from
£6.99
| Name & Dosage | x7 Capsules | x7 Tablets | x14 Capsules | x14 Tablets | x28 Capsules | x28 Tablets |
|---|---|---|---|---|---|---|
| Lansoprazole 15mg Capsules | £6.99 | £9.99 | £16.49 | |||
| Lansoprazole 15mg Orodispersible Tablets | £8.49 | £11.99 | £19.99 | |||
| Lansoprazole 30mg Capsules | £11.49 | £16.99 | ||||
| Lansoprazole 30mg Orodispersible Tablets | £13.99 | £23.99 |
Lansoprazole is used to treat heartburn and acid reflux, gastro-oesophageal reflux disease (GORD), an inflamed food pipe (reflux oesophagitis) and stomach or duodenal ulcers. It is also used with antibiotics to clear Helicobacter pylori infection, and to protect the stomach in people at risk of ulcers from anti-inflammatory painkillers.
Lansoprazole blocks the proton pumps in the stomach lining that produce acid. With less acid, there is less to flow back up into the food pipe (oesophagus), which eases heartburn and gives any damage time to heal.
Symptoms usually start to improve within 2 to 3 days, but the full effect can take up to 4 weeks. If your symptoms have not improved after 4 weeks, speak to our prescriber or your GP, as you may need tests or a different treatment.
No. Lansoprazole is a prescription-only medicine in the UK, so it cannot be bought over the counter at Boots or any other pharmacy without a prescription. Some other PPIs, such as esomeprazole 20mg, are available from pharmacies and shops for up to 2 weeks of heartburn relief in adults. With us, you can get lansoprazole after an online consultation reviewed by a UK prescriber.
They contain the same medicine and work in the same way. Capsules are swallowed whole with water. Orodispersible tablets are placed on the tongue and sucked gently until they break up, then the tiny granules are swallowed with saliva, which can help if you find capsules hard to swallow. The orodispersible tablets contain aspartame, so they are not suitable for people with phenylketonuria (PKU).
Some people need lansoprazole for months or years, but long-term use should be reviewed regularly by a doctor. Taking it for more than 3 months can lower magnesium levels, and taking it for more than a year may raise the risk of bone fractures, gut infections and low vitamin B12. Lansoprazole can also hide the symptoms of stomach cancer, so tell your doctor about any new or changing symptoms. Check with your doctor before stopping after long-term use.
Yes. Lansoprazole is widely used, but the NHS and the product information highlight some important points. It can hide the symptoms of stomach cancer, so new or changing symptoms should be checked by a doctor. Long-term use can lower magnesium (after 3 months) and may raise the risk of bone fractures, gut infections and low vitamin B12 (after a year), so it should be reviewed regularly. Stop taking it and get medical help if you have signs of a serious allergic or skin reaction, and tell a doctor about a rash on sun-exposed skin with joint pain, severe or long-lasting diarrhoea, yellow skin or eyes, dark pee, or stomach pain that is getting worse.
Weight gain is not listed as a side effect of lansoprazole. Swelling from fluid retention (oedema) is an uncommon side effect: speak to our prescriber or your GP if you notice swollen ankles or sudden weight gain.
No, they are different medicines, but they are closely related. Lansoprazole, omeprazole, esomeprazole and pantoprazole all work in the same way and generally work similarly well, with similar side effects, although the doses differ. If one PPI does not suit you, your doctor may suggest another.
| Medicine | Standard dose for reflux |
| Lansoprazole | 30mg once a day |
| Omeprazole | 20mg once a day |
| Esomeprazole | 20mg once a day |
| Pantoprazole | 40mg once a day |
Take lansoprazole once a day in the morning, at least 30 minutes before food. Your prescriber will tell you which strength to take and for how long.
Older people should not usually take more than 30mg a day, and people with moderate or severe liver problems usually need half the usual dose. Our prescriber will take this into account.
Heartburn medicine can hide the signs of a more serious problem. Do not start lansoprazole online if you have any of the symptoms below: see a GP promptly instead. If you are vomiting blood (it may look like coffee grounds) or have black, tarry poo, get help straight away: call 111, or 999 if you feel very unwell.
Like all medicines, lansoprazole can cause side effects, although not everybody gets them. The most common are headache and stomach upsets.
Also call a doctor or 111 straight away if you get a rash on skin exposed to the sun, especially with joint pain, or severe or long-lasting diarrhoea.
Headache, dizziness, diarrhoea, constipation, stomach pain, feeling or being sick, wind, dry or sore mouth or throat, itchy skin, rash or hives, tiredness, changes in liver blood tests, and small harmless growths in the stomach lining (fundic gland polyps).
Low mood (depression), joint or muscle pain, swelling from fluid retention, changes in blood cell counts, and broken hip, wrist or spine (with high doses or long-term use).
Lansoprazole can occasionally cause dizziness, a spinning feeling, sleepiness or blurred vision. Do not drive or use machinery if this happens. You can report side effects through the MHRA Yellow Card scheme (yellowcard.mhra.gov.uk).
