Lansoprazole Gastro-Resistant Capsules (15mg & 30mg)

  • Very effective Acid Relux treatment
  • Reduces the amount of stomach acid being produced
  • Fast acting to relieve the symptoms of excessive stomach acid

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What are Lansoprazole gastro-resistant capsules?

Lansoprazole is a proton pump inhibitor that has been used to treat acid related conditions since 1989. Lansoprazole is widely prescribed to treat conditions such as acid reflux, stomach ulcers, Zollinger-Ellison syndrome, and H. Pylori infections.

Lansoprazole Gastro-resistant capsules are designed to withstand dissolving when they encounter stomach acid. Instead, Lansoprazole gastro-resistant capsules release their active ingredient further down the gastrointestinal tract.

Lansoprazole capsules are available in a variety of strengths, 30mg gastro-resistant capsules are the strongest dose available to buy, however if you have not used this medicine before, it is likely you will be prescribed the 15mg option.

Also available in Lansoprazole Orodispersible (Rapid mouth dissolving) tablets.

What are Lansoprazole gastro-resistant capsules used to treat?

Lansoprazole works to reduce the amount of acid in the stomach. It is commonly used to treat and prevent acid related ailments such as internal ulcers, damage to the food pipe from acid reflux and heartburn.

Much like other proton pump inhibitors, Lansoprazole reduces the amount of stomach acid being produced by blocking the enzymes in the stomach that are responsible for creating it. This gives your organs time to heal. You may also have heard of Lansoprazole by its brand name ‘Zoton FasTab’.

In some cases, it is prescribed to treat Zollinger-Ellison syndrome, which is a rare illness caused by a tumour in the gut or pancreas.

How does Lansoprazole work?

As a proton pump inhibitor, Lansoprazole works by preventing the proton pumps of the stomach from working at their full capacity. Proton pumps are responsible for producing stomach acid, due to the inhibitory effect of lansoprazole, the proton pumps produce less stomach acid, and as a result the symptoms of acid related conditions such as acid reflux are relieved. 

The inhibitory effects of Lansoprazole will be felt within 1 hour, reaching full effects within 2 hours.

Who can use Lansoprazole gastro-resistant capsules?

Lansoprazole is a proton pump inhibitor that can be taken by both adults and children when it has been prescribed by a doctor, but it may not be suitable for everyone to use.

Lansoprazole may not be a suitable treatment for everyone, depending on your condition. It is also possible that certain doses of Lansoprazole gastro-resistant capsules may not be suitable to treat certain conditions. For example, your doctor may choose to prescribe Lansoprazole 30mg capsules instead of a lower dose, particularly if you are suffering from painful symptoms. Likewise, if your symptoms are mild the lower dose of Lansoprazole 15mg may be prescribed as a more suitable treatment option.

Tell your doctor before taking Lansoprazole if any of the following apply to you:

  • You have any liver problems (your doctor may adjust your dose)
  • You are allergic to Lansoprazole or any of the ingredients contained in this medication (refer to the ingredients tab for full details)
  • You have osteoporosis or are taking any medicines known as corticosteroids (these can cause osteoporosis)
  • You have ever had a skin reaction while using a medicine that reduces stomach acid in the past
  • You are scheduled to have a Chromogranin A blood test
  • You have or have risk factors of low levels of vitamin B12 and receive treatment with Lansoprazole (this medicine can lead to a reduced absorption of vitamin B12)
  • Your doctor has prescribed Lansoprazole alongside medicines to treat Helicobacter pylori, or to treat pain or rheumatic disease (please read the package leaflets for all medicines very carefully)
  • You take Lansoprazole on a long-term basis (your doctor will want to check how you are doing fairly regularly)
  • You are due to have an endoscopy
  • You have had an allergic reaction to Lansoprazole or any other medicines in the past

Lansoprazole Dose

Lansoprazole 15 mg Capsules

Lansoprazole 15 mg is the lowest strength dose used to treat ulcers and acid reflux.

Lansoprazole 15 mg is also used to maintain positive results and continue to keep down high levels of stomach acid providing effective treatment for acid reflux.

Lansoprazole 30mg Gastro Resistant Capsules

This is the highest strength of Lansoprazole that we sell at Medicine Direct. It can be prescribed by some doctors to be taken once a day for gastric ulcers, or twice a day for Zollinger Ellison syndrome. It could also be prescribed alongside antibiotics to treat infections caused by the Helicobacter pylori bacteria such as Gastritis.

How to take Lansoprazole Capsules

How you should take Lansoprazole is heavily determined by your diagnosis.

