Diazepam

Generic Details

Generic Name

Diazepam

Other Names

  • Valium

Drug Class

  • Benzodiazepine

Chemical Formula

C16H13ClN2O

Molecular Weight

284.74 g/mol

Mechanism of Action

  • Enhances the effects of gamma-aminobutyric acid (GABA) in the brain

Indications

  • Anxiety disorders
  • Alcohol withdrawal
  • Muscle spasms
  • Seizures
  • Insomnia

Common Dosage Forms

  • Tablet
  • Capsule
  • Injection
  • Rectal Gel

Typical Dosage

  • 2-10 mg, 2-4 times daily for anxiety disorders

Pediatric Dosage

  • 0.1-0.3 mg/kg/dose, 2-4 times daily for seizures

Geriatric Dosage

  • Lower initial dose and titrate slowly to avoid oversedation

Side Effects

  • Drowsiness
  • Fatigue
  • Muscle weakness
  • Confusion
  • Dizziness

Contraindications

  • Acute narrow-angle glaucoma
  • Severe respiratory insufficiency
  • Hypersensitivity to benzodiazepines

Pregnancy Category

  • Category D - Potential risk of harm to the fetus, use only if benefits outweigh risks

Lactation Safety

  • Compatible with breastfeeding in low doses

Drug Interactions

  • Alcohol
  • Other CNS depressants
  • Antacids

Overdose Symptoms

  • Extreme drowsiness
  • Confusion
  • Slurred speech
  • Weakness
  • Coma

Antidote for Overdose

  • Flumazenil

Storage Conditions

  • Store at room temperature away from light and moisture

Pharmacokinetics

  • Absorption: Rapidly and well absorbed after oral administration
  • Distribution: Crosses the blood-brain barrier and placenta, enters breast milk
  • Metabolism: Hepatic via CYP enzymes
  • Excretion: Primarily renal excretion of metabolites

Precautions

  • Avoid abrupt discontinuation after prolonged use to prevent withdrawal symptoms

Warnings

  • May be habit-forming, risk of dependence and tolerance with long-term use

Others

  • It is essential to follow dosage instructions carefully and not to exceed prescribed doses.