Lansoprazole — Drug Interactions, Alcohol & Pregnancy Guide
Last reviewed: · Source: US FDA drug label database · 247CanITakeWith Editorial Team
- Lansoprazole is a Proton Pump Inhibitor (PPI) used for GORD.
- Alcohol: You can drink alcohol in moderation while taking lansoprazole, but alcohol worsens the acid reflux lansoprazole is treating — and heavy drinking raises the risk of stomach ulcers and liver stress.
- Pregnancy: Lansoprazole can be used in pregnancy for severe heartburn when antacids are insufficient — evidence is broadly reassuring, though omeprazole has more data.
- This page covers 1 specific drug combination with Lansoprazole.
About Lansoprazole
Lansoprazole is a PPI similar to omeprazole, used to reduce stomach acid. Available over-the-counter (15mg) and on prescription (30mg). Takes 1-4 days to reach full effect.
Also sold as: Prevacid, Zoton
Lansoprazole at a glance
Lansoprazole is classed as proton pump inhibitor (ppi) and is used for gord, stomach ulcers, gastritis, h. pylori eradication, nsaid-induced ulcer prevention. It can be bought over the counter in the UK, but that does not mean it is safe with everything — check the label and ask a pharmacist if you take other medicines.
Typical adult dosing guidance: 15-30mg once daily. Your own label or prescription always takes priority over general figures.
Interactions most often flagged
- Alcohol
- Pregnancy
Before you combine Lansoprazole with anything new
- Read the patient information leaflet for both products.
- Keep one up-to-date list of every medicine and supplement you take.
- Ask a pharmacist — it is free and takes a couple of minutes.
- Seek urgent medical help if you feel seriously unwell after combining medicines.
Lansoprazole and Alcohol
You can drink alcohol in moderation while taking lansoprazole, but alcohol worsens the acid reflux lansoprazole is treating — and heavy drinking raises the risk of stomach ulcers and liver stress.
Full guide →Lansoprazole in Pregnancy
Lansoprazole can be used in pregnancy for severe heartburn when antacids are insufficient — evidence is broadly reassuring, though omeprazole has more data.
Full guide →Lansoprazole — Drug Combinations
More in this category: gastrointestinal
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Frequently Asked Questions
What is Lansoprazole used for?
Lansoprazole is a Proton Pump Inhibitor (PPI) used for GORD, Stomach ulcers, Gastritis, H. pylori eradication, NSAID-induced ulcer prevention.
What is the maximum adult dose of Lansoprazole?
The maximum adult dose is 15-30mg once daily. This is general guidance — always follow the dose on your prescription or product label, and check with a pharmacist if you're unsure.
Can I drink alcohol with Lansoprazole?
You can drink alcohol in moderation while taking lansoprazole, but alcohol worsens the acid reflux lansoprazole is treating — and heavy drinking raises the risk of stomach ulcers and liver stress.
Is Lansoprazole safe to take during pregnancy?
Lansoprazole can be used in pregnancy for severe heartburn when antacids are insufficient — evidence is broadly reassuring, though omeprazole has more data.
Is Lansoprazole available over the counter in the UK?
Yes, Lansoprazole is available over the counter in the UK.
What should I check before taking Lansoprazole with other medicines?
The interactions most often flagged for Lansoprazole are: alcohol, pregnancy. Tell your pharmacist or prescriber about everything you take, including over-the-counter products, supplements and herbal remedies, before combining it with anything new.
What are the brand names for Lansoprazole?
Lansoprazole is sold under brand names including Prevacid, Zoton. The active ingredient is the same, so check labels carefully to avoid doubling up on it.
Do I need a prescription for Lansoprazole?
Lansoprazole does not need a prescription in the UK, but a pharmacist can still advise whether it suits you alongside your other medicines.
Not sure if Lansoprazole is safe with your other medications?
HealthLabs.com lets you check liver enzyme or kidney function levels before combining medications long-term — no GP referral needed.
Check your levels at HealthLabs →Always speak to your pharmacist or GP for personalised medical advice. Affiliate link — we may earn a commission.