What is the difference between esomeprazole and omeprazole?

They are very closely related. Omeprazole is a mixture of two mirror-image forms of the same molecule, while esomeprazole is just the more active of those two forms, refined out on its own. In practice both are proton pump inhibitors that reduce stomach acid and treat the same problems — heartburn, reflux, and ulcers — and for most people either works well. Esomeprazole (Nexium) is often marketed as slightly stronger or longer-lasting at equivalent doses, but the real-world difference is usually small, and omeprazole is typically cheaper. A pharmacist can help you choose.

How should I take esomeprazole for acid reflux?

Take it once a day, at least 30-60 minutes before a meal — usually before breakfast — so it is working when your stomach starts producing acid. Swallow the tablet or capsule whole with water. It works best taken regularly for the full course your pharmacist or doctor recommends (often a few weeks for reflux), not just occasionally when symptoms flare. Alongside the medicine, eating smaller meals, avoiding lying down soon after eating, cutting down on very spicy or fatty foods and alcohol, and not smoking all help reduce reflux.

Is it safe to take esomeprazole every day, long-term?

For short courses it is very safe. The concern is with taking it continuously for months or years without review, which is common. Long-term PPI use can reduce absorption of magnesium, vitamin B12, and calcium, slightly raise the risk of some gut infections, and possibly affect bone strength. It should be used at the lowest dose for the shortest time that controls your symptoms. If you find you need it daily for a long time, see a doctor to check the underlying cause, confirm you still need it, and rule out anything more serious — rather than simply buying it repeatedly.

When should heartburn be checked by a doctor rather than self-treated?

Occasional heartburn is usually fine to treat with a PPI or antacid, but certain 'alarm' symptoms need medical assessment straight away: difficulty or pain when swallowing, unintended weight loss, persistent or worsening symptoms despite treatment, repeated vomiting, vomiting blood or material that looks like coffee grounds, or black, tarry stools. Heartburn that keeps returning as soon as you stop the medicine, or that you have had for many weeks, also deserves a proper check. Esomeprazole relieves symptoms well, but it should not be used to keep masking a problem that has not been diagnosed.

Esomeprazole (Nexium) Price in Nigeria (July 2026): ₦2,000–₦27,810

Key Facts

Drug Class: Proton pump inhibitor (PPI)
Prescription: Over the counter
NAFDAC Status: NAFDAC Registered
Forms: Tablet, Capsule, Injection
Online price: ~₦16,800see prices

What is Esomeprazole?

Esomeprazole is a proton pump inhibitor (PPI) — a medicine that strongly reduces the amount of acid the stomach makes. It is best known by the brand name Nexium, and is also sold as Esoz, Sompraz, and generic esomeprazole. It is closely related to omeprazole (it is essentially the refined, active half of the omeprazole molecule) and is used for the same acid-related problems: heartburn, acid reflux, and stomach ulcers.

In Nigeria, acid reflux and 'burning' indigestion are extremely common complaints, and esomeprazole is a popular and effective treatment. By cutting acid production at its source, it relieves the burning chest and throat feeling of reflux, allows ulcers and an inflamed food-pipe to heal, and protects the stomach in people who must take anti-inflammatory painkillers. It is taken once a day, usually before food, and works best when taken regularly for the recommended period rather than only when symptoms flare.

Esomeprazole is generally safe and well tolerated for short courses. However, PPIs are often taken for far too long without review. Long-term, continuous use can carry downsides — such as reduced absorption of magnesium, vitamin B12, and calcium, and a small increase in certain infections — so it should be used at the lowest dose for the shortest time that controls symptoms, with a doctor's review if you need it for months. Persistent heartburn, difficulty swallowing, weight loss, vomiting blood, or black stools always need medical assessment rather than ongoing self-treatment. Buy from a licensed pharmacy and check the NAFDAC number.

What is Esomeprazole used for?

In Nigeria, Esomeprazole is commonly used for:

Acid reflux / GERD — heartburn and a burning feeling in the chest or throat
Stomach and duodenal ulcers — treatment and healing
Protecting the stomach from ulcers in people taking NSAID painkillers long-term
Part of 'triple therapy' to clear Helicobacter pylori infection (with antibiotics)
Severe or persistent indigestion and excess-acid conditions

Dosage

IMPORTANT

Always follow your doctor's or pharmacist's instructions. The information below is for general reference only.

Adults

The usual dose is 20mg or 40mg once daily, taken at least 30-60 minutes before a meal (typically before breakfast) so it is active when the stomach starts making acid. For reflux and ulcers a course often lasts 4-8 weeks; for stomach protection a lower daily dose is used. For H. pylori it is combined with antibiotics for one to two weeks. Swallow tablets or capsules whole with water.

Children

Used in children for reflux or ulcers only under medical guidance, at doses adjusted for age and weight.

Elderly

The standard dose is usually suitable; long-term use should be reviewed, watching for low magnesium and B12.

Take esomeprazole before food (usually before breakfast) for it to work best. Use it for the recommended course rather than indefinitely; if you find you need it every day for months, see a doctor to review the cause and dose. Do not use it as a substitute for investigating alarm symptoms — difficulty or pain swallowing, unintended weight loss, repeated vomiting, vomiting blood, or black tarry stools all need prompt medical assessment. Simple measures (smaller meals, not lying down soon after eating, reducing very spicy or fatty foods and alcohol, and stopping smoking) help reflux alongside the medicine.

