Doxofylline 400 mg Uses, Dosage, Side Effects & How to Take

Sep 04, 2025

Buy DX PHYLLIN 400 – Doxofylline 400mg Tablets

DX PHYLLIN 400 contains Doxofylline 400mg, a prescription bronchodilator medicine commonly used in the management of respiratory conditions such as asthma and chronic obstructive pulmonary disease (COPD). It helps relax the muscles of the airways, making breathing easier and reducing symptoms like wheezing, chest tightness, and shortness of breath.

Doxofylline belongs to the xanthine bronchodilator class of medicines. It is often prescribed as maintenance therapy to improve airflow and support long-term respiratory health. Unlike rescue inhalers that provide immediate relief during acute attacks, Doxofylline is generally used as part of an ongoing treatment plan prescribed by a healthcare professional.

Manufactured and marketed by Steris Healthcare Pvt Ltd, DX PHYLLIN 400 is produced under WHO-GMP certified quality standards, ensuring high manufacturing quality and consistency.

Important: DX PHYLLIN 400 is a prescription-only medicine and should be taken only under the supervision of a qualified healthcare professional.

What is Doxofylline 400mg?

Doxofylline 400mg is a bronchodilator medicine used to improve breathing in patients with chronic respiratory diseases. It works by relaxing the smooth muscles surrounding the airways, allowing the air passages to widen and making it easier for air to move in and out of the lungs.

Doctors commonly prescribe Doxofylline as part of long-term management for patients with asthma or COPD to reduce symptoms and improve quality of life.

Uses of Doxofylline 400mg

Your doctor may prescribe DX PHYLLIN 400 for:

  • Management of bronchial asthma

  • Chronic Obstructive Pulmonary Disease (COPD)

  • Chronic bronchitis with airway obstruction

  • Long-term maintenance therapy for respiratory disorders

  • Improvement of breathing and lung function

This medicine should be taken only for the condition prescribed by your healthcare provider.

How Doxofylline 400mg Works

Doxofylline belongs to the xanthine derivative class of medicines. It works by relaxing bronchial smooth muscles and helping widen the airways.

This action:

  • Improves airflow

  • Reduces airway resistance

  • Helps relieve breathing difficulty

  • Supports better oxygen delivery

  • Improves respiratory comfort

Because it is intended for maintenance therapy, it should not replace emergency rescue medication during sudden asthma attacks unless advised by your doctor.

Benefits of Doxofylline 400mg

When prescribed appropriately, DX PHYLLIN 400 may help:

  • Improve breathing comfort

  • Reduce wheezing

  • Relieve chest tightness

  • Improve airflow in the lungs

  • Support long-term asthma management

  • Help control COPD symptoms

  • Improve exercise tolerance in some patients

  • Enhance daily respiratory function

Individual treatment response varies depending on the severity of the respiratory condition and adherence to therapy.

Dosage

Take DX PHYLLIN 400 exactly as prescribed by your healthcare professional.

General recommendations include:

  • Swallow the tablet whole with water.

  • Take at the same time every day if prescribed regularly.

  • Follow your doctor's prescribed dose and duration.

  • Do not increase or decrease the dose without medical advice.

  • Continue treatment even if symptoms improve unless instructed otherwise.

Missed doses should be managed according to your doctor's advice. Do not take a double dose to make up for a missed dose.

Possible Side Effects

Like all medicines, Doxofylline 400mg may cause side effects, although not everyone experiences them.

Common side effects include:

  • Nausea

  • Headache

  • Stomach discomfort

  • Vomiting

  • Dizziness

  • Mild nervousness

  • Difficulty sleeping

Seek immediate medical attention if you develop:

  • Severe allergic reactions

  • Rapid or irregular heartbeat

  • Persistent vomiting

  • Severe dizziness

  • Difficulty breathing after taking the medicine

Consult your doctor if side effects persist or become troublesome.

Precautions and Warnings

Before taking DX PHYLLIN 400, inform your doctor if you have:

  • Heart disease

  • High blood pressure

  • Liver disease

  • Kidney disease

  • Stomach ulcers

  • Hyperthyroidism

  • Epilepsy or seizure disorders

  • Pregnancy or breastfeeding

Additional precautions:

  • Inform your doctor about all medicines you are taking.

  • Avoid changing the prescribed dose without medical advice.

  • Continue regular follow-up appointments.

  • Seek immediate medical care during severe breathing attacks.

Storage Instructions

Store DX PHYLLIN 400:

  • In a cool and dry place

  • Away from direct sunlight

  • Away from excessive moisture

  • In the original packaging

  • Out of the reach of children

Do not use after the expiry date printed on the packaging.

Why Choose Doxofylline 400mg?

DX PHYLLIN 400 provides Doxofylline 400mg, a widely prescribed bronchodilator for long-term respiratory care. Manufactured and marketed by Steris Healthcare Pvt Ltd, it is produced under WHO-GMP certified quality standards to support reliable pharmaceutical quality.

Always use this medicine under the supervision of a qualified healthcare professional.

Frequently Asked Questions 

1. What is Doxofylline 400mg used for?

Doxofylline 400mg is used to help manage asthma and chronic obstructive pulmonary disease (COPD) by improving airflow through the lungs.

2. Is Doxofylline a steroid?

No. Doxofylline is not a steroid. It is a xanthine bronchodilator that helps relax airway muscles.

3. Can Doxofylline 400mg stop an asthma attack immediately?

No. Doxofylline is generally used for maintenance treatment and should not replace a rescue inhaler for sudden asthma attacks.

4. How should Doxofylline 400mg be taken?

Take the tablet exactly as prescribed by your doctor with water. Follow the recommended dose and duration.

5. Can Doxofylline be taken daily?

Yes, if prescribed by your doctor as part of your long-term respiratory treatment plan.

6. What are the common side effects of Doxofylline?

Common side effects include nausea, headache, stomach discomfort, dizziness, vomiting, and difficulty sleeping.

7. Is Doxofylline 400mg safe for elderly patients?

It may be prescribed for older adults, but dosage and monitoring should be determined by a healthcare professional.

8. Can pregnant or breastfeeding women take Doxofylline?

Use during pregnancy or breastfeeding only if your doctor determines that the benefits outweigh the potential risks.

9. Can I stop taking Doxofylline once I feel better?

No. Continue taking the medicine as prescribed and consult your doctor before stopping treatment.

10. Is Doxofylline 400mg available without a prescription?

No. Doxofylline 400mg is a prescription-only medicine.

11. What is the pack size of Doxofylline 400mg?

DX PHYLLIN 400 is available in a strip containing 10 tablets.

12. Who markets Doxofylline 400mg?

DX PHYLLIN 400 is marketed by Steris Healthcare Pvt Ltd.

Product Information

Product Details Information
Brand Name DX PHYLLIN 400
Composition Doxofylline 400mg
Formulation Tablet
Pack Size Strip of 10 Tablets
Marketed By Steris Healthcare Pvt Ltd
Regulatory Standard WHO-GMP Certified
Schedule Valid Prescription Required (Prescription Only)

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