immubron tablet - Bacterial Lysate (50mg) medicine

Ismigen Tablet: Complete Medicine Guide

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🏭 Merck Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 26, 2026
📋 Prescription Required 💊 Generic Available
Medically Reviewed
12 min read
Evidence: Limited to moderate; evidence is not fully established from the available information.
Reviewed by
SaathiMed Expert Panel | Sep 26, 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

  • Swelling of the face, lips, tongue, or throat
  • Difficulty breathing or wheezing
  • Severe skin rash with fever or blistering
  • Severe abdominal pain or persistent vomiting
  • Blood in stool or vomit
  • New or worsening symptoms of an autoimmune condition
  • High fever with chills that does not improve

If experiencing severe symptoms, call emergency services immediately.

What is immubron tablet used for?

This medicine is an oral bacterial lysate immunomodulator used to help reduce recurrent respiratory tract infections. It is not an antibiotic and must be taken only as prescribed by a doctor.

  • Generic Name: Bacterial Lysate (50mg)
  • Manufacturer: Merck Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 immubron tablet के बारे में (Hindi Summary)

उपयोग: यह दवा बैक्टीरियल लाइसेट वर्ग की एक ओरल इम्यूनोमॉड्यूलेटर दवा है। इसका उपयोग बार-बार होने वाले श्वसन तंत्र के संक्रमणों, जैसे बार-बार गले में संक्रमण, साइनस संक्रमण, कान के मध्य भाग के संक्रमण और ब्रोंकाइटिस की आवृत्ति और गंभीरता को कम करने में सहायक के रूप में किया जाता है। यह दवा सीधे बैक्टीरिया को नहीं मारती, इसलिए इसे एंटीबायोटिक का विकल्प नहीं मानना चाहिए। यह शरीर की प्रतिरक्षा प्रणाली को उत्तेजित करके श्वसन तंत्र में सुरक्षा बढ़ाने में मदद कर सकती है। इसका सेवन डॉक्टर की सलाह और निर्देशानुसार ही करें।

साइड इफेक्ट्स: इस दवा को अधिकांश लोग अच्छी तरह सहन करते हैं, लेकिन कुछ लोगों में हल्के और अस्थायी दुष्प्रभाव हो सकते हैं। इनमें मतली, पेट में असहजता, हल्का दस्त, सिरदर्द, थकान, त्वचा पर चकत्ते या खुजली शामिल हो सकते हैं। गंभीर एलर्जी प्रतिक्रिया कभी-कभार हो सकती है, जिसमें चेहरे, होंठ, जीभ या गले में सूजन, सांस लेने में कठिनाई या बुखार के साथ गंभीर त्वचा प्रतिक्रिया हो सकती है। ऐसा होने पर दवा बंद करें और तुरंत डॉक्टर से मिलें।

सुरक्षा सलाह: इस दवा को डॉक्टर के बताए अनुसार ही लें और अपनी मर्जी से खुराक या अवधि न बदलें। गोली को पानी के साथ पूरा निगलें। यह दवा एंटीबायोटिक नहीं है, इसलिए गंभीर बैक्टीरियल संक्रमण के इलाज के लिए इसका इस्तेमाल अकेले न करें। अपनी सभी बीमारियों, खासकर ऑटोइम्यून रोग, इम्यून सिस्टम से जुड़ी समस्याओं और एलर्जी की जानकारी डॉक्टर को दें। गर्भावस्था, गर्भधारण की योजना या स्तनपान के दौरान डॉक्टर से सलाह लें। दवा को बच्चों की पहुंच से दूर, ठंडी और सूखी जगह पर, मूल डिब्बे में रखें। चेहरे या गले में सूजन, सांस लेने में कठिनाई या गंभीर त्वचा प्रतिक्रिया होने पर तुरंत आपातकालीन चिकित्सा सहायता लें।

💡 Did You Know? The first generic medicine was introduced in India in 1970 after the Patents Act was amended.

