← All medications

Lansoprazole

Medication proton pump inhibitor digestive
Aka: Prevacid, Zoton
Not medical advice. Check with your doctor or pharmacist before you start, stop or change the timing of anything you take.
How to use
What it’s for
NHS: indigestion, heartburn, reflux and stomach ulcers
When to take
NHS: usually once a day, first thing in the morning
Take with
NHS: water or juice · at least 30 minutes before a meal
Pros & cons
Pros
  • NHS: relief in 2 to 3 days, full effect up to 4 weeks
  • NHS: capsules, and tablets that melt in the mouth
  • NHS: most adults and children can take it
Cons
  • SG register: no lansoprazole product registered in SG
  • NHS: headache, nausea, diarrhoea, stomach pain, wind
  • NHS: it may hide problems an endoscopy would find
Sources
  1. HSA — Listing of Registered Therapeutic Products (data.gov.sg dataset d_767279312753558cbf19d48344577084); all 5,511 rows cached at /tmp/hsa_all.json and filtered locally (not re-fetched) — ZERO rows contain lansoprazole as an active ingredient, 27 Aug 2026 · read 2026-08-27
    what it says
    “no row: searching Activeingredients and Productname for LANSOP / ZOTON / PREVACID returns only DEXILANT DELAYED RELEASE CAPSULE 30mg SIN14485P and 60mg SIN14486P, active ingredient "Dexlansoprazole", ATC A02BC06, "Prescription Only"”
  2. NHS medicines A–Z — Lansoprazole (brand name: Zoton FasTabs): about lansoprazole · read 2026-08-27
    what it says
    “Lansoprazole is a medicine that reduces the amount of acid your stomach makes. It's used to treat: indigestion; heartburn and acid reflux; gastro-oesophageal reflux disease (GORD) … also taken to prevent and treat stomach ulcers.”
  3. NHS medicines A–Z — Lansoprazole: dosage and how to take lansoprazole · read 2026-08-27
    what it says
    “Each dispersible tablet or capsule contains 15mg or 30mg of lansoprazole. The usual dose to treat indigestion, acid reflux or stomach ulcers is 15mg to 30mg a day.”
  4. NHS medicines A–Z — Lansoprazole: dosage for Zollinger-Ellison syndrome · read 2026-08-27
    what it says
    “The usual starting dose to treat Zollinger-Ellison syndrome is 60mg a day. This can be increased up to 180mg a day, depending on how well it works for you. Doses over 120mg will be split into 2 doses.”
  5. NHS medicines A–Z — Lansoprazole: side effects · read 2026-08-27
    what it says
    “These common side effects of lansoprazole may happen in more than 1 in 100 people … Headaches; Feeling or being sick (nausea or vomiting); Diarrhoea; Stomach pain; Constipation; Farting; Itchy or mild rash; Feeling dizzy or tired”
  6. NHS medicines A–Z — Lansoprazole: who can and cannot take lansoprazole · read 2026-08-27
    what it says
    “Most adults and children can take lansoprazole … tell your doctor if you: have ever had an allergic reaction …; have liver problems; are pregnant …; are due to have an endoscopy; have low levels of vitamin B12”
  7. NHS medicines A–Z — Lansoprazole: taking lansoprazole with other medicines and herbal supplements · read 2026-08-27
    what it says
    “Antacids can reduce the amount of lansoprazole that the body takes in … take it at least 2 hours before or after your dose … digoxin; itraconazole or posaconazole; methotrexate; warfarin; tacrolimus … Do not take St John's wort”
  8. US label for lansoprazole delayed-release capsules (Camber Pharmaceuticals, effective 2020-06-30) via openFDA drug/label.json, Dosage and Administration · read 2026-08-27
    what it says
    “Pathological Hypersecretory Conditions Including Zollinger-Ellison Syndrome 60 mg Once daily … Dosages up to 90 mg twice daily have been administered. Daily dose of greater than 120 mg should be administered in divided doses.”
Report a correction View as JSON

Updated 2026-08-29. Every line above traces to a numbered source. Kozen-X is not a medical device and does not give medical advice. It lists what published sources have written down — nothing more. A pair not listed is unrecorded, not cleared. Before you start, stop or re-time anything, talk to your doctor or pharmacist.