asmabron-n tablet - Montelukast (10mg) + Theophylline (400mg) medicine

Asmabron-N Tablet - Uses, Price, Side Effects

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๐Ÿญ Overseas Pharma Pvt Ltd ๐Ÿ“ฆ Varies by brand ๐Ÿ’Š Allopathy ๐Ÿ“… Updated: Jun 23, 2026
๐Ÿ“‹ Prescription Required ๐Ÿ’Š Generic Available
Medically Reviewed
Dr. SaathiMed Expert Panel | Jun 23, 2026

What is asmabron-n tablet used for?

Asmabron-N Tablet is a combination of Montelukast (10mg) and Theophylline (400mg) used to prevent and treat asthma and COPD symptoms. Montelukast blocks leukotrienes to reduce airway inflammation, while Theophylline relaxes bronchial muscles, improving breathing. It is taken twice daily as prescribed.

  • Generic Name: Montelukast + Theophylline
  • Manufacturer: Overseas Pharma Pvt Ltd
  • 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 asmabron-n tablet Uses & Benefits

Prophylaxis and chronic treatment of asthma, nocturnal asthma, exercise-induced bronchoconstriction.

Off-label uses: Allergic rhinitis, Urticaria

๐Ÿ“‹ Drug Information

Generic Name(s)Montelukast + Theophylline
Brand NameAsmabron-N Tablet
ManufacturerOverseas Pharma Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassRESPIRATORY
Action ClassLeukotriene receptor antagonist + Xanthine bronchodilator
Route of AdministrationOral
StorageStore at 20-25ยฐC, protect from light and moisture.
Shelf LifeAs per manufacturer

๐Ÿ”ฌ Pharmacology (PK/PD)

Pharmacokinetics

AbsorptionMontelukast: Rapidly absorbed after oral administration; Theophylline: Well absorbed orally.
DistributionMontelukast: >99% protein bound; Theophylline: 40% protein bound, widely distributed.
Protein BindingMontelukast: >99%; Theophylline: 40%
MetabolismMontelukast: Extensively metabolized by CYP3A4 and CYP2C9; Theophylline: Hepatic metabolism via CYP1A2.
Half-LifeMontelukast: 2.7-5.5 hours; Theophylline: 3-12 hours (variable).
ExcretionMontelukast: Primarily in feces; Theophylline: Renal (10% unchanged).
BioavailabilityMontelukast: 64%; Theophylline: 96%
Onset of ActionMontelukast: Within hours; Theophylline: 30-60 minutes.
Peak Plasma TimeMontelukast: 2-4 hours; Theophylline: 1-2 hours.
Duration of ActionMontelukast: 24 hours; Theophylline: 6-12 hours.

How It Works

Montelukast: Blocks leukotriene D4 receptors; Theophylline: Inhibits phosphodiesterase, increases cAMP.

Mechanism Steps

1Montelukast binds to CysLT1 receptor, blocking leukotriene D4 action.
2Reduces airway edema, smooth muscle contraction, and inflammation.
3Theophylline inhibits phosphodiesterase, increasing cAMP levels.

๐Ÿ’ก How to Take asmabron-n tablet

Follow your doctor's prescription exactly.

Dosage Timeline

๐ŸŒ… Morning โœ… โ˜€๏ธ Afternoon โŒ ๐ŸŒ† Evening โœ… ๐ŸŒ™ Night โŒ

โš ๏ธ Side Effects of asmabron-n tablet

โœ… Common Side Effects

  • Headache
  • Dizziness
  • Nausea
  • Diarrhea
  • Insomnia

๐Ÿšจ Serious Side Effects

  • Seizures
  • Arrhythmias
  • Stevens-Johnson syndrome
  • Hepatotoxicity

โš ๏ธ Rare Side Effects

  • Churg-Strauss syndrome
  • Pulmonary eosinophilia

Consult your doctor if you experience any unusual symptoms.

๐Ÿ”ฌ Drug Interactions

โš ๏ธ DrugSeverityEffect
Warfarin Major Increased bleeding risk
Cimetidine Moderate Increased theophylline levels
Phenytoin Moderate Decreased theophylline effect

๐Ÿšจ Major Interactions

  • CYP1A2 inhibitors (e.g., ciprofloxacin, fluvoxamine)
  • CYP3A4 inducers (e.g., rifampin)
  • Lithium
  • Warfarin

โšก Moderate Interactions

  • Phenytoin
  • Carbamazepine
  • Oral contraceptives
  • Beta-blockers

โ„น๏ธ Minor Interactions

  • Caffeine
  • Theophylline-containing products
  • Zafirlukast

๐Ÿฝ๏ธ Food Interactions

High-fat meals may decrease absorption of montelukast; Theophylline absorption affected by food (avoid charcoal-broiled foods).

๐Ÿท Alcohol Interaction

Alcohol may increase theophylline clearance.

๐Ÿ›ก๏ธ Safety & Warnings

Liver
Moderate
Kidney
Low
Heart
Moderate
Pregnancy
Category A

๐Ÿšซ Contraindications

Hypersensitivity to components, porphyria, active peptic ulcer, seizure disorders (theophylline).

๐Ÿ“Š Monitoring Parameters

Peak expiratory flow, serum theophylline levels, liver function, ECG.

๐Ÿคฑ Lactation Safety

Montelukast: Excreted in milk, use with caution; Theophylline: Excreted in milk, may cause irritability in infant.

๐Ÿ’Š Overdose Management

Gastric lavage, activated charcoal, supportive care; monitor cardiac and CNS effects.

โฐ Missed Dose

Take as soon as remembered; if near next dose, skip missed dose. Do not double dose.

๐Ÿ‘จโ€โš•๏ธ Reviewed by Expert

Dr. SaathiMed Expert Panel

MD, PhD - Pharmacology

Reviewed: Jun 23, 2026

๐Ÿ”— View Profile

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