Doxofyl SR Tablet 400 mg contains Doxophylline in a sustained-release (SR) formulation, designed for prolonged bronchodilation in patients with asthma and chronic obstructive pulmonary disease (COPD). The sustained-release technology allows gradual release of the drug, providing long-lasting relief from airway obstruction and improving patient compliance with once or twice daily dosing.
রেজিস্টার্ড চিকিৎসকের পরামর্শ অনুযায়ী ঔষধ সেবন করুন
Composition
Each sustained-release tablet contains:
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Doxophylline 400 mg (SR formulation)
This formulation ensures controlled drug release for extended therapeutic action.
Indications
Doxofyl SR Tablet is indicated for:
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Bronchial asthma
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Chronic obstructive pulmonary disease (COPD)
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Chronic bronchitis
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Bronchospasm associated with respiratory disorders
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Maintenance therapy for chronic airway obstruction
It is not intended for rapid relief of acute asthma attacks.
Pharmacological Action
Doxophylline is a xanthine derivative that acts as a bronchodilator:
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Inhibits phosphodiesterase enzymes, increasing intracellular cyclic AMP (cAMP)
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Relaxes bronchial smooth muscles and widens airways
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Improves airflow and oxygen exchange
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Provides bronchodilation with fewer cardiovascular and CNS side effects compared to theophylline
The sustained-release formulation ensures stable plasma levels and prolonged action.
Dosage & Administration
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Dosage is individualized based on patient condition and physician advice
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Commonly taken once or twice daily
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Swallow whole; do not crush or chew the SR tablet
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Can be taken with or without food
Strict adherence to prescribed dosage is recommended.
Side Effects
Doxofyl SR is generally well tolerated, but some side effects may occur:
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Nausea or vomiting
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Headache
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Insomnia or restlessness
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Gastric irritation
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Rarely, palpitations or allergic reactions
Consult a healthcare provider if adverse effects persist or worsen.
Contraindications
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Hypersensitivity to Doxophylline or xanthine derivatives
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Severe cardiac arrhythmias (use with caution)
Precautions & Warnings
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Not suitable for acute asthma attacks requiring emergency relief
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Use cautiously in patients with heart disease, hypertension, or liver impairment
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Avoid excessive caffeine intake during treatment
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Long-term therapy may require periodic monitoring
রেজিস্টার্ড চিকিৎসকের পরামর্শ অনুযায়ী ঔষধ সেবন করুন
Use in Pregnancy & Lactation
The safety of Doxophylline during pregnancy and lactation is not fully established. It should be used only if clearly necessary and under medical supervision.
Storage
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Store below 30°C
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Keep in a dry place, protected from light
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Do not crush or break SR tablets
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Keep out of reach of children.