duolin 3 respules 3ml - Levosalbutamol (1.25mg) + Ipratropium (500mcg) medicine

Duolin 3 Respules 3ml: Complete Medicine Guide

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🏭 Cipla Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 23, 2026
📋 Prescription Required 💊 Generic Available
Medically Reviewed
11 min read
Evidence: Well-established for approved indications.
Reviewed by
SaathiMed Expert Panel | Sep 23, 2026

When to Call Your Doctor IMMEDIATELY

  • Worsening of breathing or paradoxical bronchospasm after use
  • Severe allergic reaction (rash, swelling, difficulty breathing)
  • Chest pain, palpitations, or irregular heartbeat
  • Eye pain, blurred vision, or seeing halos
  • Inability to urinate or painful urination
  • Severe headache or dizziness
  • Muscle weakness or cramps (possible hypokalemia)

If experiencing severe symptoms, call emergency services immediately.

What is duolin 3 respules 3ml used for?

This medicine is a combination inhalation solution containing levosalbutamol and ipratropium, used to treat bronchospasm in asthma and COPD. It works by relaxing airway muscles and reducing mucus secretion, providing relief for up to 6 hours.

  • Generic Name: Levosalbutamol + Ipratropium
  • Manufacturer: Cipla Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 duolin 3 respules 3ml के बारे में (Hindi Summary)

उपयोग: यह दवा लेवोसाल्बुटामोल और आइप्रेट्रोपियम का संयोजन है, जिसका उपयोग नेबुलाइज़र के माध्यम से अस्थमा और सीओपीडी में श्वसन मार्ग के संकुचन को कम करने के लिए किया जाता है। यह सांस लेने में आसानी प्रदान करती है और खांसी, घरघराहट और सीने में जकड़न से राहत देती है।

साइड इफेक्ट्स: सामान्य दुष्प्रभावों में सिरदर्द, कंपन, घबराहट, गले में जलन और खांसी शामिल हैं। गंभीर दुष्प्रभाव दुर्लभ हैं, लेकिन सांस लेने में कठिनाई, एलर्जी, आंखों में दर्द या पेशाब में रुकावट हो सकती है। ऐसे लक्षण दिखने पर तुरंत डॉक्टर से संपर्क करें।

सुरक्षा सलाह: इस दवा का उपयोग केवल डॉक्टर के निर्देशानुसार करें। नेबुलाइज़र का सही तरीके से उपयोग करें और आंखों में दवा जाने से बचें। यदि आपको ग्लूकोमा, प्रोस्टेट की समस्या या पेशाब में रुकावट है, तो डॉक्टर को बताएं। बच्चों की पहुंच से दूर रखें।

💡 Did You Know? India is the largest provider of generic medicines globally, supplying over 50% of global vaccine demand.

💊 duolin 3 respules 3ml Uses & Benefits

[{"condition":"Asthma","description":"Used for bronchodilation in patients with asthma who require combination therapy with a beta-2 agonist and an anticholinergic.","evidence":"Well-established"},{"condition":"Chronic Obstructive Pulmonary Disease (COPD)","description":"Indicated for maintenance treatment of bronchospasm associated with COPD, including chronic bronchitis and emphysema.","evidence":"Well-established"},{"condition":"Acute bronchospasm","description":"May be used in acute exacerbations of asthma or COPD to provide rapid relief of bronchospasm.","evidence":"Well-established"}]

Off-label uses: [{"condition":"Bronchiolitis","description":"Sometimes used off-label in infants with bronchiolitis, though evidence is limited and routine use is not recommended.","evidence":"Limited"}]

Primary treatment for: Asthma and Chronic Obstructive Pulmonary Disease (COPD)

Also treats: Chronic bronchitis, Emphysema, Acute bronchospasm

📋 Drug Information

Generic Name(s)Levosalbutamol + Ipratropium
Brand NameCombimist-L CFC Free Inhaler
ManufacturerCipla Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassRESPIRATORY
Action ClassBronchodilator (Beta-2 agonist + Anticholinergic)
Route of AdministrationInhalation (via nebulizer)
StorageStore respules in the original foil pouch at room temperature (15-30°C). Protect from light and moisture. Do not refrigerate. Once opened, use immediately; discard any unused solution.
Shelf Life24 months from the date of manufacture.
WHO GuidelineNot established from the available information.
ICMR GuidelineNot established from the available information.

