For people with GORD or reflux-related symptoms, treatment may reduce heartburn and acid regurgitation. Where reflux has caused inflammation of the oesophagus, reducing acid can also support healing.

It is important to understand that omeprazole does not treat every possible cause of chest or stomach discomfort. If symptoms continue despite treatment, further assessment may be needed.

The response to treatment can vary between people. Some notice improvement within a few days, but full control of symptoms can take longer. NHS guidance states that omeprazole usually begins working within two to three days.

Why Lifestyle and Other Factors May Still Matter

Diet and eating habits

You do not usually need to follow a special diet while taking omeprazole. However, certain foods can trigger or worsen reflux symptoms in some people. Rich, spicy or fatty foods, acidic foods and fizzy drinks are common examples.

It can be useful to notice which foods affect your own symptoms rather than avoiding large groups of foods unnecessarily.

Caffeine and alcohol

Coffee, tea, cola and other caffeinated drinks may worsen symptoms for some people. Alcohol can also make reflux symptoms worse. If you notice a clear connection, reducing these drinks may help alongside prescribed treatment.

Eating before bed

If your symptoms are worse at night, avoiding food for at least three hours before going to bed may help. Raising the head and shoulders of the bed can also reduce night-time reflux for some people.

Smoking

Smoking can contribute to acid reflux symptoms. Stopping smoking has wider health benefits and may also help if you notice that smoking makes your symptoms worse.

Other medicines and health conditions

Tell your prescriber or pharmacist about all medicines, vitamins and supplements you take. This is particularly important if you take medicines such as warfarin, digoxin, tacrolimus, methotrexate, clopidogrel or certain HIV medicines, because omeprazole can affect or be affected by some of these treatments.

What to Know Before Taking Omeprazole 20mg

Omeprazole is suitable for many people with acid-related conditions, but it is not the right treatment for everyone. Your prescriber will consider your symptoms, medical history and other medicines before treatment starts.

Tell your prescriber if you have liver problems, have previously had a stomach or bowel problem, or have been taking omeprazole or another PPI for a long time.

You should also mention any symptoms that are unusual for you, particularly if they have recently started or are getting worse. Some symptoms need further investigation rather than being treated as straightforward heartburn.

Medicines that may interact with omeprazole

Omeprazole can interact with some medicines or change how they work. This does not necessarily mean that you cannot take omeprazole, but your prescriber needs to know what you are taking.

Medicines that may need particular consideration include:

• Warfarin and some other medicines that affect blood clotting
• Clopidogrel
• Digoxin
• Tacrolimus
• Methotrexate, particularly at higher doses
• Some medicines used to treat HIV
• Certain antifungal medicines
• Some medicines whose absorption is affected by changes in stomach acid

Include medicines that you buy without a prescription, as well as vitamins and herbal supplements, when completing an online consultation. If you are unsure whether something is relevant, it is better to mention it.

How to Take Omeprazole 20mg

Take omeprazole exactly as prescribed and follow the instructions supplied with your medicine. For symptomatic GORD, the usual adult dose is 20mg once daily, although other conditions can require a different dose or treatment schedule.

Omeprazole capsules can generally be taken with or without food. Taking your dose at around the same time each day can make it easier to remember.

Swallow the capsule whole with a drink of water. Do not chew or crush the gastro-resistant pellets inside the capsule because they are designed to protect the medicine from stomach acid.

If you have difficulty swallowing capsules, speak to your pharmacist or prescriber before changing how you take them. Some omeprazole capsules can be opened and their contents taken in a particular way, but the pellets still need to remain intact.

What if you miss a dose?

If you forget to take your omeprazole, take it when you remember unless it is nearly time for your next dose.

If your next dose is due soon, skip the missed dose and take your next dose at the usual time. Do not take two doses together to make up for a missed capsule.

Possible Side Effects of Omeprazole 20mg

Like all medicines, omeprazole can cause side effects, although not everyone experiences them.

Common side effects can include headache, stomach pain, nausea, vomiting, diarrhoea, constipation and increased wind. These are often mild, but speak to a pharmacist or prescriber if they are troublesome, persistent or getting worse.

When should you seek medical help?

Seek urgent medical attention if you develop signs of a serious allergic reaction, such as swelling of the face, lips, mouth or throat, difficulty breathing or a severe skin reaction.

Severe or persistent diarrhoea, particularly if it is accompanied by fever or significant abdominal pain, should also be assessed by a healthcare professional.

If you take omeprazole for a long period, your treatment may need to be reviewed from time to time. Long-term PPI treatment can affect the absorption of certain nutrients and may be associated with other risks in some people.

Omeprazole During Pregnancy and Breastfeeding

If you are pregnant, planning to become pregnant or breastfeeding, tell your prescriber before taking omeprazole.

