megavent tablet - Salbutamol (2mg) + Etofylline (8mg) medicine

Eto Salbetol Tablet: Complete Guide to Uses, Dosage, and Safety

No reviews yet
🏭 Omega Remedies Pvt Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Oct 21, 2026
📋 Prescription Required 💊 Generic Available
Medically Reviewed
11 min read
Evidence: Established for the combination in obstructive airway diseases.
Reviewed by
SaathiMed Expert Panel | Oct 21, 2026
🩺
Medically Fact-Checked & Clinically Verified by SaathiMed Clinical Review Board
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026

When to Call Your Doctor IMMEDIATELY

  • Severe allergic reaction: rash, itching, swelling of face, lips, tongue, or throat, difficulty breathing.
  • Chest pain or irregular heartbeat.
  • Paradoxical bronchospasm: worsening of breathing after taking the medicine.
  • Severe muscle weakness or cramps (possible hypokalemia).
  • Seizures or severe headache.
  • Signs of high blood sugar: excessive thirst, frequent urination, confusion.

If experiencing severe symptoms, call emergency services immediately.

What is megavent tablet used for?

This medicine is a combination of salbutamol and etofylline used to treat asthma and COPD. It works by relaxing the muscles in the airways to make breathing easier. It is taken orally as a tablet, usually 2-3 times a day. It is not for immediate relief of an acute attack.

  • Generic Name: Salbutamol (2mg) + Etofylline (8mg)
  • Manufacturer: Omega Remedies Pvt Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 megavent tablet के बारे में (Hindi Summary)

उपयोग: यह दवा सलबुटामोल और एटोफाइलिन का संयोजन है, जिसका उपयोग अस्थमा और क्रोनिक ऑब्सट्रक्टिव पल्मोनरी डिजीज (सीओपीडी) के इलाज के लिए किया जाता है। यह श्वसन मार्ग की मांसपेशियों को आराम देकर सांस लेने में आसानी करती है। यह मुंह से ली जाने वाली गोली है और आमतौर पर दिन में 2-3 बार ली जाती है। यह तीव्र अस्थमा हमले के तत्काल राहत के लिए नहीं है। इसका उपयोग डॉक्टर की सलाह के बिना न करें।

साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में सिरदर्द, मतली, उल्टी, पेट की गड़बड़ी, बेचैनी, घबराहट, हाथ कांपना, धड़कन तेज होना और मांसपेशियों में ऐंठन शामिल हैं। ये आमतौर पर हल्के होते हैं और कुछ समय में ठीक हो जाते हैं। गंभीर दुष्प्रभाव दुर्लभ हैं, लेकिन यदि आपको गंभीर एलर्जी, सीने में दर्द, अनियमित धड़कन या सांस लेने में कठिनाई हो, तो तुरंत डॉक्टर से संपर्क करें।

सुरक्षा सलाह: इस दवा को अपने डॉक्टर के निर्देशानुसार ही लें। खुराक को बदलें या बंद करने से पहले डॉक्टर से सलाह लें। तीव्र अस्थमा हमले के लिए यह दवा नहीं है; आपात स्थिति के लिए हमेशा एक तेज काम करने वाला इनहेलर साथ रखें। यदि आपको हृदय रोग, उच्च रक्तचाप, मधुमेह, थायरॉइड या दौरे की समस्या है, तो डॉक्टर को बताएं। गर्भावस्था या स्तनपान के दौरान डॉक्टर से परामर्श करें। शराब का सेवन न करें। दवा को 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.

💊 megavent tablet Uses & Benefits

[{"condition":"Asthma","description":"Used for the relief and prevention of bronchospasm in patients with reversible obstructive airway disease, including asthma.","evidence":"Well-established"},{"condition":"Chronic Obstructive Pulmonary Disease (COPD)","description":"Helps to relieve bronchospasm and improve breathing in patients with COPD, including chronic bronchitis and emphysema.","evidence":"Well-established"},{"condition":"Bronchospasm","description":"Used to treat bronchospasm associated with other respiratory conditions as determined by a physician.","evidence":"Established"}]

Off-label uses: []

Primary treatment for: Asthma

Also treats: Chronic Obstructive Pulmonary Disease (COPD), Chronic bronchitis, Emphysema

