Theo Asthalin Forte 4 Mg+200 Mg

Theo Asthalin Forte 4 mg+200 mg is a pharmaceutical drug that is used in the condition of Bronchospasm, Asthma and Chronic Obstructive Pulmonary Disease (COPD) Symptom. Theo Asthalin Forte contains Salbutamol and theophylline anhydrous as an active ingredient that works by blocking PDE3 and PDE4 enzymes by increasing the CAMP level in bronchial smooth muscle this relaxes the muscle and leads to bronchodilation.

Key Features

How does Theo Asthalin Forte 4 Mg+200 Mg

• Inhibition of phosphodiesterase enzymes (increasing intracellular cyclic AMP), antagonism of adenosine receptors, and modulation of intracellular calcium levels. Additionally, it has mild anti-inflammatory properties and improves diaphragmatic contractility.
• The combination enhances bronchodilatory efficacy while potentially reducing the dose of each component required, offering synergistic relief in moderate to severe bronchospasm.

Usage

• Symptomatic relief of reversible bronchospasm associated with asthma.
• Management of chronic obstructive pulmonary disease (COPD), including chronic bronchitis and emphysema.
• Prevention of exercise-induced bronchospasm (as adjunct therapy).

Dosage

• Adults: One tablet twice daily, preferably after meals.
• Maximum recommended dose: 2 tablets per day.
• Half tablet twice daily, under medical supervision.
• Not recommended for children below 6 years.

Side Effects

• Tremor
• Headache
• Palpitations
• Tachycardia
• Nervousness
• Restlessness
• Nausea
• Vomiting
• Gastric irritation
• Muscle cramps
• Arrhythmias
• Hypertension
• Insomnia
• Dizziness

Drug Interactions

• Concurrent use with other beta-agonists may increase cardiovascular side effects.
• Beta-blockers (especially non-selective ones like propranolol) may antagonize bronchodilatory effect.
• Cimetidine, fluoroquinolones, macrolide antibiotics, and allopurinol may increase theophylline levels and risk of toxicity.
• Phenytoin, rifampicin, barbiturates may reduce theophylline levels and decreased efficacy.
• Concurrent use with ephedrine or other sympathomimetics increases risk of adverse cardiovascular effects.

Pharmacokinetics

• Rapidly absorbed orally; peak plasma concentration within 1–3 hours.
• Metabolized in liver i.e., Hepatic metabolism.
• Is excreted primarily in the form of urine as metabolites and unchanged drug. Half-life: ~2.7–5 hours.

Theophylline

• Well absorbed orally; peak plasma concentration within 1–2 hours.
• Metabolized primarily by hepatic CYP1A2 enzyme.
• Therapeutic plasma concentration: 10–20 mcg/ml.
• Half-life: 6–12 hours in adults; varies with age, smoking status, liver function.

Precautions

• Use with caution in patients with cardiovascular disorders (arrhythmias, hypertension), hyperthyroidism, diabetes mellitus, or seizure disorders.
• Monitor serum theophylline levels periodically, especially during initiation or dose adjustment.
• Avoid abrupt withdrawal; may precipitate bronchospasm.
• Pregnancy Category C: Use only if benefit outweighs risk.
• Lactation: Excreted in breast milk; use cautiously.
• Elderly patients may require lower doses due to reduced clearance.

Conclusion

Theo Asthalin Forte 4 mg+200 mg is best and effective pharmaceutical drug that is used in the condition of Bronchospasm, Asthma and Chronic Obstructive Pulmonary Disease (COPD) Symptom. Theo Asthalin Forte contains Salbutamol and theophylline anhydrous as an active ingredient that works by blocking PDE3 and PDE4 enzymes by increasing the CAMP level in bronchial smooth muscle this relaxes the muscle and leads to bronchodilation. It may show some side effects like tremor, headache, palpitations, tachycardia and nervousness, to avoid such side effects and interaction consult a healthcare provider prior opting for any such medication.

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