Salmeterol + Fluticasone Propionate

Generic Details

Generic Name

Salmeterol-Fluticasone-Propionate

Other Names

  • Seretide
  • Advair

Drug Class

  • Long-acting beta-agonist (LABA)
  • Inhaled corticosteroid (ICS)

Chemical Formula

C25H31F3O5S

Molecular Weight

500.57 g/mol

Mechanism of Action

  • Salmeterol: Selective beta2-adrenergic agonist
  • Fluticasone: Corticosteroid that inhibits inflammation

Indications

  • Asthma
  • Chronic obstructive pulmonary disease (COPD)

Common Dosage Forms

  • Inhalation powder
  • Inhalation aerosol

Typical Dosage

  • Salmeterol 50 mcg/Fluticasone 100 mcg, twice daily

Pediatric Dosage

  • Dosage should be individualized based on weight and age

Geriatric Dosage

  • Dose adjustment may be required based on renal and hepatic function

Side Effects

  • Throat irritation
  • Hoarseness
  • Cough
  • Headache
  • Nausea

Contraindications

  • Hypersensitivity to salmeterol or fluticasone
  • Status asthmaticus

Pregnancy Category

  • C (Salmeterol)
  • C (Fluticasone)

Lactation Safety

  • L3 (Salmeterol)
  • L2 (Fluticasone)

Drug Interactions

  • Beta-blockers
  • Ketoconazole
  • Ritonavir

Overdose Symptoms

  • Tremor
  • Headache
  • Palpitations

Antidote for Overdose

Not applicable

Storage Conditions

  • Store at room temperature between 68-77°F (20-25°C)
  • Protect from moisture and light

Pharmacokinetics

  • Absorption: Well absorbed from the lungs
  • Distribution: Protein binding: Fluticasone 91%, Salmeterol 96%
  • Metabolism: Hepatic
  • Excretion: Mainly in feces

Precautions

  • Monitor for signs of systemic corticosteroid effects
  • Do not use for acute asthma attacks

Warnings

  • Increased risk of asthma-related deaths
  • Not a rescue inhaler

Others