📋 Drug Information

Generic Name(s)Salbutamol (2mg) + Etofylline (8mg)
Brand Namemegavent tablet
ManufacturerOmega Remedies Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassRESPIRATORY
Action Class
Route of AdministrationOral
StorageStore at room temperature (15-30°C) in a dry place, away from direct sunlight and moisture. Keep out of reach of children.
Shelf Life24 months from the date of manufacture, or as indicated on the packaging.
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
Take this medicine exactly as prescribed by your doctor. Do not change the dose without consulting.
2
This medicine is not for immediate relief of an acute asthma attack. Always carry a fast-acting inhaler for emergencies.
3
Take this medicine with food to reduce the risk of stomach upset.
4
Avoid alcohol while taking this medicine as it can increase drowsiness and heart rate.
5
Inform your doctor if you have heart disease, high blood pressure, diabetes, or thyroid problems before taking this medicine.
6
Do not stop taking this medicine suddenly without your doctor's advice, as it may worsen your symptoms.
7
Report any unusual symptoms such as severe palpitations, chest pain, or muscle weakness to your doctor immediately.

🔍 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
Helps relieve shortness of breath associated with bronchospasm.
Likely Use
❌
Fever
This medicine is not a primary fever reducer.
Not Primary
✅
Chest tightness
Can help relieve chest tightness due to airway constriction.
Likely Use

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionSalbutamol is well absorbed from the gastrointestinal tract after oral administration. Etofylline is also absorbed from the gastrointestinal tract. However, oral bioavailability of salbutamol is reduced due to first-pass metabolism in the liver. The exact pharmacokinetic parameters for the combination tablet are not established from the available information.
DistributionSalbutamol is widely distributed throughout the body, including the lungs, and crosses the placenta. It is also excreted in breast milk. Etofylline is distributed into body tissues and fluids. Protein binding information for etofylline is not established from the available information.
Protein BindingSalbutamol is approximately 10% bound to plasma proteins. Protein binding of etofylline is not established from the available information.
MetabolismSalbutamol is metabolized in the liver, primarily by conjugation to inactive sulfate esters. Etofylline is metabolized in the liver, but the exact metabolic pathways are not fully established from the available information.
Half-LifeThe elimination half-life of salbutamol is approximately 4 to 6 hours. The elimination half-life of etofylline is not established from the available information.
ExcretionSalbutamol and its metabolites are excreted primarily in the urine, with a small amount in the feces. Etofylline is excreted in the urine as metabolites. The exact excretion profile of the combination is not established from the available information.
BioavailabilityThe oral bioavailability of salbutamol is approximately 40% due to first-pass metabolism. The bioavailability of etofylline from this combination is not established from the available information.
Onset of ActionThe onset of action for the bronchodilator effect after oral administration is typically within 30 minutes to 1 hour, but this may vary. For acute symptom relief, inhaled therapy is preferred due to faster onset.
Peak Plasma TimePeak plasma concentrations of salbutamol after oral administration are reached in about 2 to 4 hours. The peak plasma time for etofylline is not established from the available information.
Duration of ActionThe duration of action of this medicine is typically 4 to 6 hours, but this can vary depending on individual factors. It is usually taken 2 to 3 times a day as prescribed.

How It Works

This medicine combines two active ingredients with complementary mechanisms. Salbutamol is a selective beta-2 adrenergic receptor agonist. It works by stimulating beta-2 receptors in the smooth muscles of the airways, which leads to relaxation of the bronchial muscles and widening of the airways (bronchodilation). Etofylline is a xanthine derivative. It inhibits phosphodiesterase enzymes, leading to an increase in cyclic AMP (cAMP) levels in the cells. This results in relaxation of bronchial smooth muscle and improved airflow. Additionally, etofylline may stimulate the respiratory center and improve diaphragm contractility. Together, these actions help to relieve and prevent symptoms of asthma and other obstructive airway diseases.

Mechanism Steps

1
Salbutamol binds to beta-2 receptors: Salbutamol selectively binds to beta-2 adrenergic receptors located on the smooth muscle cells of the airways.
2
Activation of intracellular signaling: Binding of salbutamol activates adenylate cyclase, which increases the production of cyclic AMP (cAMP) inside the cells.
3
Relaxation of bronchial smooth muscle: Increased cAMP leads to relaxation of the smooth muscles lining the airways, causing them to widen and allowing more air to pass through.
4
Etofylline inhibits phosphodiesterase: Etofylline inhibits the enzyme phosphodiesterase, which normally breaks down cAMP. This leads to even higher levels of cAMP in the cells.
5
Enhanced bronchodilation: The combined effect of increased cAMP from both salbutamol and etofylline results in more pronounced and sustained relaxation of the airway smooth muscles.