👨‍⚕️ Doctor's Practical Tips

Evidence-based practical advice from experienced clinicians

1
Always use a clean nebulizer and follow proper technique to ensure effective delivery.
2
Rinse your mouth after each use to prevent throat irritation and fungal infections.
3
Do not exceed 4 respules in 24 hours unless directed by your doctor.
4
Keep a rescue inhaler (if prescribed) with you for sudden attacks.
5
Inform your doctor if you have heart disease, glaucoma, or prostate problems before using this medicine.
6
Monitor for tremor or palpitations; report if they become bothersome.
7
Store respules in the original foil pouch and use immediately after opening.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

✅
Wheezing
This medicine is commonly prescribed for wheezing due to asthma or COPD.
Likely Use
✅
Shortness of breath
It helps relieve bronchospasm and improve breathing.
Likely Use
❌
Fever
This medicine is not a fever reducer.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionFollowing inhalation via nebulizer, levosalbutamol and ipratropium are absorbed systemically to some extent from the lungs and gastrointestinal tract. Systemic absorption of ipratropium is low (approximately 7% of an inhaled dose).
DistributionLevosalbutamol distributes widely into body tissues, including the lungs. Ipratropium has low plasma protein binding and does not readily cross the blood-brain barrier due to its quaternary ammonium structure.
Protein BindingLevosalbutamol: approximately 10% bound to plasma proteins. Ipratropium: less than 20% bound to plasma proteins.
MetabolismLevosalbutamol is metabolized in the liver primarily by sulfation to inactive conjugates. Ipratropium is minimally metabolized; the small fraction absorbed systemically undergoes some hepatic metabolism.
Half-LifeLevosalbutamol: approximately 3-4 hours. Ipratropium: approximately 1.5-2 hours.
ExcretionLevosalbutamol and its metabolites are excreted primarily in urine. Ipratropium is excreted mainly unchanged in feces, with a smaller fraction in urine.
BioavailabilitySystemic bioavailability following inhalation is low for both agents; for ipratropium, it is estimated at less than 10%.
Onset of ActionBronchodilation typically begins within 5-15 minutes after nebulization.
Peak Plasma TimePeak plasma concentrations for levosalbutamol are reached within 30 minutes to 2 hours; for ipratropium, peak levels occur within 1-2 hours.
Duration of ActionBronchodilation lasts for approximately 4-6 hours, allowing dosing every 4-6 hours as needed.

How It Works

This medicine combines two bronchodilators with complementary mechanisms. Levosalbutamol, the active enantiomer of salbutamol, selectively stimulates beta-2 adrenergic receptors on airway smooth muscle, leading to relaxation and bronchodilation. Ipratropium bromide is a quaternary ammonium anticholinergic that inhibits muscarinic acetylcholine receptors, reducing vagal tone and preventing bronchoconstriction and mucus hypersecretion. The combination provides additive bronchodilation.

Mechanism Steps

1
Beta-2 receptor activation: Levosalbutamol binds to beta-2 adrenergic receptors on airway smooth muscle cells, activating adenylate cyclase and increasing cyclic AMP levels.
2
Smooth muscle relaxation: Increased cyclic AMP leads to phosphorylation of proteins that reduce intracellular calcium, causing relaxation of bronchial smooth muscle.
3
Muscarinic receptor blockade: Ipratropium competitively inhibits acetylcholine at muscarinic receptors on airway smooth muscle and submucosal glands.
4
Reduced bronchoconstriction and secretions: Blockade of muscarinic receptors prevents vagally mediated bronchoconstriction and decreases mucus secretion, contributing to improved airway patency.