💊 immubron tablet Uses & Benefits

[{"condition":"Recurrent respiratory tract infections","description":"Used as an immunomodulatory add-on to reduce the frequency and severity of recurrent infections of the upper and lower respiratory tract, such as recurrent pharyngitis, sinusitis, otitis media, and bronchitis.","evidence":"Limited to moderate; evidence is not fully established from the available information."},{"condition":"Recurrent ear, nose, and throat infections","description":"Sometimes prescribed to help reduce repeated episodes of throat and middle ear infections in patients who have frequent recurrences.","evidence":"Limited"},{"condition":"Supportive immune modulation in recurrent infections","description":"May be used to support immune responsiveness in selected patients with recurrent infections after clinical evaluation.","evidence":"Limited"}]

Off-label uses: [{"condition":"Recurrent urinary tract infections","description":"Sometimes considered off-label for immune support in recurrent urinary tract infections, but evidence is not established from the available information.","evidence":"Limited"},{"condition":"Allergic rhinitis with recurrent infections","description":"Occasionally used off-label in patients with allergic rhinitis and frequent infections, but this is not a standard approved use.","evidence":"Limited"}]

Primary treatment for: Recurrent respiratory tract infections

Also treats: Recurrent ear, nose, and throat infections, Recurrent bronchitis

📋 Drug Information

Generic Name(s)Bacterial Lysate (50mg)
Brand Nameimmubron tablet
ManufacturerMerck Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassANTI INFECTIVES
Action ClassImmunostimulant- Respiratory tract infections
Route of AdministrationOral
StorageStore at room temperature, away from moisture and direct sunlight. Keep the tablets in the original container, tightly closed. Do not refrigerate unless the label specifically says so.
Shelf LifeNot established from the available information. Refer to the expiry date printed on the pack.
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 and do not change the dose or duration on your own.
2
This medicine is not an antibiotic, so do not use it to self-treat an active severe infection.
3
Tell your doctor about all your medicines, especially immunosuppressive drugs and corticosteroids.
4
If you have an autoimmune disorder, use this medicine only under close medical supervision.
5
Stop the medicine and seek emergency help if you develop swelling of the face or throat or difficulty breathing.
6
Keep a record of your infections before and during treatment to help your doctor assess the benefit.
7
Do not share this medicine with others, even if they have similar symptoms.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

✅
Recurrent sore throat
This medicine may be prescribed as part of a plan to reduce recurrent throat infections.
Likely Use
✅
Recurrent sinus infections
This medicine may be used as an add-on immune support in recurrent sinus infections.
Likely Use
✅
Recurrent ear infections
This medicine may be used in selected patients with recurrent middle ear infections.
Likely Use
❌
Acute severe fever with breathlessness
This medicine is not a treatment for an active severe infection and should not be used alone in this situation.
Not Primary
❌
Common cold with mild symptoms
This medicine is not a rapid cold remedy and is intended for recurrent infection prevention under medical advice.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionNot established from the available information.
DistributionNot established from the available information.
Protein BindingNot established from the available information.
MetabolismNot established from the available information.
Half-LifeNot established from the available information.
ExcretionNot established from the available information.
BioavailabilityNot established from the available information.
Onset of ActionNot established from the available information.
Peak Plasma TimeNot established from the available information.
Duration of ActionNot established from the available information.

How It Works

This medicine contains bacterial lysates that are thought to act as oral immunomodulators. After being taken by mouth, the lysate components are believed to interact with immune cells in the gut-associated lymphoid tissue. This interaction may stimulate the production of antibodies and enhance the activity of immune cells that protect the respiratory tract. The overall effect is intended to improve the body's ability to respond to recurrent bacterial and viral respiratory infections. The exact molecular pathways and the full mechanism are not established from the available information.