💡 How to Take megavent tablet

Strength: Each immediate-release tablet contains Salbutamol 2 mg and Etofylline 8 mg.

1Take this medicine orally with a glass of water.
2It can be taken with or without food, but taking it with food may reduce stomach upset.
3Swallow the tablet whole. Do not crush, chew, or break it unless instructed by your doctor.
4Take it at the same times each day to maintain consistent levels in your body.
5Do not take more than the prescribed dose.
6If you miss a dose, follow the missed dose instructions.
7Keep a record of your doses and symptoms to discuss with your doctor.

Dosage Information

Adult DosageThe usual adult dose of this medicine is one tablet taken orally two to three times a day, or as directed by your physician. The dose may be adjusted based on your condition and response to treatment. Do not exceed the recommended dose. 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, especially cardiac effects. Use with caution and dose adjustment may be necessary. Consult your doctor.
Renal ImpairmentDose adjustment may be necessary in patients with renal impairment. Consult your doctor for individualized dosing.
Hepatic ImpairmentDose adjustment may be necessary in patients with hepatic impairment. Consult your doctor for individualized dosing.
Maximum Daily DoseThe maximum daily dose should not exceed the prescribed amount. Typically, the maximum adult dose is 2 tablets three times a day, but this must be confirmed by your doctor. Do not exceed the recommended dose.

Dosage Timeline

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

🍽️ Food Timing Guide

With food
Take with meals
Reduces stomach upset.
Caffeine
Limit
May increase nervousness and palpitations.

⏰ 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 megavent tablet

✅ Common Side Effects

Headache (Common (5-10%))
Usually resolves on its own. If persistent or severe, consult your doctor.
Nausea (Common (5-10%))
Take with food to reduce nausea. If it continues, talk to your doctor.
Tremor (shaking of hands) (Common (5-10%))
This is often dose-related and may decrease with continued use. Report to your doctor if it interferes with daily activities.
Palpitations (fast heartbeat) (Common (5-10%))
If you experience a persistently fast or irregular heartbeat, contact your doctor.
Restlessness (Common (5-10%))
Usually temporary. If it persists, consult your doctor.
Muscle cramps (Uncommon (1-5%))
Stay hydrated and report to your doctor if cramps are severe or persistent.

🚨 Serious Side Effects

Severe allergic reaction (anaphylaxis) (Rare (<0.1%))
Seek immediate medical attention if you experience rash, itching, swelling of face, lips, tongue, or throat, or difficulty breathing.
Paradoxical bronchospasm (Rare (<0.1%))
If your breathing worsens after taking this medicine, stop it and seek immediate medical help.
Cardiac arrhythmias (Rare (<0.1%))
Seek immediate medical attention if you experience chest pain, palpitations, or fainting.
Hypokalemia (low potassium) (Rare (<0.1%))
Report muscle weakness, cramps, or abnormal heart rhythms to your doctor promptly.

⚠️ Rare Side Effects

Hyperglycemia (high blood sugar)
Monitor blood sugar if you are diabetic. Report any unusual thirst or frequent urination to your doctor.
Hypersensitivity reactions such as angioedema
Seek immediate medical attention if you notice swelling of the face, lips, or throat.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Propranolol Major
MAOIs Major
Theophylline Major
Furosemide Moderate
Prednisolone Moderate
Digoxin Moderate
Antacids Minor
Caffeine Minor

🚨 Major Interactions

  • Non-selective beta-blockers (e.g., propranolol)
  • Monoamine oxidase inhibitors (MAOIs) and tricyclic antidepressants
  • Other xanthine derivatives (e.g., theophylline, aminophylline)

⚡ Moderate Interactions

  • Diuretics (e.g., furosemide, thiazides)
  • Corticosteroids
  • Digoxin

🍷 Alcohol Interaction

Alcohol may increase the risk of drowsiness, dizziness, and cardiovascular side effects such as palpitations. It is advisable to avoid alcohol while taking this medicine.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Hypersensitivity to salbutamol, etofylline, or any component of the formulation","Severe cardiac disease, including arrhythmias","Hyperthyroidism","Severe hypertension","Acute porphyria"]

