Lansoprazole Vs Omeprazole: What's The Difference?
Lansoprazole
Lansoprazole is a prescription-only medication that is used to treat acid reflux, heartburn, and other stomach and oesophagus problems. This medication works to ease recurring symptoms by reducing the amount of acid being created in the stomach. Lansoprazole belongs to a group of medications called proton pump inhibitors (PPIs).
- Effective acid reflux, heartburn, and indigestion medication
- 15mg and 30mg strengths are available
- Provides up to 24 hours of relief
- Effective within 30 minutes
- Free online consultation
- Next-day delivery in the UK
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What is Lansoprazole?
| Medicine Type | Proton pump inhibitor (PPI) |
| Mechanism of Action | Provides relief by stopping or reducing the amount of acid being made by the stomach |
| Active Ingredient | Lansoprazole |
| Effective Within | 30 minutes |
| Pack Size | 14-28 tablets |
| Strength | 15mg & 30mg |
Overview
What is Lansoprazole and How Does it Work?
Lansoprazole is the active ingredient in this acid reflux and heartburn medication. It works by reducing the amount of acid that the stomach makes. Lansoprazole helps to significantly reduce and provide relief from discomfort and pain caused by indigestion, heartburn, acid reflux, and other stomach problems.
Complete a quick online consultation with a registered Cloud Pharmacy pharmacist, and get your prescription treatment delivered the next-day.
Suitable for ages: 18 years +
Maximum per order:
15mg Lansoprazole: 14-28 tablets
30mg Lansoprazole: 14-28 tablets
Consultation required: Yes
How Long Does Lansoprazole Last For
A dose of Lansoprazole can provide relief for up to 24 hours. Your doctor or pharmacist will tell you how often and when you need to take this medicine.
Can You Buy Lansoprazole Over the Counter?
No. Lansoprazole is a prescription-only medication in the UK. Meaning that you need a prescription for this medication before you can purchase it.
Lansoprazole Medication Alternatives
Not all medications work effectively for everyone, as we are all different. Thus, it is important to know about the different alternatives available so that you can find a medication that works for your needs. During your online consultation with a Cloud Pharmacy pharmacist, they may recommend alternatives to Lansoprazole that include:
- Losec: This is the brand name of Omeprazole. It is available in half and full-strength doses of Omeprazole
- Esomeprazole: The generic of the brand name Nexium, and it is effective for treating stomach and oesophagus problems
- Nexium: The brand name of the generic Esomeprazole. It works by reducing the amount of acid produced in the stomach
- Pantoprazole: This drug belongs to a class of drugs called proton pump inhibitors (PPI). It works by preventing proton pumps in the stomach from making stomach acid
- Famotidine: This medicine contains the active ingredient famotidine and works to provide relief from symptoms of acid reflux and heartburn
Lansoprazole Over the Counter Alternatives
Over-the-counter alternatives to Lansoprazole in the UK include:
- Rennie Deflatine: An over-the-counter simethicone-based treatment that provides effective relief from bloating, trapped wind, heartburn, and indigestion
- Gaviscon Double Action Tablets: Gaviscon is one of the most popular treatments for acid reflux in the UK. It is an antacid that provides safe and fast-acting relief for symptoms of heartburn, acid reflux, and indigestion
- Alka-Seltzer: These effervescent tablets contain the active ingredient Aspirin. They offer fast and effective relief from mild pain, indigestion, and heartburn
- Pepto-Bismol: Another popular treatment option for treating acid reflux, heartburn, and indigestion. Pepto-Bismol contains the main ingredient, Bismuth subsalicylate
Informational Sources
If you would like to know more about Lansoprazole or acid reflux and heartburn, we have compiled a list of additional resources that you can read:
Lansoprazole Reviews
Lansoprazole has mostly positive reviews, with most users reporting a positive experience when using this medication. The most common negative review was related to side effects experienced when taking Lansoprazole. Those who have been prescribed Lansoprazole for a long period of time commented that side effects were persistent and something they learned to live with.
Directions
Lansoprazole Dosage & Directions of Use
Lansoprazole Dosage Options
- Lansoprazole is available in two doses: 15mg and 30mg
- The typical starting dose for acid reflux is one 15mg or 30mg tablet for four weeks. Talk to your doctor or pharmacist if your symptoms do not clear up or ease in four weeks
How to Take Lansoprazole
- Take Lansoprazole exactly as prescribed, check with your pharmacist or doctor if you are unsure about how much and when to take this medication
- Swallow the single dose of Lansoprazole whole with some water
- Do not chew or crush the tablet, as this will stop it from working as intended
- If you have difficulty swallowing the tablet, talk to your doctor or pharmacist about alternative options
- Try to take your dose of Lansoprazole at the same time every day
Ingredients
Lansoprazole Ingredients
Ingredients in Lansoprazole Tablets:
Active Substance
- 15mg tablet: 15mg lansoprazole
- 30mg tablet: 30mg lansoprazole
Other Ingredients:
- Tablet Core: sugar granules (maize starch, sucrose), disodium hydrogen phosphate dihydrate, povidone, sodium lauryl sulphate, methacrylic acid- ethyl acrylate copolymer (1:1) dispersion 30%, talc, titanium dioxide (E171), macrogol, polysorbate 80
- Capsule shell: titanium dioxide (E171), gelatine
- 15mg capsule: red iron oxide (172)
Side Effects
Lansoprazole Side Effects
As with all medications, some side effects may occur, although not everyone will experience them. Below, we discuss the side effects of Lansoprazole. If you are unsure if you are experiencing side effects from the medication or symptoms of your acid reflux, talk to your doctor or pharmacist.
