Gliclazide

Generic Details

Generic Name

Gliclazide

Other Names

  • Diamicron
  • Diamicron MR
  • Diamicron 60
  • Diamicron 80

Drug Class

  • Sulfonylurea

Chemical Formula

C15H21N3O3S

Molecular Weight

323.41 g/mol

Mechanism of Action

  • Stimulates insulin release from pancreatic beta cells

Indications

  • Type 2 diabetes mellitus

Common Dosage Forms

  • Tablet

Typical Dosage

  • 80-320 mg/day

Pediatric Dosage

  • Not established

Geriatric Dosage

  • Initial dose may be lower due to increased risk of hypoglycemia

Side Effects

  • Hypoglycemia
  • Gastrointestinal upset
  • Skin reactions
  • Weight gain

Contraindications

  • Hypersensitivity to sulfonylureas
  • Type 1 diabetes
  • Severe renal or hepatic impairment

Pregnancy Category

  • C - Risk cannot be ruled out

Lactation Safety

  • Not recommended, may pass into breast milk

Drug Interactions

  • Beta-blockers
  • NSAIDs
  • Sulfonamides
  • MAO inhibitors

Overdose Symptoms

  • Hypoglycemia
  • Coma

Antidote for Overdose

  • Glucose
  • Diazoxide

Storage Conditions

  • Store at room temperature away from moisture and heat

Pharmacokinetics

  • Absorption: Well absorbed from the gastrointestinal tract
  • Distribution: Protein binding is about 95%
  • Metabolism: Metabolized in the liver
  • Excretion: Excreted mainly in the urine

Precautions

  • Regular monitoring of blood glucose levels
  • Adjust dose in renal or hepatic impairment

Warnings

  • Risk of hypoglycemia, especially in the elderly

Others

  • May increase the risk of heart failure in some patients