Lansoprazole is a commonly prescribed medicine in the UK, used for acid reflux. If you have just been prescribed lansoprazole, this page explains what it is, the brands and strengths it comes in, how to take it, and how to have it dispensed and delivered free on the NHS with PillSorted.
This content has been medically reviewed and approved by Zeinab Ardeshir (GPhC 2075730), Superintendent Pharmacist at PillSorted (GPhC-registered online pharmacy 9011258). Last reviewed: 2 July 2026.
What is lansoprazole?
Lansoprazole is a proton pump inhibitor (PPI) that reduces stomach acid. It is used for acid reflux, heartburn and ulcers.
Brands and strengths
Lansoprazole is the name of the active ingredient. In the UK it is sold as generic lansoprazole and under the brand name Zoton — both contain the same active ingredient and work the same way. Common strengths:
- Lansoprazole 15 mg tablets
- Lansoprazole 30 mg tablets
- UK brand: Zoton
What lansoprazole is used for
- Acid reflux and heartburn (GORD)
- Stomach and duodenal ulcers
- Protecting the stomach on certain medicines
How to take lansoprazole
Usually taken once a day in the morning, before food. Swallow capsules whole with water. Always follow your prescriber’s instructions (BNF).
Side effects
Common effects include headache, diarrhoea, feeling sick and stomach discomfort, which often settle. This is not a full list — see the patient information leaflet (BNF).
Lansoprazole: frequently asked questions
Yes. Zoton is a brand name for lansoprazole; the generic is the same active ingredient.
Usually once a day before food, in the morning.
Yes. If you have an NHS prescription for lansoprazole, you can nominate PillSorted as your NHS pharmacy and we will dispense and deliver it to your door for free.
Get your lansoprazole delivered free on the NHS
If you have an NHS prescription for lansoprazole, PillSorted dispenses and delivers it to your door — completely free. Nominate PillSorted as your NHS pharmacy once, and we take care of your repeat prescriptions from then on.
What you get
- Free delivery, every time — your medicine posted to your door, always free.
- Your whole family, one account — manage everyone’s prescriptions in one place.
- Real pharmacists, every prescription — every order checked by our UK pharmacist team.
How it works
- Choose PillSorted as your NHS pharmacy
- We collect your prescription from your GP
- Your medication is delivered free to your door
Sources: NICE; BNF — Lansoprazole.
This page is for general information only and is not a substitute for advice from your GP or pharmacist. Always take your medicine exactly as prescribed. For advice about your own health, consult a clinician.