💡 How to Take duolin 3 respules 3ml

Strength: Each 3 mL respule contains levosalbutamol 1.25 mg and ipratropium bromide 500 mcg.

1Wash your hands thoroughly before handling the respule.
2Remove the respule from the foil pouch and twist off the top.
3Squeeze the contents into the nebulizer chamber.
4Connect the nebulizer to the compressor and mouthpiece or mask.
5Sit upright and breathe calmly through the mouthpiece until all mist is gone.
6Rinse your mouth with water after use to prevent throat irritation.
7Clean the nebulizer according to the manufacturer's instructions.

Dosage Information

Adult DosageThe usual adult dose is one 3 mL respule nebulized every 4 to 6 hours as needed, up to a maximum of 4 times in 24 hours. The dose may be adjusted by your doctor based on your condition and response. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician.
Elderly DosageElderly patients may be more sensitive to the effects of this medicine. Use with caution and monitor for cardiovascular and anticholinergic effects. Dose adjustment may be necessary based on renal and hepatic function.
Renal ImpairmentUse with caution in patients with renal impairment. Dose adjustment may be required. Consult your doctor.
Hepatic ImpairmentUse with caution in patients with hepatic impairment. Dose adjustment may be required. Consult your doctor.
Maximum Daily DoseMaximum daily dose is 4 respules (each 3 mL) in 24 hours, unless otherwise directed by a physician.

Dosage Timeline

🌅 Morning ❌ ☀️ Afternoon ❌ 🌆 Evening ❌ 🌙 Night ❌

🍽️ Food Timing Guide

No specific food restrictions
Take as prescribed
This medicine is inhaled, so food does not affect its absorption.

⏰ What to Do If You Miss a Dose

📌 Less than half the dosing interval has passed
→ Take the missed dose as soon as you remember.
💡 Continue with the regular schedule.
📌 More than half the dosing interval has passed
→ Skip the missed dose.
💡 Do not double dose to catch up.

⚠️ Side Effects of duolin 3 respules 3ml

✅ Common Side Effects

Headache (Common (5-10%))
Usually resolves on its own. Consult doctor if persistent or severe.
Tremor (Common (5-10%))
Typically transient. Avoid caffeine. Consult doctor if bothersome.
Nervousness (Common (5-10%))
May diminish with continued use. Report if severe.
Throat irritation (Common (5-10%))
Rinse mouth after use. Consult doctor if persists.
Cough (Common (5-10%))
Usually temporary. Report if worsening.

🚨 Serious Side Effects

Paradoxical bronchospasm (Rare (<0.1%))
Stop use immediately and seek emergency medical help if breathing worsens after use.
Anaphylaxis (Rare (<0.1%))
Seek immediate emergency care for rash, swelling, or difficulty breathing.
Acute narrow-angle glaucoma (Rare (<0.1%))
Seek urgent ophthalmologic care if eye pain, blurred vision, or halos occur.
Urinary retention (Rare (<0.1%))
Consult doctor if unable to urinate or experiencing painful urination.
Cardiac arrhythmias (Rare (<0.1%))
Seek medical attention for palpitations, chest pain, or fainting.

