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DIGIHALER SF 250 WITH DOSE INDICATOR 120md Inhaler 7.2g
Seroflo 250 Rotacaps
Salmeterol: Long-Acting Bronchodilator for Respiratory Maintenance
Salmeterol, the selective Long-acting Beta-2-Adrenoceptor Agonist (LABA), is used in the long-term management of reversible airway obstruction. Instead of providing the quick relief offered by short-acting rescue inhalers, Salmeterol has a long side chain that binds to the exosite of beta receptors in the lungs and provides sustained bronchodilatation for up to 12 hours.
Mainly indicated as adjunct therapy in asthma patients and in Chronic Obstructive Pulmonary Disease (COPD) patients, including chronic bronchitis and emphysema, it helps keep the smooth muscles of the airways relaxed and prevents wheezing, shortness of breath, and chest tightness.
Therapeutic Benefits & Clinical Profile
Sustained Airway Clearance: Provides long-lasting airway opening, helping control nocturnal asthma and early morning decline in lung function.
Exercise-Induced Bronchospasm (EIB) Prevention: Helps prevent airway constriction triggered by exercise when taken 30–60 minutes prior.
COPD Management: Improves airflow and lung capacity over 24 hours when taken twice daily, reducing exacerbations.
Smooth Muscle Relaxation: Selectively targets pulmonary beta2-receptors with minimal stimulation of beta1-receptors in the heart.
Comparison by a Pharmacist: Salmeterol (LABA) vs. Salbutamol (SABA)
Delivery System
Salmeterol (Striverdi) – Slow onset (10–20 minutes), long duration (12 hours), used for prevention and daily control, taken twice daily on fixed schedule
Salbutamol (Ventolin) – Rapid onset (1–5 minutes), short duration (4–6 hours), used for immediate relief as needed
Usage and Administration
Fixed Schedule: Take Salmeterol regularly at the same time each morning and evening, regardless of symptoms.
Inhalation Technique: For Dry Powder Inhaler (DPI), inhale deeply and slowly to ensure proper delivery to lower airways.
Combination Therapy: Must be used with an Inhaled Corticosteroid (ICS) in asthma and should never be used alone for asthma management.
Frequently Asked Questions (FAQs)
1. Can Salmeterol be used during a sudden asthma attack?
No. It has a slow onset and is not suitable for emergency relief. A fast-acting inhaler like Salbutamol must be used instead.
2. Why must it be used with an ICS?
Salmeterol controls bronchoconstriction but not airway inflammation. Using it alone may mask worsening asthma, so it must be combined with an anti-inflammatory steroid.
3. What if I miss a dose?
Take it when remembered unless the next dose is near. Do not double the dose.
4. What are common side effects?
Possible mild effects include headache, tremors, dizziness, or palpitations. Severe symptoms should be reported to a physician.
5. Can children use Salmeterol?
Yes, typically for children over 4 years, but only under pediatric supervision with proper dosing and device selection.
