Brezofil SR 400 Tablet | Doxofylline SR
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Home Medicines Asthma Brezofil SR 400 Tablet 1 Strip

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Brezofil SR 400 Tablet 1 Strip

Generic: Doxophylline

Type: Tablet

Pack Size: 10 Pcs

Doxofylline belongs to a group of medicines called bronchodilators. It is used to prevent and manage symptoms of asthma and COPD.
Doxofylline relaxes the airway muscles and widens the air passages in the lungs, making breathing easier. It also has cough-suppressing (antitussive) properties, which help reduce coughing.

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MRP: ৳ 120 5% Off

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✅ Description:

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.

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✔️ Brezofil is indicated for the management of:

Bronchial asthma

Bronchospasm

Chronic obstructive pulmonary disease (COPD)

Pulmonary disorders associated with bronchial spasm

✔️ Words of Advice:
  • Regular blood tests are recommended while taking Doxofylline to monitor potassium levels and levels of Doxofylline in the blood.
  • Doxofylline can cause serious side effects, possibly similar to those that occur when taking too much amount of caffeine. Avoid consuming Doxofylline with caffeinated beverages, such as chocolate and coffee.
✔️ Dosage & Administration

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.

✔️ Interaction

Drug-Drug Interaction: Doxofylline may interact with medicines used to treat gout (allopurinol), antacids (cimetidine), antibiotics (erythromycin, clindamycin, lincomycin), drugs used to lower high blood pressure (propranolol), central nervous system stimulants (ephedrine), flu vaccines (influenza vaccines), and anticonvulsants (phenytoin).

Drug-Food Interaction: Doxofylline may interact with caffeine. Therefore, avoid consuming Doxofylline with chocolate and caffeine-containing foods, such as cocoa beans and tea leaves, as they may increase the risk of severe side effects.

Drug-Disease Interaction: If you have low blood pressure, congestive heart failure, hypoxemia (low oxygen levels in the blood), hyperthyroidism (an overactive thyroid), pulmonary heart disease, stomach ulcers, kidney, liver, or heart disease, inform your doctor before taking Doxofylline.

✔️ Pregnancy & Lactation

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.

✔️ Brezofil is contraindicated in patients with:
  • Known hypersensitivity to doxophylline or other xanthine derivatives
  • Acute myocardial infarction
  • Hypotension
  • Lactation

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 the physician's discretion.

✔️ Safety Information:

If you are allergic to Brezofil SR 400 or any other medicines, please tell your doctor. You are recommended to avoid taking Doxofylline with chocolate and caffeinated foods, such as cocoa beans or tea leaves, as they may increase the risk of severe side effects. Doxofylline is contraindicated in breastfeeding mothers. If you are pregnant or planning a pregnancy, please consult a doctor before using Doxofylline. Do not take Doxofylline if you have low blood pressure or have had a heart attack. Brezofil SR 400 should be used with caution in congestive heart failure patients, as these patients have slow drug clearance, leading to high blood levels even after stopping treatment with Doxofylline. If you have low blood pressure, congestive heart failure, hypoxemia (low oxygen levels in the blood), hyperthyroidism (overactive thyroid), pulmonary heart diseases, stomach ulcer, kidney, liver, or heart diseases, inform your doctor before taking Doxofylline. Doxofylline is not recommended for children under 6 years of age, as its safety and efficacy have not been fully established.

✔️ Storage:

Store in a dry place, protected from light and heat.
Keep out of reach of children.

Frequently Asked Questions (FAQ)

COPD is a group of progressive lung diseases, mainly including chronic bronchitis and emphysema. Smoking is the leading cause, although long-term exposure to dust, fumes, or chemicals can also contribute. Symptoms include chronic cough, wheezing, and persistent shortness of breath.

Asthma is a chronic respiratory condition characterized by inflammation and narrowing of the airways, along with excess mucus production. This leads to breathing difficulty. Common symptoms include wheezing (a whistling sound while breathing), shortness of breath, chest tightness, and coughing—often worsening at night or early morning. In mild persistent asthma, symptoms occur more than twice a week and up to four nights per month. In severe persistent asthma, symptoms may occur several times daily and most nights. Management includes medications, breathing techniques, and lifestyle modifications.

No. Using erythromycin together with Doxofylline may increase the risk of side effects. Always consult your doctor before taking any additional medicines.

Common side effects may include headache, nausea, vomiting, stomach discomfort, irritability, insomnia, or increased heart rate. Most are mild and resolve on their own. If side effects persist or worsen, consult your doctor.

No. Doxofylline is a methylxanthine bronchodilator, not a steroid.

No. Smoking can reduce the effectiveness of Doxofylline and worsen lung conditions.

No. Doxofylline does not relieve sudden asthma symptoms. Always keep a fast-acting rescue inhaler available for emergency use.

Doxofylline should be avoided if you are allergic to it or other xanthine derivatives, are breastfeeding, have low blood pressure, or have had a recent heart attack. Inform your doctor about any medical conditions before starting treatment.

Yes. By opening the airways and suppressing cough, Doxofylline helps control symptoms and reduce the risk of asthma attacks.

Doxofylline is not recommended for children under 6 years of age, as its safety and effectiveness have not been established. Consult a doctor before use in children.

No. Stopping Doxofylline without medical advice may worsen symptoms or cause recurrence. Continue taking it for the duration prescribed by your doctor.

Taking more than the recommended dose may cause overdose symptoms such as irregular heartbeat or seizures. Seek medical help immediately if these occur.
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⚠️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.

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