Common Side Effects of Lansoprazole
Common side effects of Lansoprazole may occur in more than 1 in 100 patients; they include:
- Dizziness
- Headache
- Tiredness
- Nausea
- Vomiting
- Diarrhoea
- Stomach pains
- Constipation
- Flatulence (wind)
- Dry or sore mouth or throat
- Benign polyps in the stomach
- Skin rash or itching
If you experience persistent common side effects, talk to your doctor or pharmacist about other medication options.
Less Common Side Effects of Lansoprazole
The following side effects of Lansoprazole are uncommon and occur in less than 1 in 100 people:
- Depression
- Changes in blood cell counts
- Muscle or joint pain
- Fracture of the hip, spine, or wrist
- Fluid retention or swelling
If you experience an allergic reaction or severe side effects, seek medical attention immediately or call 999.
You can find more about all the reported or unreported side effects of Lansoprazole in the patient information leaflet.
Warnings
Lansoprazole Warnings
Before taking Lansoprazole tablets, talk to your pharmacist or doctor:
- If you have serious liver disease
- If you have had a skin reaction to a medicine similar to Lansoprazole or others that reduce stomach acid production
- If you have joint pains
- If you are due to have a blood test called Chromogranin A
- If you have a vitamin B12 deficiency
- If you are taking other anti-inflammatory medications
Lansoprazole Drug Interactions
Talk to your pharmacist or doctor if you are taking any of the following medications:
- Warfarin (used to treat blood clots)
- HIV protease inhibitors (atazanavir and nelfinavir)
- Methotrexate (used to treat cancer and autoimmune diseases)
- St John’s wort (used to treat mild depression)
- Sucralfate (used to help heal ulcers)
- Fluvoxamine (used to treat depression)
- Theophylline (asthma treatment)
- Tacrolimus (used to prevent transplant rejection)
- Rifampicin, ketoconazole, itraconazole (used to treat infections)
- Digoxin (for heart problems)
- Antacids (used to treat acid regurgitation or heartburn)
Tell your doctor or pharmacist if you are taking any other herbal remedies, vitamins, supplements, or over-the-counter medications.
Patient Information Leaflet
Lansoprazole Tablets Patient Information Leaflet
For more information on Lansoprazole tablets medication, take a look at the patient information leaflet below:
Reviews
Lansoprazole Reviews
Review Date1 August 2025
Next Review1 August 2027
Published on5 September 2021
Last Update1 August 2025
Lansoprazole FAQs
Medically reviewed on August 1st, 2025
What is Lansoprazole Prescribed For?
Lansoprazole is a medicine that belongs to a class of drugs called proton pump inhibitors. It is used to stop proton pumps from making acid in the stomach, providing relief from associated symptoms of acid reflux, heartburn, and indigestion.
When Should I Take Lansoprazole?
Lansoprazole is typically taken in the morning; however, if you have been prescribed two doses of Lansoprazole, then you will take the first dose in the morning and the second dose at night.
What Happens if You Take Lansoprazole Every Day?
Taking Lansoprazole every day for more than one year can increase the risk of experiencing certain side effects, such as gut infections, vitamin B12 deficiency, or bone fractures.
How Long Does it Take for Stomach Acid to Return to Normal?
With the correct treatment, it can take roughly a month for your stomach acid level to return to normal. It is important to talk to your doctor or pharmacist about symptoms and then take medications exactly as prescribed.
Does Lansoprazole Cause Weight Gain?
No. Lansoprazole does not directly cause weight gain. Side effects of Lansoprazole can cause fluid retention or bloating.
Can You Drink Coffee With Lansoprazole?
When taking Lansoprazole, it is important to avoid food and drink that can worsen acid reflux. Unfortunately, coffee and caffeinated drinks are known to worsen the symptoms of acid reflux.
What Foods Should You Avoid While Taking Lansoprazole?
When taking Lansoprazole, it is important to avoid fatty, rich, spicy, acidic, or any other foods that you know cause discomfort, indigestion, heartburn, or acid reflux.
How Many Days Do You Take Lansoprazole?
Depending on your condition, you may only be required to take Lansoprazole for a couple of weeks or a few months. In some cases, you need to take it for a few years. Some people may not need to take Lansoprazole every day but instead take it when they experience symptoms.
Does Lansoprazole Settle Your Stomach?
Lansoprazole works to reduce the amount of acid your stomach produces, thus providing relief from symptoms you may be experiencing.
What Happens if You Take Lansoprazole on an Empty Stomach?
It is recommended to take Lansoprazole on an empty stomach and at least 30 minutes before you plan on eating. Food can prevent some of the medicine from being absorbed by your body.
Can You Buy Lansoprazole Over the Counter?
No. Lansoprazole is a prescription-only medication in the UK. This means you will need to get a prescription from a licensed healthcare provider before it can be dispensed to you. You can buy Lansoprazole online from Cloud Pharmacy following a consultation with one of pharmacists
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Lansoprazole guides
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| 15mg | 14 Capsules | £11.89 |
| 15mg | 28 Capsules | £15.99 |
| 30mg | 14 Capsules | £12.89 |
| 30mg | 28 Capsules | £17.89 |
| 15mg | 28 Orodispersible | £24.89 |
| 30mg | 28 Orodispersible | £26.89 |
