Description
Product Description
Duolin 3 Respules 3 ml contains two bronchodilators: Levosalbutamol 1.25 mg and Ipratropium Bromide 500 mcg. Cipla Ltd. manufactures the product, which is supplied in single-use respules intended for administration through a nebulizer. Current Indian listings show a commonly available pack containing 5 respules.
The combination brings together two different mechanisms for widening narrowed airways. Levosalbutamol stimulates beta-2 receptors in the airway muscles, helping them relax, while Ipratropium reduces cholinergic signals that can cause airway tightening. Together, they can improve airflow and make breathing easier in conditions where reversible bronchoconstriction contributes to symptoms.
Uses
- Relief of breathing difficulty associated with chronic obstructive pulmonary disease (COPD).
- Helps reduce wheezing and chest tightness caused by narrowed airways.
- Helps relieve coughing associated with bronchospasm.
- May be prescribed when combined bronchodilator therapy is considered appropriate for airway obstruction.
- Use in asthma or other respiratory conditions should be based on your doctor’s assessment.
Key Benefits
- Contains two bronchodilators with complementary actions.
- Levosalbutamol helps relax airway muscles and improve airflow.
- Ipratropium helps reduce airway narrowing through anticholinergic action.
- Supplied in pre-measured respules designed for nebulizer use.
- The combination can provide broader bronchodilator action than either ingredient alone in selected patients.
How to Use
- Use Duolin 3 Respules exactly as prescribed by your doctor.
- Use the respule only with a suitable nebulizer or nebulization system as directed.
- Open the respule immediately before use and empty its contents into the nebulizer chamber.
- Sit upright and breathe through the mouthpiece or mask as instructed during nebulization.
- Do not swallow the solution or use it as ordinary oral medicine.
- Do not reuse a partially used respule.
- Keep the nebulizer equipment clean and follow the manufacturer’s cleaning instructions.
- Avoid allowing the mist or solution to enter the eyes, particularly when using a face mask.
How It Works
Duolin 3 Respules improves airflow by acting on the two major pathways involved in airway narrowing. Levosalbutamol activates beta-2 receptors on airway smooth muscle, causing the muscles around the bronchial passages to relax. Ipratropium blocks muscarinic receptors and reduces parasympathetic signals that promote bronchial constriction and secretion. The combined effect is relaxation of the airways and easier movement of air into and out of the lungs.
Side Effects
- Dry mouth.
- Headache.
- Tremor or shakiness.
- Cough or throat irritation.
- Nausea.
- Vomiting.
- Constipation or diarrhoea.
- Dizziness.
- Palpitations or a faster heartbeat.
- Throat irritation after nebulization.
Seek urgent medical attention if breathing suddenly becomes worse immediately after inhalation, or if you develop severe chest pain, fainting or a significant allergic reaction.
Precautions & Warnings
- Do not allow Duolin nebulizer solution to enter the eyes. Ipratropium can cause eye problems, including worsening of narrow-angle glaucoma, if the aerosol reaches the eyes. Use particular care with a face mask and seek prompt medical attention for eye pain, redness, blurred vision or seeing halos.
- Duolin can cause tremor, palpitations or changes in heart rate. Tell your doctor if you have heart disease, an abnormal heart rhythm or high blood pressure.
- Inform your doctor if you have glaucoma, difficulty passing urine or prostate enlargement.
- Tell your doctor if you have diabetes or thyroid disease because beta-agonist medicines may affect blood glucose and cardiovascular responses.
- Use caution if you have a history of low potassium levels or are taking medicines that can lower potassium.
- Do not use additional bronchodilator medicines unless your doctor has advised you to do so.
- Tell your doctor about all inhalers, medicines and supplements you use to help identify possible interactions.
- Consult your doctor before using Duolin during pregnancy or breastfeeding.
- This medicine does not replace emergency treatment for severe breathing distress unless your doctor has specifically included it in your emergency plan.
- Seek medical advice if breathing symptoms remain poorly controlled, become more frequent or require increasingly frequent rescue treatment.
Storage Instructions
- Store below 25°C unless the product label specifies otherwise.
- Keep unused respules in their original packaging.
- Protect them from excessive heat and direct sunlight.
- Do not use a respule if it is damaged, leaking or the solution appears abnormal.
- Use the respule soon after opening and discard any unused portion.
- Keep out of reach and sight of children.
FAQs
Q: What is Duolin 3 Respules used for?
A: Duolin 3 Respules is mainly used to relieve breathing difficulty, wheezing and other symptoms associated with COPD by widening the airways.
Q: What does Duolin 3 Respules contain?
A: Each 3 ml respule contains Levosalbutamol 1.25 mg and Ipratropium Bromide 500 mcg.
Q: How is Duolin 3 Respules administered?
A: It is administered through a nebulizer. Use the entire respule as directed by your doctor and do not swallow the solution.
Q: Can Duolin 3 Respules cause a fast heartbeat?
A: Yes. Palpitations or an increased heart rate can occur because of the bronchodilator component. Tell your doctor if this is persistent, severe or associated with chest pain or dizziness.
Q: Can Duolin 3 Respules be used in glaucoma?
A: It requires particular caution in glaucoma, and the nebulized medicine should be kept out of the eyes. Tell your doctor if you have glaucoma before using it.
Q: Who manufactures Duolin 3 Respules?
A: Duolin 3 Respules is manufactured and marketed by Cipla Ltd.







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