Side Effects

Common side effects

•Headache
•Diarrhoea or constipation
•Abdominal pain, wind, or nausea
•Dry mouth or dizziness

Serious side effects — seek medical help immediately

Low magnesium with long-term use — muscle cramps, twitching, palpitations, or seizures
Reduced vitamin B12 or calcium absorption with prolonged use (risk of anaemia; possible effect on bone strength)
A higher chance of certain gut infections (such as diarrhoea from C. difficile)
Rarely, a severe skin or allergic reaction
Masking of a more serious stomach problem, including cancer, by relieving symptoms without a diagnosis

When to see a doctor

See a doctor if heartburn or indigestion lasts more than a couple of weeks despite treatment, keeps coming back, or is severe. Seek prompt care for any 'alarm' symptoms — difficulty or pain when swallowing, unintended weight loss, persistent vomiting, vomiting blood or material like coffee grounds, or black, tarry stools. Also see a doctor if you develop muscle cramps, palpitations, or unusual tiredness on long-term use, which could suggest low magnesium or B12.

Warnings & Precautions

Do not take Esomeprazole if you have:

Do not use if you are allergic to esomeprazole, omeprazole, or other PPIs
Do not use with the HIV medicines rilpivirine or atazanavir/nelfinavir, whose absorption depends on stomach acid
Use the shortest effective course; review long-term use with a doctor
Do not use ongoing self-treatment to cover up alarm symptoms — get them investigated

Drug interactions

•Clopidogrel — PPIs may reduce its blood-thinning effect (esomeprazole and omeprazole more so; a different PPI is sometimes preferred)
•Some HIV medicines (atazanavir, rilpivirine, nelfinavir) need stomach acid and should not be combined
•Methotrexate levels can rise, especially at high doses
•Reduced absorption of medicines that need acid (such as certain antifungals — ketoconazole, itraconazole) and possibly iron
•Can affect the levels of some medicines processed by the liver (for example diazepam, phenytoin, warfarin — monitoring may be needed)

Pregnancy & Breastfeeding

Esomeprazole and the closely related omeprazole are among the acid medicines generally considered acceptable in pregnancy when needed, and PPIs have a long record of use — but as with any medicine in pregnancy it is best to use it only if necessary and to check with a pharmacist or doctor first. It can usually be used while breastfeeding when required. Simple measures for reflux should be tried alongside.

Brands of Esomeprazole in Nigeria

The NAFDAC registry holds 21 Esomeprazole products from 13 manufacturers, including combination products and older listings whose status you can check in the full list. Below are some of the most common brands — see the full, searchable list for all of them.

Brand Name	Manufacturer	Strength	Form
Nexium	AstraZeneca	20mg, 40mg	Tablet
Esoz	Sun Pharma	20mg, 40mg	Tablet
Sompraz	Sun Pharma	20mg, 40mg	Tablet

See all 21 registered Esomeprazole brands

How to Verify Your Esomeprazole is Genuine

1Buy esomeprazole from a licensed pharmacy
2Check the NAFDAC registration number on the pack and verify it on the NAFDAC Green Book or app
3Check the expiry date and that the packaging is sealed and untampered
4For Nexium (AstraZeneca), Esoz or Sompraz (Sun Pharma), check the manufacturer branding and batch number; for generics, confirm the manufacturer
5Genuine tablets or capsules should be uniform; discard any that look irregular
6Be cautious of very cheap 'Nexium' from unverified street or online sellers, as premium brands are commonly counterfeited

Use our NAFDAC Checker tool

Esomeprazole Price in Nigeria

As of July 2026, Esomeprazole sells for about ₦16,800 online in Nigeria (₦5,200–₦27,810) across HealthPlus and MedPlus. Open-market prices (e.g. Idumota, Ogbogwu) are often lower.

Online retail (sampled)

HealthPlus + MedPlus

₦5,200 – ₦27,810median ₦16,800

From 3 listings across HealthPlus + MedPlus — brands and pack sizes vary · updated July 2026.

Price trend

We've tracked Esomeprazole online prices since July 2026 — median ₦16,800 (range ₦5,200–₦27,810, from 3 listings). This updates monthly, and the month-on-month trend will appear here — see the Nigerian Medicine Price Index for prices across all tracked drugs.

Where to Buy

Purchase Esomeprazole only from licensed pharmacies and verified distributors. Avoid buying medicines from unverified sources, roadside vendors, or unregistered market stalls.

Before you buy, verify the product's NAFDAC registration and check the current online prices above so you know a fair price before you pay.

Buying Esomeprazole in bulk or for resale? Our guide on how to buy medicines in bulk in Nigeria safely covers verifying a supplier and spotting fakes before a large order.

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Related Resources for Esomeprazole

Guides, articles, and tools related to Esomeprazole and other digestive health medicines in Nigeria.

Frequently Asked Questions

Sources

•NAFDAC Greenbook — the official database of all products registered with Nigeria's National Agency for Food and Drug Administration and Control. Brand-level NAFDAC numbers for Esomeprazole on this page were cross-referenced against the Greenbook.
•British National Formulary (BNF) dosing and interaction guidance for Esomeprazole.
•Nigerian Standard Treatment Guidelines (Federal Ministry of Health).

Last updated: 22 July 2026

Esomeprazole