Lansoprazole is not suitable for everyone. Our prescriber checks your answers against these points before deciding whether to prescribe it.
Lansoprazole can affect how some other medicines work, and some medicines affect lansoprazole. Always list everything you take in your consultation, including herbal remedies.
| Medicine | What it means |
| Atazanavir | Must not be taken with lansoprazole |
| Rilpivirine tablets (including combination HIV tablets that contain it) | Must not be taken with lansoprazole |
| Nelfinavir | Not recommended with lansoprazole, as it may not work properly |
| Ketoconazole, itraconazole, posaconazole | Lansoprazole can stop these being absorbed properly, so taking them together should be avoided |
| Digoxin, warfarin, tacrolimus, theophylline, high-dose methotrexate | Lansoprazole can change the levels of these medicines, so extra monitoring or a dose change may be needed |
| Fluvoxamine | Raises lansoprazole levels. A lower lansoprazole dose may be needed |
| Rifampicin, St John’s wort | Can lower lansoprazole levels and make it less effective |
| Antacids, sucralfate | Can reduce how much lansoprazole is absorbed. Leave at least 2 hours between them and lansoprazole |
Yes. An antacid or alginate such as Gaviscon can be used for quick relief while lansoprazole starts to work, but leave a gap between them: take lansoprazole first thing, at least 30 minutes before food, and leave at least 2 hours either side before taking Gaviscon, for example after lunch or at bedtime. If you still need an antacid regularly after 4 weeks, speak to our prescriber.
Lansoprazole can be taken in pregnancy, but you will usually be offered omeprazole instead, because there is much more information about its safety in pregnancy. If you become pregnant while taking lansoprazole, speak to your doctor, but do not stop a prescribed medicine without advice.
Lansoprazole can often be used while breastfeeding, but it may pass into breast milk in small amounts, so a doctor will usually recommend omeprazole or pantoprazole instead. Tell our prescriber if you are breastfeeding.
Read the leaflet before you start treatment. The leaflet in your pack is the version for the product you receive.
It works best taken at least 30 minutes before food, usually first thing in the morning, because food reduces how much of the medicine your body absorbs.
If you take one dose a day, take it in the morning. If your prescriber has advised two doses a day, take one in the morning and one in the evening, each at least 30 minutes before food.
Only if a doctor has prescribed it. For reflux, lansoprazole is taken once a day. Twice-daily doses are used for specific conditions, for example 30mg twice a day for one week with antibiotics to clear a Helicobacter pylori infection. If you take it twice a day, take one dose in the morning and one in the evening, each at least 30 minutes before food. Lansoprazole’s side effects are the same as for once-daily use, although the antibiotics taken with it for H. pylori can cause extra side effects such as diarrhoea, but higher doses taken for a long time are more likely to affect your bones.
For reflux and heartburn, the usual maximum is 30mg a day, and older people should not usually take more than this. Higher doses are used for some conditions, for example 30mg twice a day for one week with antibiotics to treat a Helicobacter pylori infection, and much higher doses under specialist care for rare conditions such as Zollinger-Ellison syndrome. People with moderate or severe liver problems usually need a lower dose. Never take extra doses on your own.
No. Lansoprazole is a proton pump inhibitor (PPI). Antacids such as Gaviscon neutralise acid that is already in your stomach and work within minutes, while lansoprazole reduces how much acid your stomach makes, which starts to work within 2 to 3 days but can take up to 4 weeks to work fully. If you take an antacid as well, take it at least 2 hours before or after your lansoprazole.
It can. Constipation, wind and stomach pain are common side effects, affecting up to 1 in 10 people. Drinking plenty of water and eating more fibre can help with constipation. Speak to our pharmacist if these side effects last or trouble you.
Lansoprazole itself leaves your blood within a few hours, but its effect on stomach acid lasts much longer, because it switches off the acid pumps until your stomach makes new ones. This is why one dose a day is usually enough.
After a short course, most people can simply stop. After long-term use, your stomach may make more acid than usual for a while (rebound), so symptoms can come back or feel worse. Speak to your doctor before stopping after long-term use, as they may suggest reducing the dose gradually.
Lansoprazole is a widely used medicine, but like all medicines it can cause side effects and is not suitable for everyone. It is best taken at the lowest dose that works, for the shortest time needed. Our prescriber checks your health and other medicines before prescribing it, and long-term use should be reviewed regularly by a doctor.
Yes, but it is best to limit alcohol. It does not stop lansoprazole working, but it increases stomach acid and can make reflux symptoms worse.
No, lansoprazole does not affect combined or progestogen-only pills. It may make the emergency contraceptive ellaOne less effective, so tell the pharmacist if you need emergency contraception.
None is clearly better for everyone. They work in the same way and generally work similarly well at standard doses. The best choice depends on your condition, how you respond and any other medicines you take, so our prescriber will recommend the most suitable one.
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