Typically, you should follow the below steps when taking Lansoprazole:

  • Swallow Lansoprazole whole with a glass of water, do not crush or chew the tablets
  • Lansoprazole should be ingested 30-60 minutes before meals
  • If you are prescribed Lansoprazole to be taken twice daily, you should split the doses and take one before breakfast and the second dose before dinner
  • If you have trouble swallowing whole capsules, the contents of the capsule can be sprinkled into a glass of water. Please ensure that you drink the whole glass of water within 30 minutes.

For more information on how to take Lansoprazole capsules, you can read our helpful medical guide which offers step by step instructions on how to take Lansoprazole capsules.

Can you buy Lansoprazole gastro-resistant capsules online?

Yes, Lansoprazole 30mg and 15mg gastro-resistant capsules are available to buy online at most online pharmacies. When you buy lansoprazole online, it is important to ensure you are doing so from a fully regulated UK online pharmacy.

Take a look at our about us page to learn more about our company and who we are regulated by.

Can you buy Lansoprazole gastro-resistant capsules over the counter?

No, there is no over the counter option for Lansoprazole capsules. Lansoprazole gastro-resistant capsules are only available on prescription. You can buy Lansoprazole 30mg and 15mg capsules online from medicine direct, however you will be required to complete an online questionnaire so a doctor or pharmacist can assess your condition to ensure you are receiving the most suitable treatment.

What is the difference between Lansoprazole 30mg and 15mg capsules?

The only difference between the two is the dose of Lansoprazole in each capsule. To simplify this, Lansoprazole 30mg capsules contain 30mg of Lansoprazole. Whereas Lansoprazole 15mg capsules contain just 15mg of Lansoprazole.

The dose you are prescribed will depend on the severity of your condition and what your doctor or pharmacist thinks is the most suitable treatment option.

Lansoprazole Alternatives

Lansoprazole gastro-resistant capsules are usually only prescribed when other over the counter options have been tried but failed to treat symptoms effectively.

In most cases, over the counter options will be successful in treating symptoms, however; in those where symptoms persist, lower dose Lansoprazole 15mg may be prescribed. It is unlikely that your doctor or pharmacist will prescribe you Lansoprazole 30mg gastro-resistant capsules without seeing how your body reacts to the lower doses first.

If you are looking to buy Lansoprazole online you may be offered an alternative if you have not used the medicine before, or previously used an alternative as a treatment option.

There are several alternatives to lansoprazole that work in a similar way which are available over the counter. To find out more information about Lansoprazole alternatives, read our helpful medical guide.

Lansoprazole Indications and Dose

All of our doctor and pharmacists follow NICE guidelines when prescribing Lansoprazole. Always take Lansoprazole capsules exactly as instructed by your doctor or pharmacist.

The most commonly prescribed Lansoprazole dosage is 15 mg or 30 mg. It is possible to get stronger doses of the medicine; however, this is generally used to just treat the rare disease of Zollinger-Ellison syndrome. Your doctor will prescribe you the dosage you need based on your age, weight and symptoms.

Lansoprazole FAQ's

Can you buy Lansoprazole Gastro Resistant capsules online?

If you are a valid UK citizen and have a prescription from a doctor, you will be able to purchase Lansoprazole online in the UK with us, Medicine Direct. If you do not yet have a prescription for Lansoprazole, you can fill in one of our health questionnaires which will be reviewed by one of our doctors. After assessing your answers, the doctors will then prescribe you the medicine if they deem it appropriate to do so.

What is the difference between Lansoprazole and Omeprazole?

The main active ingredient in both products is different with Lansoprazole containing Lansoprazole and Omeprazole containing Omeprazole. Both treatments have the same mechanism of action and treat acid reflux in exactly the same way. In summary there is not much difference between the two products.

Can Lansoprazole capsules be used to treat any other conditions?

Lansoprazole can be used to treat a variety of problems caused by an increase of stomach acid. Some of the most typical uses of Lansoprazole are to treat ulcers of the stomach or intestine, prevention of ulcers caused by NSAID's such as Naproxen, infections caused by Helicobacter pylori, acid reflux and the prevention of oesophagus inflammation. Doctors may sometimes alternatively prescribe it to treat Indigestion (Dyspepsia), heartburn or the Zollinger-Ellison syndrome, which is when too much stomach acid is produced due to a growth in your pancreas.

How quickly does Lansoprazole start to work?

The inhibitory effects of Lansoprazole can be felt in just 1 hour, reaching its full effects in just 2 hours. You should notice your symptoms completely easing within 2-4 days of taking this medicine.

Drinking alcohol with Lansoprazole, is it safe?