Mechanism Steps

1
Oral intake of bacterial lysates: The bacterial lysate tablet is swallowed and reaches the gastrointestinal tract.
2
Interaction with gut-associated lymphoid tissue: The lysate components are believed to interact with immune cells in the gut-associated lymphoid tissue.
3
Immune cell activation: This interaction may activate immune cells and promote the production of antibodies.
4
Enhanced respiratory mucosal defence: The activated immune response is thought to improve local immune protection in the respiratory tract.
5
Reduced recurrence of infection: The overall effect may reduce the frequency and severity of recurrent respiratory infections.

💡 How to Take immubron tablet

Strength: 50 mg immediate-release tablet for oral use.

1Read the label and follow your doctor's instructions exactly.
2Swallow the tablet whole with a glass of water.
3Take it at the same time each day to help you remember.
4You may take it with or without food, but taking it with food may reduce stomach upset.
5Do not crush, chew, or break the tablet unless your doctor tells you to.
6Do not take more than the prescribed dose.
7If you miss a dose, follow the missed dose instructions given by your doctor.

Dosage Information

Adult DosageThe dose of this medicine must be individualized by a qualified clinician based on the indication, age, weight, and clinical condition. It is usually taken by mouth as a 50 mg immediate-release tablet, but the exact frequency and duration depend on the doctor's assessment. Do not self-adjust the dose. Follow the prescription exactly, and ask your doctor or pharmacist if you are unsure.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician.
Elderly DosageDosing in elderly patients should be individualized by a qualified clinician. Elderly patients may have other medical conditions and take other medicines, so a doctor should review all medicines before starting this product.
Renal ImpairmentNot established from the available information. Patients with kidney disease should consult their doctor before using this medicine.
Hepatic ImpairmentNot established from the available information. Patients with liver disease should consult their doctor before using this medicine.
Maximum Daily DoseNot established from the available information. The maximum daily dose must be determined by a qualified clinician.

Dosage Timeline

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

🍽️ Food Timing Guide

With food
May be taken with food
Taking with food may reduce stomach upset.
Without food
May be taken without food
Food is not known to significantly affect this medicine.
Alcohol
Avoid excessive alcohol
Alcohol may worsen stomach upset.

⏰ 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 immubron tablet

✅ Common Side Effects

Nausea (Common)
Take the tablet with food or water. If nausea persists, consult your doctor.
Abdominal discomfort (Common)
Take with meals and avoid spicy food. Consult your doctor if it continues.
Mild diarrhea (Common)
Stay hydrated. Consult your doctor if diarrhea is severe or persistent.
Headache (Uncommon)
Rest and stay hydrated. Consult your doctor if the headache is severe or persistent.
Skin rash or itching (Uncommon)
Stop the medicine and consult your doctor if the rash spreads or is bothersome.

🚨 Serious Side Effects

Severe allergic reaction with swelling of face, lips, tongue, or throat (Rare)
Stop the medicine and seek emergency medical help immediately.
Difficulty breathing or wheezing (Rare)
Seek emergency medical attention immediately.
Widespread severe skin reaction with fever (Rare)
Stop the medicine and seek immediate medical care.

⚠️ Rare Side Effects

Worsening of autoimmune symptoms
Consult your doctor promptly if you notice new or worsening autoimmune symptoms.
Severe gastrointestinal symptoms
Seek medical attention if you have severe abdominal pain, persistent vomiting, or blood in stool.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Immunosuppressive medicines Major
Live vaccines Major
Corticosteroids Moderate
Other immunomodulatory medicines Moderate
Antacids Minor

🚨 Major Interactions

  • Immunosuppressive medicines
  • Live vaccines

⚡ Moderate Interactions

  • Corticosteroids taken by mouth or injection
  • Other immunomodulatory medicines

🍷 Alcohol Interaction

There is no well-established direct interaction between this medicine and alcohol. However, alcohol can cause stomach irritation and may worsen nausea or abdominal discomfort. It is best to avoid excessive alcohol while taking this medicine, and to discuss any alcohol use with your doctor.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Known hypersensitivity or allergy to bacterial lysates or any component of this medicine","Acute febrile illness or severe acute infection, unless specifically advised by a clinician","Autoimmune disorders, unless under close medical supervision","Use of immunosuppressive therapy, unless under close medical supervision"]

⚠️ Warnings & Precautions

["This medicine is not an antibiotic and should not be used to treat an active severe bacterial infection on its own.","Use with caution in patients with autoimmune disorders or immune deficiency.","Use with caution in patients taking immunosuppressive medicines.","Stop the medicine and seek medical help if a severe allergic reaction occurs.","Do not exceed the dose prescribed by your doctor.","Inform your doctor if you are pregnant, planning pregnancy, or breastfeeding.","Keep out of reach of children."]

