Gentamicin Sulfate (Topical)

Generic Details

Generic Name

Gentamicin Sulfate Topical

Other Names

  • Gentamicin cream
  • Gentamicin ointment

Drug Class

  • Aminoglycoside Antibiotic

Chemical Formula

C21H43N5O7

Molecular Weight

477.595 g/mol

Mechanism of Action

  • Inhibits bacterial protein synthesis by binding to the 30S ribosomal subunit

Indications

  • Topical treatment of skin infections caused by susceptible bacteria

Common Dosage Forms

  • Cream
  • Ointment

Typical Dosage

  • Apply a thin layer to the affected area 2-4 times daily

Pediatric Dosage

  • Use with caution and as directed by a healthcare provider

Geriatric Dosage

  • Use with caution and as directed by a healthcare provider

Side Effects

  • Local irritation
  • Allergic contact dermatitis
  • Burning sensation

Contraindications

  • Hypersensitivity to aminoglycosides

Pregnancy Category

  • Category D - Positive evidence of risk

Lactation Safety

  • Caution advised. Consult healthcare provider before use

Drug Interactions

  • No significant drug interactions reported with topical use

Overdose Symptoms

  • Unlikely with topical use

Antidote for Overdose

  • N/A - Unlikely with topical use

Storage Conditions

  • Store at room temperature away from moisture and heat

Pharmacokinetics

  • Absorption: Minimal systemic absorption through intact skin
  • Distribution: Limited distribution
  • Metabolism: Not extensively metabolized
  • Excretion: Primarily excreted unchanged in the urine

Precautions

  • Avoid contact with eyes and mucous membranes

Warnings

  • Discontinue use if skin irritation occurs

Others