Omeprazole may be used during pregnancy or breastfeeding when a healthcare professional considers it appropriate. The decision will depend on your symptoms, the reason for treatment and your individual circumstances.

Do not start, stop or change regular treatment during pregnancy without discussing it with your doctor, prescriber or pharmacist.

Omeprazole and Mounjaro

If you are taking Mounjaro (tirzepatide), tell your prescriber before starting omeprazole.

Mounjaro can cause digestive symptoms such as nausea, indigestion, abdominal discomfort and reflux in some people. If you notice new or worsening heartburn after starting Mounjaro, it is worth discussing the symptoms rather than assuming that you simply need another medicine.

Omeprazole and Mounjaro may be used together when clinically appropriate. However, taking Mounjaro does not automatically mean that you need omeprazole. Your symptoms and other medicines should be considered before treatment is started.

How Long Does Omeprazole 20mg Take to Work?

Omeprazole is not an instant antacid. It works by reducing the amount of acid your stomach produces, so it can take some time for the effect to become noticeable.

Some people start to feel an improvement within two to three days, while symptoms can take longer to settle fully.

If you are taking omeprazole for symptomatic GORD and your symptoms have not been adequately controlled after four weeks of 20mg once daily, further assessment may be needed. Do not increase the dose yourself simply because your symptoms have not improved.

What If Omeprazole Does Not Help?

If your heartburn or acid reflux does not improve while taking omeprazole, there are several possible reasons.

The symptoms may not be caused mainly by stomach acid, your treatment may need reviewing, or another condition may need to be considered. Lifestyle factors, other medicines and the timing of symptoms can also be relevant.

If symptoms continue, become more frequent or return soon after treatment stops, speak to a GP, prescriber or pharmacist. They may review your diagnosis, dose and treatment length or consider whether further investigation is needed.

Do not keep increasing your dose or taking omeprazole for longer than advised without professional guidance.

Stopping Omeprazole 20mg

How you stop omeprazole depends on why you were prescribed it and how long you have been taking it.

After longer-term treatment, some people can experience a temporary increase in stomach acid when a PPI is stopped. This is known as rebound acid secretion and can cause heartburn or reflux symptoms to return for a period of time.

If you have been taking omeprazole regularly for a long time, speak to your prescriber before stopping it. They can advise whether you should stop treatment, reduce the dose or change to another approach.

Omeprazole 20mg and Alcohol

There is no specific requirement for everyone taking omeprazole to avoid alcohol, but alcohol can make reflux symptoms worse in some people.

If you notice that alcohol regularly triggers heartburn, acid regurgitation or indigestion, reducing your intake may help. If symptoms continue despite making changes, speak to a healthcare professional.

Omeprazole 20mg and Antacids

Antacids and omeprazole work differently. Antacids neutralise acid that is already present in the stomach, while omeprazole reduces the amount of acid produced.

They may sometimes be used alongside each other, but you should follow the instructions provided with your medicines. If you regularly need an antacid in addition to omeprazole because your symptoms are not controlled, speak to a pharmacist or prescriber.

When Should You Speak to a GP About Acid Reflux?

Heartburn and acid reflux are common, but symptoms that keep coming back or do not improve with treatment may need further assessment.

Speak to a GP or another healthcare professional if you have:

• Difficulty or pain when swallowing
• A feeling that food is getting stuck when swallowing
• Unexplained weight loss
• Repeated vomiting
• Vomiting blood or material that looks like coffee grounds
• Black or tar-like stools
• Persistent or worsening stomach pain
• Reflux symptoms that continue despite treatment

Chest pain should not automatically be assumed to be heartburn. If you have new, severe or unusual chest pain, particularly if it occurs with breathlessness, sweating, dizziness or pain spreading to your arm, jaw or back, seek urgent medical attention.

Key Points About Omeprazole 20mg

Omeprazole 20mg is a proton pump inhibitor that reduces the amount of acid produced by the stomach.

It is used for several acid-related conditions, including symptomatic GORD, reflux oesophagitis and some stomach and duodenal ulcers. It can also be prescribed alongside antibiotics for H. pylori eradication.

The capsules contain gastro-resistant pellets that should not be chewed or crushed. Follow the instructions supplied with your medicine if swallowing the capsule is difficult.

For symptomatic GORD, 20mg once daily is a recommended adult dose, although the appropriate dose and treatment length depend on the condition being treated.

Omeprazole does not work like an instant antacid. Some people notice improvement within a few days, while symptoms may take longer to settle.

If treatment is not helping, symptoms keep returning or you develop warning signs such as difficulty swallowing, unexplained weight loss, vomiting blood or black stools, speak to a healthcare professional.

If you are obtaining omeprazole through an online pharmacy, a UK-registered prescriber should review your symptoms, medical history and current medicines before deciding whether it is appropriate. Completing a consultation does not automatically result in a prescription.