⚠️ Warnings & Precautions

["This medicine should not be used for the immediate relief of acute asthma attacks. A fast-acting inhaled bronchodilator should be used for acute symptoms.","Use with caution in patients with cardiovascular disorders, including coronary insufficiency, cardiac arrhythmias, and hypertension.","Use with caution in patients with diabetes mellitus, as salbutamol may cause hyperglycemia.","Use with caution in patients with hyperthyroidism, as it may exacerbate symptoms.","Use with caution in patients with a history of seizures.","Potentially serious hypokalemia may result from beta-2 agonist therapy, especially with high doses or concomitant use of xanthine derivatives, steroids, or diuretics.","Do not exceed the recommended dose. If symptoms persist or worsen, seek medical advice.","Avoid abrupt withdrawal of this medicine, as it may worsen symptoms."]

🤱 Lactation Safety

Salbutamol is excreted in human breast milk. It is not known whether etofylline is excreted in breast milk. Caution should be exercised when this medicine is administered to a nursing woman. Consult your doctor before breastfeeding.

💊 Overdose Management

Overdose may cause symptoms such as severe palpitations, chest pain, tremor, restlessness, seizures, and hypokalemia. In case of overdose, seek immediate medical attention. Treatment is supportive and symptomatic. Monitor cardiac and respiratory function, serum potassium, and blood glucose. There is no specific antidote.

⏰ 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

Take this medicine exactly as prescribed by your doctor. Do not change the dose or stop taking it without consulting your doctor. This medicine is not for immediate relief of an acute asthma attack; always keep a fast-acting inhaler with you for emergencies. Inform your doctor if you have heart disease, high blood pressure, diabetes, thyroid problems, or seizures. Avoid drinking alcohol while taking this medicine as it may increase drowsiness and heart rate. If you are pregnant, planning to become pregnant, or breastfeeding, consult your doctor before taking this medicine. Do not drive or operate heavy machinery until you know how this medicine affects you. Keep this medicine out of reach of children. Store it at room temperature, away from moisture and direct sunlight. Do not use it after the expiry date.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients may be more sensitive to the cardiac effects of this medicine. Use with caution and monitor heart rate and blood pressure regularly. Dose adjustment may be necessary.

🤰 Pregnancy Planning (TTC)

If you are planning to become pregnant, consult your doctor before taking this medicine. The safety of this medicine during pregnancy is not fully established. Your doctor will weigh the benefits and risks.

🏥 Post-Surgery Considerations

Inform your surgeon and anesthesiologist that you are taking this medicine. It may interact with certain anesthetic agents and affect heart rate. Your doctor may advise temporary discontinuation or dose adjustment.

🦷 Dental Procedures

Inform your dentist that you are taking this medicine. It may cause dry mouth or interact with certain dental anesthetics. No major precautions are typically needed, but consult your doctor if you have concerns.

💚 Lifestyle Tips for Better Results

🏃
Avoid triggers such as smoke, dust, and allergens.
🥗
Maintain a healthy weight to reduce strain on your lungs.
😴
Practice breathing exercises and pursed-lip breathing.
💧
Get regular exercise as tolerated, but avoid exercising in cold, dry air.
🧘
Stay up to date with vaccinations, including flu and pneumonia vaccines.
🌞
Get adequate sleep and manage stress.

🏋️ Exercise Considerations

Exercise may be beneficial, but avoid strenuous activity in cold or polluted air. Use your rescue inhaler before exercise if advised by your doctor. Stop and rest if you experience shortness of breath, chest pain, or dizziness.

🥗 Diet Recommendations

Eat a balanced diet rich in fruits and vegetables.
Include omega-3 fatty acids from fish or flaxseed.
Limit processed foods and excess salt.
Stay well hydrated.
Avoid foods that trigger your allergies.

💼 Impact on Daily Work & Life

This medicine may cause dizziness, tremor, or palpitations, which can affect your ability to drive or operate machinery. Avoid these activities until you know how the medicine affects you. It is generally safe to continue your daily activities, but take precautions as needed.

