Nepezil (Donepezil Hydrochloride)

Donepezil, the active ingredient in Nepezil, is an acetylcholinesterase inhibitor presented as an oral tablet for oral use. It is indicated for the treatment of Alzheimer’s disease in adult patients. GNH USA supplies Nepezil as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Nepezil is an acetylcholinesterase inhibitor used in the management of Alzheimer’s disease, a neurodegenerative disorder affecting memory and cognition. - Alzheimer’s disease (mild to moderate): improves cognition and daily functioning - Alzheimer’s disease (moderate): helps maintain memory and attention - Alzheimer’s disease (early stage): may delay functional decline

Donepezil is associated with a range of adverse reactions that vary in frequency and severity.

Common Side Effects: - Nausea - Diarrhea - Insomnia - Muscle cramps - Fatigue - Decreased appetite

Serious or Rare Side Effects: - Bradycardia or heart block - Severe gastrointestinal bleeding - Hepatotoxicity - Seizures - Stevens‑Johnson syndrome or toxic epidermal necrolysis - Acute respiratory distress

When prescribing Donepezil, clinicians should consider several safety aspects. - Cardiac assessment: monitor for bradycardia or conduction abnormalities - Hepatic function: evaluate liver enzymes before initiation - Gastrointestinal history: use cautiously in patients with active ulcers or bleeding - Discontinuation: avoid abrupt stop; taper under medical supervision - Pregnancy and lactation: prescribe only if potential benefit outweighs risk - Store at ambient temperature: keep in original container, protect from moisture

Donepezil may interact with other medicines, requiring careful management.

Major Interactions (Avoid): - Strong CYP2D6 inhibitors (e.g., fluoxetine, paroxetine): may increase Donepezil levels - Concurrent acetylcholinesterase inhibitors: risk of excessive cholinergic activity - Anticholinergic agents (e.g., atropine, diphenhydramine): antagonize therapeutic effect

Moderate Interactions (Monitor Closely):\n- Beta‑blockers: monitor heart rate and blood pressure - NSAIDs or aspirin: watch for gastrointestinal bleeding - Diuretics: observe electrolyte balance and renal function