⚠️ Rare Side Effects

Hypokalemia
Monitor potassium if on high doses or other risk factors. Report muscle weakness.
Hyperglycemia
Monitor blood glucose if diabetic. Report increased thirst or urination.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Tiotropium Major
Propranolol Major
Furosemide Moderate
Prednisone Moderate
Digoxin Moderate
Amitriptyline Major
Phenelzine Major
Hydrochlorothiazide Moderate
Oxybutynin Major
Metoprolol Moderate

🚨 Major Interactions

  • Other anticholinergic drugs (e.g., tiotropium, oxybutynin)
  • Beta-blockers (non-selective)
  • Monoamine oxidase inhibitors (MAOIs) and tricyclic antidepressants

⚡ Moderate Interactions

  • Diuretics (loop or thiazide)
  • Corticosteroids (systemic)
  • Digoxin

🍷 Alcohol Interaction

Alcohol may increase the risk of dizziness, drowsiness, or cardiovascular effects. It is advisable to limit or avoid alcohol while using this medicine.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Hypersensitivity to levosalbutamol, ipratropium, atropine, or any component of the formulation","Hypersensitivity to soya lecithin or related food products (if applicable to specific formulation)"]

⚠️ Warnings & Precautions

["Paradoxical bronchospasm: If it occurs, discontinue immediately and use alternative therapy.","Cardiovascular effects: Use with caution in patients with cardiac disorders, hypertension, or arrhythmias.","Hypokalemia: May occur with high doses; monitor potassium.","Hyperglycemia: May occur in diabetic patients; monitor blood glucose.","Anticholinergic effects: Use with caution in patients with narrow-angle glaucoma, prostatic hyperplasia, or bladder neck obstruction.","Ocular exposure: Avoid contact with eyes; may cause blurred vision, mydriasis, or acute glaucoma.","Renal impairment: Use with caution; dose adjustment may be needed.","Hepatic impairment: Use with caution; dose adjustment may be needed."]

🤱 Lactation Safety

It is not known whether levosalbutamol or ipratropium are excreted in human milk. Caution is advised when used by breastfeeding mothers. Consult your doctor.

💊 Overdose Management

Overdose may cause tachycardia, tremor, palpitations, hypertension, and hypokalemia. Treatment is supportive and symptomatic. Discontinue the medicine and seek immediate medical attention. Monitor cardiac function and electrolytes.

⏰ Missed Dose

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double the dose to catch up.

Additional Safety Advice

General Safety

Use this medicine only as prescribed by your doctor. Do not exceed the recommended dose or frequency. Ensure proper technique with the nebulizer to avoid eye contact with the mist, as ipratropium can cause pupil dilation and blurred vision if it enters the eyes. Avoid spraying near the eyes. If you have a history of glaucoma, prostate enlargement, or urinary retention, inform your doctor before use. Do not use this medicine if you are allergic to levosalbutamol, ipratropium, or atropine. Keep out of reach of children. Store respules in the foil pouch until use. Do not use if the solution is discolored or contains particles.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients may be more susceptible to anticholinergic effects such as urinary retention, constipation, and confusion. Monitor closely and adjust dose as needed.

🤰 Pregnancy Planning (TTC)

Consult your doctor before planning pregnancy. The safety of this medicine during pregnancy is not fully established. Use only if clearly needed.

🏥 Post-Surgery Considerations

Inform your surgeon and anesthesiologist about this medicine. It may interact with anesthetic agents and affect heart rate and blood pressure.

🦷 Dental Procedures

Inform your dentist about this medicine. It may cause dry mouth, which can affect dental health. Maintain good oral hygiene.

💚 Lifestyle Tips for Better Results

🏃
Avoid smoking and exposure to secondhand smoke.
🥗
Use a humidifier to keep airways moist.
😴
Practice breathing exercises as advised by your doctor.
💧
Maintain a healthy weight to reduce strain on breathing.
🧘
Get vaccinated against influenza and pneumonia.
🌞
Avoid known allergens and pollutants.

🏋️ Exercise Considerations

Exercise may trigger bronchospasm. Use this medicine before exercise if prescribed. Warm up gradually and avoid exercising in cold, dry air.

🥗 Diet Recommendations

Stay well hydrated.
Include fruits and vegetables rich in antioxidants.
Limit processed foods and excess salt.
Avoid foods that trigger allergies.

