Product image of Nepanizil (Donepezil Hydrochloride) supplied by GNH India

Nepanizil

Active Ingredient:
Donepezil Hydrochloride
Origin:
EU

Nepanizil (Donepezil Hydrochloride)

Donepezil, the active ingredient in Nepanizil, is an acetylcholinesterase inhibitor presented as an oral tablet for oral use. It is indicated for the treatment of mild to moderate Alzheimer’s disease in adult patients, helping to improve cognition and daily functioning.

GNH India supplies Nepanizil as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, providing reliable sourcing and regulatory‑aligned distribution for healthcare providers across multiple markets.

Manufacturer / TM Owner

Medicair Bioscience Laboratories Cy Ltd

1
Pack/s
This product is added to your enquiry list

Request a Quote

Please fill out the form below and our team will get back to you shortly with pricing and further information.

A minimum order value applies. Our team will confirm the exact amount or quantity after reviewing your requirements.

Indications & Clinical Uses

Donepezil is used in the management of Alzheimer’s disease, a neurodegenerative disorder affecting memory and cognition.

  • Alzheimer’s disease (mild to moderate): improves cognitive function and daily living activities.
  • Parkinson’s disease dementia: helps enhance attention and memory in patients.
  • Dementia with Lewy bodies: may reduce cognitive fluctuations and improve alertness.

How It Works

  • Donepezil reversibly inhibits the enzyme acetylcholinesterase, which normally degrades acetylcholine in synaptic clefts. By blocking this enzyme, acetylcholine concentrations increase in the central nervous system, enhancing cholinergic neurotransmission that supports memory formation, learning, and overall cognitive function.

Side Effects

Donepezil may cause a range of adverse reactions, which are categorized by frequency and severity.

Common Side Effects

  • Nausea
  • Diarrhea
  • Insomnia
  • Muscle cramps
  • Fatigue
  • Loss of appetite

Serious or Rare Side Effects

  • Bradycardia or other cardiac conduction abnormalities
  • Severe gastrointestinal bleeding or ulceration
  • Hepatic injury
  • Seizures
  • Atrial fibrillation
  • Severe skin reactions such as Stevens‑Johnson syndrome

Precautions & Warnings

When prescribing Donepezil, clinicians should consider several safety precautions.

  • Cardiac history: assess for bradyarrhythmias before initiation.
  • Gastrointestinal disorders: monitor for ulcer disease or bleeding risk.
  • Respiratory conditions: use cautiously in patients with asthma or COPD.
  • Hepatic impairment: adjust use in severe liver dysfunction.
  • Concomitant cholinergic drugs: avoid additive effects.
  • Store at ambient temperature: keep below 25°C in original container, protect from moisture.

Avoid Interactions

Donepezil can interact with other medicines, requiring attention to avoid adverse outcomes.

Major Interactions (Avoid)

  • Anticholinergic agents: may reduce therapeutic effect of Donepezil.
  • Certain antiarrhythmics (e.g., quinidine): can increase cardiac conduction abnormalities.
  • Strong CYP2D6 inhibitors (e.g., fluoxetine): may raise Donepezil plasma levels.

Moderate Interactions (Monitor Closely)

  • NSAIDs: increase risk of gastrointestinal bleeding.
  • Beta‑blockers: may exacerbate bradycardia.
  • Other cholinesterase inhibitors: additive cholinergic effects.

Frequently Asked Questions

Nepanizil contains Donepezil, which is indicated for the treatment of mild to moderate Alzheimer’s disease. It is also approved for Parkinson’s disease dementia and dementia with Lewy bodies, where it helps improve cognition, memory, and daily functioning in affected patients.

Donepezil works by reversibly inhibiting acetylcholinesterase, the enzyme responsible for breaking down acetylcholine in the brain. This inhibition raises acetylcholine levels, enhancing cholinergic neurotransmission that supports learning, memory, and overall cognitive performance.

The dosage of Donepezil is individualized by the prescribing clinician based on patient characteristics. A common starting regimen is 5 mg taken once daily, which may be increased to 10 mg once daily if tolerated, but the exact dose must follow the prescriber’s order.

Safety of Donepezil in pregnancy and lactation has not been established; it is classified as a pregnancy category unknown. Use is generally avoided unless the potential benefit justifies the potential risk to the fetus or infant, and decisions should be made by a qualified healthcare professional.

To place an order, submit an enquiry on the Nepanizil 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 necessary import documentation.

Donepezil belongs to the acetylcholinesterase inhibitor class, similar to rivastigmine and galantamine. Compared with these agents, Donepezil is typically administered once daily, has a longer half‑life, and is often preferred for its convenient dosing and tolerability, although individual response may vary.

Nepanizil tablets should be stored at ambient temperature, below 25 °C, in the original packaging to protect from moisture and light. Keep the product out of reach of children and avoid storing in humid or excessively hot environments.

Nepanizil is taken orally as a whole tablet swallowed with water, with or without food. Patients should follow the prescriber’s instructions regarding timing and any dose adjustments, and should not crush or chew the tablet unless specifically directed by a healthcare professional.

Serious adverse events linked to Donepezil include significant bradycardia or other cardiac conduction problems, severe gastrointestinal bleeding or ulceration, hepatic injury, rare seizures, and severe skin reactions such as Stevens‑Johnson syndrome. Prompt medical attention is required if these symptoms occur.

Contraindications include patients with known hypersensitivity to Donepezil or any excipients, those with severe cardiac conduction disorders, active peptic ulcer disease, or individuals taking medications that may cause dangerous additive cholinergic effects. Clinicians should evaluate each patient’s medical history before initiating therapy.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

Disclaimer

At GNH India, we aim to provide information that is expert-reviewed, accurate, and reliable. However, all content on this platform is intended for general informational purposes only and does not constitute professional medical advice, diagnosis, or treatment. While efforts are made to maintain accuracy and currency, the information may contain errors, omissions, or may not reflect the latest developments. Always consult a qualified healthcare professional regarding any medical concerns.

All product names, brand names, trademarks and registered trademarks displayed on this website are the property of their respective owners. This website and its operator are not affiliated with, endorsed by, or authorized by any such trade mark owners unless expressly stated. Any reference to product names or trademarks is made solely for descriptive and informational purposes. No commercial relationship, sponsorship, approval, or association with any trademark owner should be inferred. Information provided herein does not constitute promotion, advertising, or an offer for sale of any medicinal product and is intended solely for general informational purposes.

All trademarks and brand names displayed on this website are used strictly in accordance with the provisions of the Trade Marks Act, 1999, specifically Sections 30 and 30(1) governing fair use. Trademark ownership has been accurately attributed under the "Manufacturer/ TM Owner" section in compliance with statutory requirements.

Ordering Process

Simple, Secure, and Seamless

Learn how our streamlined ordering process guarantees fast, compliant, and reliable access to essential medicines worldwide.

Quote request form

01

Submit Quote Request Form

Tell us what medications you need by filling out our simple form and uploading a valid document.

Price estimate review

02

We Review & Send Estimate

Our licensed pharmacists will verify your details and provide you with a detailed cost estimate.

Secure payment

03

Confirm & Make Payment

Discuss any queries, approve the estimate, and complete your payment.

Worldwide delivery

04

Get Delivered

Your medicines, safely packed and delivered to your door or nearest airport — hassle-free.

Quality You Can Trust

Our internationally recognized certifications underscore our commitment to safety, quality, and excellence.