Brezofil is indicated for the management of:
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Doxophylline is a newer-generation bronchodilator that differs structurally from theophylline due to the presence of a dioxolane group at position 7. This structural modification allows doxophylline to selectively inhibit phosphodiesterase-4 (PDE-4), resulting in relaxation of bronchial smooth muscle and improved airflow.
Unlike theophylline, doxophylline has lower affinity for adenosine A1 and A2 receptors, which contributes to its improved safety profile and reduced cardiovascular side effects. Additionally, doxophylline inhibits platelet-activating factor (PAF) and suppresses leukotriene production, further supporting its anti-inflammatory and bronchodilatory effects.
Overdose may result in life-threatening cardiac arrhythmias and tonic-clonic seizures. There is no specific antidote. Management includes symptomatic and supportive treatment, particularly addressing cardiovascular complications. Treatment may be resumed at a reduced dose once all toxic symptoms have resolved, under medical supervision.
Several factors may reduce the hepatic clearance of xanthine derivatives, increasing plasma drug levels. These include advanced age, congestive heart failure, COPD, severe liver disease, infections, and concurrent use of interacting drugs. In such cases, dose reduction and monitoring of blood drug levels are recommended.
In patients with congestive heart failure, drug clearance may be significantly delayed, leading to prolonged elevated plasma levels even after discontinuation. There is no evidence of drug dependence or addiction.
Elderly:
200 mg tablet, two or three times daily
Adults:
400 mg tablet, two or three times daily, or as directed by the physician
Children:
Above 12 years: 10 ml syrup or 200 mg tablet, two or three times daily
6–12 years: 6–9 mg/kg body weight, twice daily
Example: For a child weighing 10 kg, 3 ml (60 mg) twice daily
If the total daily requirement is 400 mg, a Doxophylline sustained-release (SR) tablet may be administered once daily, preferably as prescribed by the physician.
Rarely, hyperglycemia or albuminuria
In cases of overdose, severe cardiac arrhythmias and tonic-clonic seizures may occur and may represent early signs of toxicity. If adverse effects appear, treatment may need to be discontinued and restarted at a lower dose after symptoms resolve, based on physician discretion.
Brezofil should not be used concomitantly with other xanthine derivatives. Intake of caffeine-containing foods and beverages should be limited during therapy.
Caution is advised when administered with ephedrine or other sympathomimetic agents. Certain medications such as erythromycin, troleandomycin, lincomycin, clindamycin, allopurinol, cimetidine, propranolol, and influenza vaccine may reduce hepatic clearance of xanthines, leading to elevated plasma drug levels.
Conversely, phenytoin, other anticonvulsants, and cigarette smoking may increase drug clearance and reduce plasma half-life, which may necessitate dosage adjustment.
Animal studies indicate that doxophylline does not adversely affect pre- or postnatal development. However, due to limited clinical data in pregnant women, use during pregnancy should be carefully considered based on the risk-benefit ratio.
The drug is contraindicated during lactation.
Store in a dry place, protected from light and heat.
Keep out of reach of children.
Brezofil should be used only on the prescription of a specialist physician.
⚠️Disclaimer:
At ePharma, we’re committed to providing accurate and accessible health information. However, all content is intended for informational purposes only and should not replace medical advice from a qualified physician. Please consult your healthcare provider for personalized guidance. We aim to support, not substitute, the doctor-patient relationship.