airtec sf 500 instacap - Salmeterol (50mcg) + Fluticasone Propionate (500mcg) medicine

airtec sf 500 instacap - Uses, Price, Side Effects & Substitutes

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๐Ÿญ Glenmark Pharmaceuticals Ltd ๐Ÿ“ฆ Varies by brand ๐Ÿ’Š Allopathy ๐Ÿ“… Updated: Jun 26, 2026
๐Ÿ“‹ Prescription Required ๐Ÿ’Š Generic Available
Medically Reviewed
Dr. SaathiMed Expert Panel | Jun 26, 2026

What is airtec sf 500 instacap used for?

Airtec SF 250 Instacap (Salmeterol + Fluticasone Propionate) is used to treat RESPIRATORY. It contains Salmeterol (50mcg) + Fluticasone Propionate (500mcg), which Salmeterol: selective long-acting beta2-adrenoceptor agonist; Fluticasone: gluco. Always consult your doctor before use. Take as prescribed.

  • Generic Name: Salmeterol + Fluticasone Propionate
  • Manufacturer: Glenmark Pharmaceuticals Ltd
  • Form: Allopathy
  • Pregnancy Category: C
  • Prescription Required: Yes
๐Ÿ’ก Did You Know? India is the largest provider of generic medicines globally, supplying over 50% of global vaccine demand.

๐Ÿ’Š airtec sf 500 instacap Uses & Benefits

Asthma maintenance, COPD (including chronic bronchitis and emphysema)

Off-label uses: Not commonly used off-label

๐Ÿ“‹ Drug Information

Generic Name(s)Salmeterol + Fluticasone Propionate
Brand NameAirtec SF 250 Instacap
ManufacturerGlenmark Pharmaceuticals Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassRESPIRATORY
Action ClassLong-acting beta-agonist + Corticosteroid
Route of AdministrationInhalation (oral inhalation via dry powder inhaler)
StorageStore at 20-25ยฐC (68-77ยฐF); protect from moisture
Shelf LifeAs per manufacturer

๐Ÿ”ฌ Pharmacology (PK/PD)

Pharmacokinetics

AbsorptionInhaled: rapid absorption from lungs
DistributionWidely distributed; Fluticasone: high volume of distribution
Protein BindingSalmeterol: 96%; Fluticasone: 91%
MetabolismHepatic via CYP3A4
Half-LifeSalmeterol: 5.5 hours; Fluticasone: 7.8 hours
ExcretionFeces (major) and urine
BioavailabilityInhaled: low systemic bioavailability due to first-pass metabolism
Onset of ActionSalmeterol: 30-60 minutes
Peak Plasma TimeSalmeterol: 5-15 minutes; Fluticasone: 1-2 hours
Duration of Action12 hours

How It Works

Salmeterol: selective long-acting beta2-adrenoceptor agonist; Fluticasone: glucocorticoid receptor agonist

Mechanism Steps

1Salmeterol binds to beta2-adrenergic receptors on airway smooth muscle
2Activates adenylate cyclase, increasing cAMP
3cAMP causes relaxation of bronchial smooth muscle (bronchodilation)

๐Ÿ’ก How to Take airtec sf 500 instacap

Follow your doctor's prescription exactly.

โš ๏ธ Side Effects of airtec sf 500 instacap

โœ… Common Side Effects

  • Headache
  • Throat irritation
  • Hoarseness
  • Candidiasis (oral thrush)
  • Cough

๐Ÿšจ Serious Side Effects

  • Paradoxical bronchospasm
  • Adrenal insufficiency
  • Increased pneumonia risk (COPD)
  • Cardiac arrhythmias
  • Hypokalemia

โš ๏ธ Rare Side Effects

  • Anaphylaxis
  • Angioedema
  • Cushing's syndrome
  • Glaucoma
  • Cataracts

Consult your doctor if you experience any unusual symptoms.

๐Ÿ”ฌ Drug Interactions

โš ๏ธ DrugSeverityEffect
Ketoconazole Major Increased systemic exposure to fluticasone
Ritonavir Major Increased fluticasone levels, risk of Cushing's syndrome
Beta-blockers Major Antagonism of bronchodilator effect
Diuretics (non-potassium sparing) Major Hypokalemia risk
MAOIs Moderate Increased cardiovascular effects
Tricyclic antidepressants Moderate Enhanced sympathomimetic effects
Other sympathomimetics Moderate Additive cardiovascular effects

๐Ÿšจ Major Interactions

  • CYP3A4 inhibitors (e.g., ketoconazole, ritonavir)
  • Beta-blockers
  • Diuretics (non-potassium sparing)

โšก Moderate Interactions

  • MAOIs
  • Tricyclic antidepressants
  • Other sympathomimetics

โ„น๏ธ Minor Interactions

  • Xanthine derivatives
  • Anticholinergics

๐Ÿฝ๏ธ Food Interactions

No significant food interactions

๐Ÿท Alcohol Interaction

No specific interaction

๐Ÿ›ก๏ธ Safety & Warnings

๐Ÿšซ Contraindications

Hypersensitivity to any component, status asthmaticus, severe hypersensitivity to milk proteins (lactose)

๐Ÿ“Š Monitoring Parameters

Peak flow, FEV1, asthma symptoms, signs of adrenal insufficiency, bone density (long-term), ocular pressure

๐Ÿคฑ Lactation Safety

Caution; excreted in breast milk

๐Ÿ’Š Overdose Management

Supportive care; monitor cardiac function and potassium levels; consider beta-blocker for salmeterol overdose

โฐ Missed Dose

Take as soon as remembered; skip if close to next dose; do not double dose

๐Ÿ‘จโ€โš•๏ธ Reviewed by Expert

Dr. SaathiMed Expert Panel

MD, PhD - Pharmacology

Reviewed: Jun 26, 2026

๐Ÿ”— View Profile

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