Salmeterol
Long acting β₂-adrenergic agonist.
Property | value |
---|---|
Generic name | salmeterol (inhalation) |
Brand names | Serevent 25 mcg (salmeterol) |
Brand names | Salmetocort 100/50 mcg (fluticasone + salmeterol) |
Form | inhalation powder (50 mcg/inh) |
Action duration | ~ 12 hours |
Dosing Summary
Asthma – Maintenance (Adults & Children ≥4 yrs)
- Dose: 50 mcg (1 inhalation) orally twice daily, ~12 hours apart
- Note: Must be used with an inhaled corticosteroid in persistent asthma.
- If ineffective: Reassess overall asthma control plan.
- Rescue symptoms: Use a short-acting beta2-agonist (SABA).
Bronchospasm Prevention (Exercise-Induced) (EIB)
- Adults & Children ≥4 yrs: 50 mcg (1 inhalation) orally 30 minutes before exercise
- Duration: Protection may last up to 9–12 hours
- Avoid: Repeat dosing within 12 hours
- Note: Patients receiving twice daily doses for asthma should not use extra doses for EIB.
COPD – Maintenance (Adults)
- Dose: 50 mcg (1 inhalation) orally twice daily, ~12 hours apart
- Use: Long-term treatment of bronchospasm in COPD, including emphysema & chronic bronchitis
🚫 Not Approved for Children <4 years
Pediatric Notes
- For patients under 18 with asthma, prefer fixed-dose of ICS/LABA combination pfoduct to ensure adherence with both drugs.
- If separate ICS + LABA are used, appropriate steps to ensure adherence with both treatment components.
Always use salmeterol as part of a long-term asthma control plan, not for quick relief.
Precautions & Warnings
US Boxed Warning: Asthma-Related Death
- LABAs like salmeterol increase risk of asthma-related death when used without an inhaled corticosteroid (ICS).
Pediatric Considerations
- LABA monotherapy increases risk of hospitalization in children and teens.
- Use ICS + LABA combo products to ensure adherence.
- Not approved for:
- Asthma in patients <4 years
- COPD in patients <18 years
Contraindications
- Treatment of asthma without an ICS
- Acute asthma/COPD episodes or status asthmaticus
- Severe milk protein allergy
Usage & Administration
- Oral inhalation only
- Do not exceed recommended dose or frequency
- If dose is missed, skip and take next dose on time—do not double dose
- Follow inhaler instructions from the manufacturer