allerde m tablet - Desloratadine (5mg) + Montelukast (10mg) medicine

allerde m tablet - Uses, Price, Side Effects & Substitutes

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๐Ÿญ East West Pharma ๐Ÿ“ฆ Varies by brand ๐Ÿ’Š Allopathy ๐Ÿ“… Updated: Jun 27, 2026
๐Ÿ“‹ Prescription Required ๐Ÿ’Š Generic Available
Medically Reviewed
Dr. SaathiMed Expert Panel | Jun 27, 2026

What is allerde m tablet used for?

Alorti-M Tablet (Desloratadine + Montelukast) is used to treat RESPIRATORY. It contains Desloratadine (5mg) + Montelukast (10mg), which Desloratadine: Selective peripheral H1-receptor antagonist; Montelukast: Selecti. Always consult your doctor before use. Take as prescribed.

  • Generic Name: Desloratadine + Montelukast
  • Manufacturer: East West Pharma
  • Form: Allopathy
  • Pregnancy Category: A
  • 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 allerde m tablet Uses & Benefits

Seasonal allergic rhinitis, perennial allergic rhinitis, asthma prophylaxis.

Off-label uses: Urticaria, chronic idiopathic urticaria (desloratadine); exercise-induced bronchoconstriction (montelukast).

๐Ÿ“‹ Drug Information

Generic Name(s)Desloratadine + Montelukast
Brand NameAlorti-M Tablet
ManufacturerEast West Pharma
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassRESPIRATORY
Action ClassAntihistamine + Leukotriene Receptor Antagonist
Route of AdministrationOral
StorageStore at 20-25ยฐC (68-77ยฐF), protect from light and moisture.
Shelf LifeAs per manufacturer

๐Ÿ”ฌ Pharmacology (PK/PD)

Pharmacokinetics

AbsorptionDesloratadine: Well absorbed; Montelukast: Rapidly absorbed after oral administration.
DistributionDesloratadine: Vd ~49 L; Montelukast: Vd ~10-11 L.
Protein BindingDesloratadine: 82-87%; Montelukast: >99%.
MetabolismDesloratadine: Hepatic (CYP2C8, CYP3A4); Montelukast: Hepatic (CYP3A4, CYP2C9).
Half-LifeDesloratadine: ~27 hours; Montelukast: ~2.7-5.5 hours.
ExcretionDesloratadine: Urine and feces; Montelukast: Feces (86%), urine (<0.2%).
BioavailabilityDesloratadine: ~100%; Montelukast: ~64% (oral).
Onset of ActionDesloratadine: 1-2 hours; Montelukast: Within hours.
Peak Plasma TimeDesloratadine: ~3-4 hours; Montelukast: ~3-4 hours.
Duration of ActionDesloratadine: 24 hours; Montelukast: 24 hours.

How It Works

Desloratadine: Selective peripheral H1-receptor antagonist; Montelukast: Selective leukotriene receptor antagonist (CysLT1).

Mechanism Steps

1Desloratadine blocks histamine at H1 receptors, reducing allergic symptoms.
2Montelukast blocks leukotriene D4 at CysLT1 receptors, reducing bronchoconstriction and inflammation.
3Combination provides dual blockade of allergic and asthmatic pathways.

๐Ÿ’ก How to Take allerde m tablet

Follow your doctor's prescription exactly.

โš ๏ธ Side Effects of allerde m tablet

โœ… Common Side Effects

  • Headache
  • Somnolence
  • Fatigue
  • Dry mouth
  • Pharyngitis

๐Ÿšจ Serious Side Effects

  • Hypersensitivity reactions
  • Angioedema
  • Severe skin reactions
  • Behavioral changes (montelukast)

โš ๏ธ Rare Side Effects

  • Seizures
  • Tachycardia
  • Hepatitis
  • Eosinophilic granulomatosis with polyangiitis

Consult your doctor if you experience any unusual symptoms.

๐Ÿ”ฌ Drug Interactions

โš ๏ธ DrugSeverityEffect
Ketoconazole Major Increased desloratadine levels
Fluconazole Major Increased montelukast levels
Phenobarbital Major Decreased montelukast efficacy
Rifampin Major Decreased montelukast levels
Gemfibrozil Moderate Increased montelukast levels
Erythromycin Moderate Increased montelukast levels
Cimetidine Minor Slight increase in desloratadine levels
Theophylline Minor No significant interaction

๐Ÿšจ Major Interactions

  • CYP3A4 inhibitors (e.g., ketoconazole)
  • CYP2C9 inhibitors (e.g., fluconazole)
  • Phenobarbital
  • Rifampin

โšก Moderate Interactions

  • Gemfibrozil
  • Itraconazole
  • Erythromycin

โ„น๏ธ Minor Interactions

  • Cimetidine
  • Theophylline

๐Ÿฝ๏ธ Food Interactions

Montelukast: Food may decrease absorption; take on empty stomach.

๐Ÿท Alcohol Interaction

May increase CNS depression; avoid alcohol.

๐Ÿ›ก๏ธ Safety & Warnings

๐Ÿšซ Contraindications

Hypersensitivity to any component; severe hepatic impairment.

๐Ÿ“Š Monitoring Parameters

Liver function tests, renal function, psychiatric symptoms (montelukast).

๐Ÿคฑ Lactation Safety

Desloratadine: Excreted in breast milk; caution. Montelukast: Excreted in breast milk; caution.

๐Ÿ’Š Overdose Management

Symptomatic and supportive treatment; no specific antidote.

โฐ Missed Dose

Take as soon as remembered; if near next dose, skip missed dose.

๐Ÿ‘จโ€โš•๏ธ Reviewed by Expert

Dr. SaathiMed Expert Panel

MD, PhD - Pharmacology

Reviewed: Jun 27, 2026

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