Product image of Nexium (Esomeprazole) supplied by GNH India

Nexium

Active Ingredient:
Esomeprazole
Origin:
EU

Nexium (Esomeprazole)

Esomeprazole, the active ingredient in Nexium, is a proton pump inhibitor presented as a tablet for oral use. It reduces gastric acid production and is prescribed for conditions such as gastro‑oesophageal reflux disease, erosive esophagitis, peptic ulcer disease and as part of Helicobacter pylori eradication regimens.

GNH India supplies Nexium as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Grünenthal Pharma Ltd.

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Indications & Clinical Uses

Nexium is a proton pump inhibitor indicated for several acid‑related gastrointestinal conditions.

  • Gastro‑oesophageal reflux disease (GERD): provides symptomatic relief and promotes healing of the oesophageal lining.
  • Erosive esophagitis: reduces acid exposure to allow mucosal recovery.
  • Peptic ulcer disease: supports ulcer healing and prevents recurrence.
  • Helicobacter pylori eradication therapy: used in combination regimens to improve bacterial eradication rates.

How It Works

  • Esomeprazole irreversibly binds to the H+/K+ ATPase enzyme (the gastric proton pump) located on the secretory surface of parietal cells. By inhibiting this final step of acid secretion, it markedly reduces both basal and stimulated gastric acid output, leading to increased gastric pH and facilitating healing of acid‑related lesions.

Side Effects

Adverse reactions may occur with any medication. The following lists have been compiled from clinical experience and pharmacovigilance data.

Common Side Effects

  • Headache: mild to moderate intensity.
  • Diarrhoea: usually transient.
  • Nausea: may occur after dosing.
  • Abdominal pain: occasional discomfort.
  • Flatulence: increased intestinal gas.
  • Constipation: reduced bowel movements.

Serious or Rare Side Effects

  • Severe allergic reaction (anaphylaxis): requires immediate medical attention.
  • Clostridioides difficile infection: presents with severe diarrhoea.
  • Hypomagnesemia: low magnesium levels with prolonged use.
  • Liver enzyme abnormalities: elevated transaminases.
  • Stevens‑Johnson syndrome/toxic epidermal necrolysis: rare skin reactions.
  • Acute pancreatitis: sudden abdominal pain and elevated enzymes.

Precautions & Warnings

Before initiating therapy, consider the following safety measures.

  • Assess renal function: adjust use in patients with severe impairment.
  • Monitor magnesium levels: long‑term therapy may lead to deficiency.
  • Avoid abrupt discontinuation: risk of rebound acid hypersecretion.
  • Use with caution in elderly patients: higher incidence of adverse events.
  • Pregnancy and lactation: consult a healthcare professional before use.
  • Store at room temperature: keep in the original pack, protect from moisture.

Avoid Interactions

Esomeprazole may affect the pharmacokinetics of several drugs. Interactions are grouped by clinical significance.

Major Interactions (Avoid)

  • Ketoconazole and itraconazole: reduced antifungal absorption.
  • Clopidogrel: decreased antiplatelet activity.
  • Atazanavir: markedly lowered antiviral plasma concentrations.

Moderate Interactions (Monitor Closely)

  • Warfarin: potential increase in INR.
  • Digoxin: possible rise in serum levels.
  • Methotrexate: enhanced toxicity risk.

Frequently Asked Questions

Nexium (esomeprazole) is prescribed to treat conditions caused by excess stomach acid, including gastro‑oesophageal reflux disease (GERD), erosive esophagitis, peptic ulcer disease, and as part of combination therapy for Helicobacter pylori eradication.

Esomeprazole blocks the gastric H+/K+ ATPase enzyme, also known as the proton pump, in the stomach’s parietal cells. This irreversible inhibition stops the final step of acid production, leading to a sustained increase in gastric pH and allowing acid‑related lesions to heal.

The dose of Nexium is individualized by the prescribing healthcare professional based on the specific indication, patient age, renal function and treatment duration. Patients should follow the prescriber’s instructions and not adjust the dose on their own.

Safety data for esomeprazole in pregnancy and lactation are limited. It should only be used if the potential benefit justifies any potential risk to the fetus or infant, and this decision must be made by a qualified healthcare provider.

To request Nexium, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any required import documentation.

Nexium (esomeprazole) is the S‑enantiomer of omeprazole, offering more consistent acid suppression and a slightly improved pharmacokinetic profile. Both belong to the proton pump inhibitor class, but esomeprazole may achieve higher intragastric pH levels at equivalent doses.

Store Nexium tablets at room temperature, below 25 °C, in the original container to protect from moisture and light. Keep the product out of reach of children and do not use it after the expiry date printed on the packaging.

Nexium is taken orally, usually as a whole tablet swallowed with water. It is commonly recommended to take the dose before a meal, but patients should follow the specific timing advised by their prescriber.

Serious adverse events, though rare, include severe allergic reactions (anaphylaxis), Clostridioides difficile‑associated diarrhoea, low magnesium levels, liver enzyme elevations, and rare skin disorders such as Stevens‑Johnson syndrome. Any of these symptoms require immediate medical evaluation.

Patients with known hypersensitivity to esomeprazole, other proton pump inhibitors, or any component of the formulation should avoid Nexium. Caution is also advised for individuals with severe liver disease, those taking clopidogrel, or patients with a history of C. difficile infection.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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