💼 Impact on Daily Work & Life

This medicine may cause dizziness or blurred vision. Avoid driving or operating heavy machinery until you know how it affects you. It should not interfere with most work activities once you are accustomed to it.

🛑 When to Stop This Medicine

Do not stop this medicine without consulting your doctor. If you experience serious side effects, seek medical advice immediately. Your doctor may adjust or discontinue based on your condition.

📅 Long-Term Use Effects

Long-term use of this medicine is generally safe when used as prescribed. Regular monitoring of heart rate, potassium levels, and ocular symptoms is advised. Prolonged high-dose use may increase the risk of cardiovascular effects and hypokalemia. Periodic review by your doctor is recommended.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Inhaled corticosteroids

May be used as controller therapy for asthma.

Evidence: Well-established
Long-acting beta-agonists (LABAs)

Alternative bronchodilators for maintenance.

Evidence: Well-established

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

Ensure you are up to date with influenza and pneumococcal vaccinations to prevent respiratory infections that can worsen asthma or COPD.

📦 Storage Guide

✅ DO

Store at room temperature (15-30°C)

❌ DON'T

Do not refrigerate

✅ DO

Keep in original foil pouch until use

❌ DON'T

Do not transfer to unmarked containers

✅ DO

Protect from light and moisture

❌ DON'T

Do not store in bathroom cabinet

✈️ Traveling with This Medicine

Carry this medicine in its original packaging with a copy of your prescription. Keep it in hand luggage if traveling by air. Store at room temperature and protect from light. If crossing time zones, adjust dosing intervals as advised by your doctor. Check customs regulations for carrying prescription medications.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 58-year-old man with COPD
He was prescribed this medicine for daily nebulization. After using it regularly, he noticed significant improvement in his breathing and could walk longer distances without getting breathless. He learned to rinse his mouth after each use to avoid throat irritation.
💡 Lesson: Consistent use as prescribed and proper technique improve outcomes.
👤 A 35-year-old woman with asthma
She used this medicine during asthma exacerbations. She initially experienced tremors, which subsided after a few days. Her doctor adjusted the frequency, and she now uses it only when needed, with good control.
💡 Lesson: Side effects like tremor are often temporary; communicate with your doctor for dose adjustments.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: Bronchodilation typically begins within 5-15 minutes after nebulization and lasts for 4-6 hours.

Q: Can I use it more than 4 times a day?

A: Do not exceed 4 respules in 24 hours unless your doctor advises otherwise.

Q: Is it safe during pregnancy?

A: Consult your doctor. Use only if clearly needed and prescribed.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I take this medicine long-term?
  • Will it affect my heart?
  • Can I drive after taking this medicine?
  • Does it interact with my blood pressure medicine?
  • What if I miss a dose?
  • Can I drink alcohol while taking this?

🔄 Substitutes for duolin 3 respules 3ml

View All

Alternative brands with exact same active ingredient:

Medical Note: Always consult your doctor before switching medications.

🛑 Myths vs. Facts

  • Myth: This medicine can be used as a rescue inhaler for sudden attacks.
    Fact: This medicine is for nebulization and may not be suitable for immediate relief without a nebulizer. Always follow your doctor's advice.
  • Myth: Using this medicine regularly will make it less effective over time.
    Fact: When used as prescribed, it remains effective. Do not increase the dose without consulting your doctor.

🔄 Alternative Options

Generic Alternatives

  • Levosalbutamol + Ipratropium respules (generic)

Brand Alternatives

  • Duolin 3 Respules 3ml

📊 Comparison with Similar Medicines

[{"medicine":"Levosalbutamol + Ipratropium","composition":"Levosalbutamol 1.25mg + Ipratropium 500mcg","onset":"5-15 min","duration":"4-6 hours"},{"medicine":"Salbutamol + Ipratropium","composition":"Salbutamol 2.5mg + Ipratropium 500mcg","onset":"5-15 min","duration":"4-6 hours"}]

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