🛑 When to Stop This Medicine

Do not stop taking this medicine without consulting your doctor. If you experience severe side effects or your condition worsens, contact your doctor immediately. Your doctor will decide if and when to stop the medicine.

📅 Long-Term Use Effects

Long-term use of this medicine may lead to tolerance, reduced effectiveness, and increased risk of side effects such as tremors, palpitations, and hypokalemia. Regular monitoring of heart rate, blood pressure, potassium levels, and respiratory function is recommended. Your doctor may adjust the dose or add other medications as needed. Do not use for prolonged periods without medical supervision.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Inhaled bronchodilators

Inhaled salbutamol provides faster relief with fewer systemic side effects and is preferred for acute symptoms.

Evidence: Well-established
Inhaled corticosteroids

Used as controller therapy for asthma to reduce airway inflammation.

Evidence: Well-established
Pulmonary rehabilitation

Exercise and education program for COPD patients to improve quality of life.

Evidence: Well-established

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

Patients with asthma or COPD should receive annual influenza vaccination and pneumococcal vaccination as per guidelines. This medicine does not interact with vaccines, but consult your doctor for timing.

📦 Storage Guide

✅ DO

Store at room temperature (15-30°C)

❌ DON'T

Do not refrigerate unless specified

✅ DO

Keep in original container

❌ DON'T

Do not transfer to unmarked containers

✅ DO

Keep away from direct sunlight

❌ DON'T

Do not store in bathroom cabinet

✈️ Traveling with This Medicine

When traveling, carry your medicine in its original packaging with a copy of your prescription. Keep it in your carry-on luggage to avoid loss. Store at room temperature and protect from extreme heat or cold. If crossing time zones, adjust dosing times gradually as advised by your doctor. Check customs regulations for carrying prescription medicines.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 35-year-old man with asthma
He was prescribed this medicine for his asthma symptoms. He took it regularly as directed and noticed fewer episodes of wheezing and shortness of breath. He also learned to use his inhaler for acute attacks. He experienced mild hand tremors initially, which decreased over time.
💡 Lesson: Regular use of controller medication and keeping a rescue inhaler handy can significantly improve asthma control.
👤 A 60-year-old woman with COPD
She started this medicine along with other treatments for COPD. She found it easier to breathe during daily activities. She was advised to monitor her heart rate and report any palpitations. She also quit smoking and started pulmonary rehabilitation.
💡 Lesson: Combining medication with lifestyle changes like smoking cessation and exercise can enhance overall lung health.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: This medicine usually starts to work within 30 to 60 minutes after taking a dose, but the full effect may take a few hours. For acute symptoms, a fast-acting inhaler works faster.

Q: Can I take this medicine if I have diabetes?

A: Salbutamol can increase blood sugar levels. If you have diabetes, monitor your blood sugar closely and inform your doctor. Dose adjustment of diabetes medicines may be needed.

Q: Is it safe to take this medicine during pregnancy?

A: Consult your doctor. This medicine should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.

Q: Can I stop taking this medicine when I feel better?

A: Do not stop without consulting your doctor. Stopping suddenly may cause your symptoms to worsen. Your doctor will advise you on the appropriate duration of treatment.

🤔 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 megavent tablet

View All

Alternative brands with exact same active ingredient:

Medical Note: Always consult your doctor before switching medications.

🛑 Myths vs. Facts

  • Myth: Eto salbetol can be used for immediate relief of asthma attacks.
    Fact: This medicine is not for immediate relief. A fast-acting inhaler should be used for acute attacks.
  • Myth: Eto salbetol is safe to take without a prescription.
    Fact: This is a prescription medicine and should only be taken under a doctor's supervision.
  • Myth: Once symptoms improve, you can stop taking eto salbetol.
    Fact: Do not stop without consulting your doctor, as it may worsen your condition.

📊 Comparison with Similar Medicines

[{"medicine":"Salbutamol + Etofylline","composition":"Salbutamol 2mg + Etofylline 8mg","onset":"30-60 minutes","duration":"4-6 hours","notes":"Combination for bronchospasm."},{"medicine":"Salbutamol + Theophylline","composition":"Salbutamol 2mg + Theophylline 100mg","onset":"30-60 minutes","duration":"6-8 hours","notes":"Similar use but different xanthine."}]

😊 Was this information helpful?

Browse Medicines A-Z

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Back to Medicines Directory