🤱 Lactation Safety

Not established from the available information. Breastfeeding mothers should consult a doctor before using this medicine.

💊 Overdose Management

Overdose with this medicine is not well established from the available information. If a person takes too much, contact a doctor or a poison control centre immediately. Treatment should be supportive and based on the person's symptoms. Do not try to induce vomiting unless a healthcare professional advises it.

⏰ Missed Dose

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

Additional Safety Advice

General Safety

Take this medicine exactly as prescribed by your doctor, and do not change the dose or duration on your own. Swallow the tablet whole with water unless your doctor advises otherwise. This medicine is not a substitute for antibiotics when you have an active bacterial infection, so do not use it to self-treat a severe infection. Tell your doctor about all your medical conditions, especially autoimmune diseases, immune deficiency, or allergies, and about all medicines you take, including those for the immune system. If you are pregnant, planning pregnancy, or breastfeeding, speak to your doctor before using this medicine. Keep this medicine out of the reach of children. Store it in its original container, away from moisture and direct sunlight, at room temperature. Do not use it after the expiry date. If you experience swelling of the face or throat, difficulty breathing, or a severe skin reaction, stop the medicine and get emergency medical help. Do not share this medicine with anyone else, even if they have similar symptoms.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients may have other medical conditions and may be taking multiple medicines. A doctor should review all medicines before starting this product. Dosing should be individualized by a qualified clinician.

🤰 Pregnancy Planning (TTC)

If you are planning pregnancy, consult your doctor before using this medicine. The safety of this medicine during pregnancy is not established from the available information.

🏥 Post-Surgery Considerations

If you are scheduled for surgery, inform your surgeon and anaesthesiologist that you are taking this medicine. Do not stop or continue it without your doctor's advice.

🦷 Dental Procedures

Inform your dentist that you are taking this medicine before any dental procedure. No specific precautions are established from the available information, but your dentist may want to coordinate with your doctor.

💚 Lifestyle Tips for Better Results

🏃
Maintain a healthy and balanced diet to support your immune system.
🥗
Stay well hydrated throughout the day.
😴
Get adequate sleep to help your body recover and fight infections.
💧
Wash your hands frequently to reduce the spread of infections.
🧘
Avoid smoking and exposure to secondhand smoke.
🌞
Stay up to date with recommended vaccinations as advised by your doctor.
🚭
Manage stress through relaxation techniques and regular physical activity.

🏋️ Exercise Considerations

This medicine is not known to directly affect exercise capacity. However, if you feel unwell, dizzy, or tired, avoid strenuous exercise and rest until you feel better. Discuss any concerns with your doctor before starting a new exercise routine.

🥗 Diet Recommendations

Include plenty of fruits and vegetables rich in vitamins and antioxidants.
Choose whole grains and lean proteins.
Limit processed foods, sugary drinks, and excessive salt.
Stay well hydrated with water.
Avoid excessive alcohol.

💼 Impact on Daily Work & Life

This medicine is not known to impair driving or operating machinery. However, if you experience dizziness, drowsiness, or any unusual symptom, avoid driving or operating heavy machinery and consult your doctor. Most people can continue their usual daily activities while taking this medicine.

🛑 When to Stop This Medicine

Do not stop this medicine without consulting your doctor. If you experience a severe allergic reaction, difficulty breathing, or any serious side effect, stop the medicine and seek immediate medical help. Your doctor will decide when and how to stop the medicine based on your response and clinical condition.

