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Galantamine

Galantamine is used for the treatment of mild to moderate Alzheimer's disease and various other memory impairments, in particular those of vascular origin. More

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Description

Galantamine is used for the treatment of mild to moderate Alzheimer's disease and various other memory impairments, in particular those of vascular origin.

Generic Name

Galantamine

Chemical names

Galanthamine; Galantamine; Lycoremine; (-)-Galanthamine

Brand names

Galamer

IUPAC name

(1S,12S,14R)-9-methoxy-4-methyl-11-oxa-4-azatetracyclo[8.6.1.0¹,¹².0?,¹?]heptadeca-6(17),7,9,15-tetraen-14-ol

Pharmacokinetics

Hepatic metabolism

Actions

Galantamine is a parasympathomimetic, specifically, a reversible cholinesterase inhibitor. It is indicated for the treatment of mild to moderate dementia of the Alzheimer's type. An early Pathophysiological feature of Alzheimer's disease associated with memory loss and cognitive deficits are a deficiency of acetylcholine as a result of selective loss of cholinergic neurons in the cerebral cortex, nucleus basalis, and hippocampus. Galantamine is postulated to exert its therapeutic effect by enhancing cholinergic function. 

Dosage/Dosage form

The recommended dose is 4mg every 12 hours PO.

Therapeutic uses

For the treatment of mild to moderate dementia of the Alzheimer's type. 

Adverse effects/Side effects

Anuria, tarry stools, chest pain, bradycardia, malena, weakness, polydipsia, fatigue, weight loss, headache, nausea and anorexia.

Interaction

Galantamine may interact with other drugs such as methscopolamine, belladonna, mepenzolate, ketoconazole, glycopyrrolate, dicyclomine, clinidium, atropine and propantheline.

Contraindications

Hypersensitivity.

Storage

Store at 20-25°C.

Information

Molecular weight

287.3535

Molecular formula

C17H21NO3

CAS number

357-70-0

Precautions

  • Galantamine is contraindicated in patients with urination problems, hepatic disorders, seizures, arrhythmia, renal problems, GI bleeding and COPD.
  • Do not operate heavy machineries or do not drive vehicles.
  • Galantamine may impair cognitive and thinking abilities.