You are allowed to drink alcohol while on a course of Lansoprazole. However, alcohol has been linked to an increase in stomach acid production. This may mean that the medicine won’t have as powerful an effect if you drink. It can also make your symptoms feel worse due to an increase in acid, which will irritate your stomach lining.

Can you take painkillers whilst using Lansoprazole?

Yes, It is safe to take common painkillers such as Paracetamol and Ibuprofen whilst you are taking Lansoprazole. 

Does my diet cause stomach acid?

There are some ways that our lifestyle and diet can increase stomach acid. In regards to diet, you should try and avoid rich, spicy, or fatty foods. Food that has high acidity in it, such as citrus fruits and tomatoes, can also increase your stomach acid. It is also recommended to cut down on the amount of caffeine you consume in drinks, as well as cut down on alcohol and smoking. Losing excess weight is a useful lifestyle change people who are overweight can make. Raise your head in bed when trying to sleep and to not eat within 3 hours of trying to go to sleep.

When should you take lansoprazole?

It is best to take Lansoprazole 30 minutes before a meal. Taking lansoprazole on an empty stomach will allow your body to absorb more of the medicine in a faster time. 

How long can you take Lansoprazole for?

4 - 8 weeks is the typical treatment length for Lansoprazole. Taking Lansoprazole for longer than you need to can increase your risk of side effects. Your doctor will advise you of your treatment length, it is important to take this medicine exactly as prescribed.

Lansoprazole Side Effects

Common side effects

Like all medications, Lansoprazole may cause certain side effects, although they will not affect everyone who takes it.

Common Lansoprazole side effects may include:

  • Headaches, dizziness, feeling tired, or generally feeling unwell
  • Diarrhoea
  • Constipation
  • Stomach pain
  • Feeling sick or being sick
  • Wind
  • Changes in your liver function (this will be shown on a blood test)
  • Skin rash, itching
  • Dry or sore mouth
  • Dry or sore throat
  • Benign stomach polyps

Less common side effects include:

  • Depression
  • Joint pains
  • Fracture of your hip, wrist or spine, if used for a long time in high doses
  • Changes in blood cell counts
  • Water retention, which can lead to swelling in your arms or legs

Tell your doctor or pharmacist if any of the above side effects bother you or do not go away after a few days.

Please note, these lists are not exhaustive. For more information please read our Lansoprazole side effects guide for a list of rarer and more serious reactions you may experience while taking Lansoprazole.

We also recommend thoroughly reading the patient information leaflet, which can be located inside your medicine box for a ful list of side effects.

Lansoprazole Warnings and drug interactions

Before you use a new medicine, you should always tell your doctor if you are already taking any other form of medicine. This includes prescription and non-prescription medication, herbal remedies, vitamins and supplements.

In particular, tell your doctor if you are taking any of the following:

  • HIV protease inhibitors
  • Warfarin
  • Digoxin
  • Tacrolimus
  • Ketoconazole, itraconazole, rifampicin
  • Sucralfate
  • Any medicines which contain St John's wort
  • Theophylline
  • Antacids
  • Fluvoxamine
  • Methotrexate

For more information on Lansoprazole Drug Interactions.

Pregnancy and breastfeeding

Lansoprazole is not usually indicated for use during pregnancy or breastfeeding. However, your doctor may prescribe Lansoprazole if the benefits outweigh the risk factors. 

Read more about taking Lansoprazole during pregnancy and breastfeeding

Lansoprazole gastro-resistant capsules ingredients

The main active ingredient within this medicine is: Lansoprazole

For a full list of the inactive ingredients, please read the Summary of Product Characteristics

Delivery Company Delivery Service Price Details
Royal Mail UK Delivery Standard UK Tracked £2.99 3 - 4 Working Day Delivery
DPD UK Next Day Delivery Next Day Delivery - Tracked £5.95 Order by 2pm (subject to Dr approval) Next Working Day Delivery
DPD UK Next Day Delivery Next Day Tracked Morning Delivery by 12:00pm £12.95 Next Working Day Morning Delivery by 12:00pm
DPD UK Next Day Delivery Tracked Saturday Delivery £9.95

Delivery specified for Saturday

Order Friday by 2pm (subject to Dr approval)

Please note that next day delivery to Northern Ireland, Scottish Highlands & Islands and British Isles cannot be guaranteed. Please contact our team for more information.

Written byHussain Abdeh MPharm: 2211840

Published on: 12/10/2020

Updated on: 09/06/2021

This content has been written by our Superintendent Pharmacist Hussain Abdeh and has been medically reviewed by our Pharmacist Sonia Khan

Hussain Abdeh Superintendent Pharmacist at Medicine Direct

Hussain Abdeh
MPharm: 2211840

Pharmacist Independent Prescriber

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