📅 Long-Term Use Effects

The long-term effects of this medicine are not fully established from the available information. It is generally used for a limited duration under medical supervision. Long-term use should be reviewed regularly by your doctor, who will assess the benefits and any potential risks. Report any new or unusual symptoms during treatment.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Good hygiene practices

Regular hand washing and avoiding close contact with sick people can help reduce the spread of infections.

Evidence: Well-established
Vaccination

Recommended vaccines may help prevent certain respiratory infections.

Evidence: Well-established
Lifestyle measures

A healthy diet, adequate sleep, and regular exercise support overall immune health.

Evidence: Well-established

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

This medicine may modulate the immune system, so the timing of vaccinations should be discussed with your doctor. Do not receive live vaccines without consulting your doctor while taking this medicine.

📦 Storage Guide

✅ DO

Store at room temperature, away from moisture and direct sunlight.

❌ DON'T

Do not store in a bathroom cabinet or near a sink.

✅ DO

Keep the tablets in the original container, tightly closed.

❌ DON'T

Do not transfer the tablets to unmarked containers.

✅ DO

Keep out of reach of children.

❌ DON'T

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

✈️ Traveling with This Medicine

When travelling, carry this medicine in its original packaging with the prescription label clearly visible. Keep a copy of your prescription with you in case you need to show it to customs or a doctor. Store the tablets at room temperature and protect them from extreme heat, moisture, and direct sunlight. If you are crossing time zones, continue taking the medicine at the same interval as prescribed, or ask your doctor for advice on adjusting the schedule. Carry enough supply for the entire trip and a little extra in case of delays. Do not put the tablets in checked luggage where they may be exposed to extreme temperatures.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 35-year-old teacher with frequent throat infections
She had been getting throat infections almost every month and was worried about repeated antibiotic use. Her doctor prescribed this medicine as an add-on immune support. Over the next few months, she noticed fewer episodes of sore throat and felt more confident about her health. She took the tablet regularly as advised and kept her follow-up appointments.
💡 Lesson: This medicine may help reduce the frequency of recurrent infections when taken regularly as prescribed, but it does not replace standard medical care.
👤 A 52-year-old man with recurrent bronchitis
He had repeated episodes of bronchitis during seasonal changes. After a full evaluation, his doctor added this medicine to his treatment plan. He experienced mild nausea at first, which settled when he started taking the tablet with food. Over time, his episodes became less frequent, and he continued regular check-ups with his doctor.
💡 Lesson: Taking this medicine with food may reduce stomach upset, and regular follow-up helps monitor the response to treatment.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: This medicine is intended to modulate the immune system over time, so it does not work immediately like a painkiller. The time to benefit varies from person to person and must be assessed by your doctor.

Q: Is this medicine an antibiotic?

A: No, this medicine is not an antibiotic. It contains bacterial lysates and is used as an immunomodulator. It does not directly kill bacteria.

Q: Can I stop this medicine on my own?

A: Do not stop this medicine without consulting your doctor. The duration of treatment should be decided by your doctor based on your condition.

Q: What should I do if I miss a dose?

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

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I take this medicine long-term?
  • Is this medicine an antibiotic?
  • Can I take this medicine with other medicines?
  • What if I miss a dose?
  • Can I drink alcohol while taking this medicine?
  • Is this medicine safe in pregnancy?
  • Does this medicine have any effect on the immune system?

🔄 Substitutes for immubron tablet

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 replace antibiotics for any infection.
    Fact: This medicine is not an antibiotic and does not directly kill bacteria. It should not be used to treat an active severe bacterial infection on its own.
  • Myth: This medicine works immediately like a painkiller.
    Fact: This medicine is intended to modulate the immune system over time and is not a rapid symptom reliever.
  • Myth: More tablets mean better immunity.
    Fact: Taking more than the prescribed dose can increase the risk of side effects and is not recommended.

📊 Comparison with Similar Medicines

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