quadrovax pfs vaccine - Diphtheria Toxoid (25LF) + Haemophilus Type B Conjugate Vaccine (10mcg) medicine

Quadrovax PFS Vaccine: Comprehensive Information

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🏭 Serum Institute Of India Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 23, 2026
📋 Prescription Required 💊 Generic Available
Medically Reviewed
12 min read
Evidence: Well-established for indicated uses.
Reviewed by
SaathiMed Expert Panel | Sep 23, 2026

When to Call Your Doctor IMMEDIATELY

  • Difficulty breathing or wheezing after vaccination
  • Swelling of the face, lips, tongue, or throat
  • Widespread rash or hives
  • Sudden drop in blood pressure or fainting
  • Seizures or convulsions
  • Inconsolable crying lasting more than 3 hours in infants
  • High fever above 39°C that does not respond to treatment
  • Limpness or unresponsiveness in infants

If experiencing severe symptoms, call emergency services immediately.

What is quadrovax pfs vaccine used for?

This medicine is a combination vaccine that protects against diphtheria and Haemophilus influenzae type b infections. It is given as an intramuscular injection by a healthcare professional as part of routine immunisation.

  • Generic Name: Diphtheria Toxoid (25LF) + Haemophilus Type B Conjugate Vaccine (10mcg)
  • Manufacturer: Serum Institute Of India Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 quadrovax pfs vaccine के बारे में (Hindi Summary)

उपयोग: यह दवा एक संयुक्त टीका है जो डिप्थीरिया और हीमोफिलस इन्फ्लुएंजा टाइप बी संक्रमण से बचाव के लिए दी जाती है। इसे एक स्वास्थ्य पेशेवर द्वारा मांसपेशी में इंजेक्शन के रूप में लगाया जाता है। यह शिशुओं और बच्चों के नियमित टीकाकरण कार्यक्रम का हिस्सा है। यह टीका शरीर में रोगों के खिलाफ प्रतिरक्षा विकसित करता है।

साइड इफेक्ट्स: इस टीके के सामान्य दुष्प्रभावों में इंजेक्शन वाली जगह पर दर्द, लालिमा या सूजन, हल्का बुखार, चिड़चिड़ापन और भूख में कमी शामिल हैं। ये आमतौर पर हल्के होते हैं और कुछ दिनों में ठीक हो जाते हैं। गंभीर दुष्प्रभाव दुर्लभ हैं, लेकिन यदि सांस लेने में कठिनाई, चेहरे या गले में सूजन, या तेज बुखार हो तो तुरंत डॉक्टर से संपर्क करें।

सुरक्षा सलाह: यह टीका केवल प्रशिक्षित स्वास्थ्य पेशेवर द्वारा ही लगाया जाना चाहिए। टीका लगवाने से पहले अपने डॉक्टर को किसी भी पिछली एलर्जी, बुखार, या दवाओं के बारे में बताएं। टीके के बाद 15-30 मिनट तक क्लिनिक में रुकें। बुखार या दर्द के लिए डॉक्टर की सलाह पर पैरासिटामोल ले सकते हैं। टीकाकरण का रिकॉर्ड रखें और निर्धारित अनुसूची का पालन करें।

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

💊 quadrovax pfs vaccine Uses & Benefits

[{"condition":"Diphtheria prevention","description":"This medicine stimulates protective antibodies against diphtheria toxin, reducing the risk of diphtheria and its complications such as myocarditis and neuropathy.","evidence":"Well-established"},{"condition":"Haemophilus influenzae type b invasive disease prevention","description":"This medicine induces antibodies against the polyribosylribitol phosphate capsule of Haemophilus influenzae type b, protecting against meningitis, pneumonia, epiglottitis, and other invasive infections.","evidence":"Well-established"},{"condition":"Combined immunisation in infants and children","description":"This medicine is used as part of routine childhood immunisation schedules to provide simultaneous protection against diphtheria and Haemophilus influenzae type b disease.","evidence":"Well-established"},{"condition":"Booster immunisation","description":"This medicine may be used as a booster dose to maintain immunity against diphtheria and Haemophilus influenzae type b in children who have completed a primary series.","evidence":"Well-established"}]

Off-label uses: []

Primary treatment for: Diphtheria and Haemophilus influenzae type b invasive disease

Also treats: Meningitis, Pneumonia, Epiglottitis, Bacteraemia

📋 Drug Information

Generic Name(s)Diphtheria Toxoid (25LF) + Haemophilus Type B Conjugate Vaccine (10mcg)
Brand Namequadrovax pfs vaccine
ManufacturerSerum Institute Of India Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassVACCINES
Action Class
Route of AdministrationParenteral (intramuscular injection)
StorageStore in a refrigerator at 2°C to 8°C. Do not freeze. Keep away from light. Do not use if the vaccine has been frozen or if it appears discoloured or contains particulate matter.
Shelf LifeNot established from the available information. Refer to the product label for the expiry date.
WHO GuidelineNot established from the available information. Refer to current WHO position papers on diphtheria and Haemophilus influenzae type b vaccines for guidance.
ICMR GuidelineNot established from the available information. Refer to current Indian Council of Medical Research or National Immunisation Schedule recommendations.

👨‍⚕️ Doctor's Practical Tips

Evidence-based practical advice from experienced clinicians

1
Administer this vaccine only by intramuscular injection in a healthcare setting with resuscitation facilities available.
2
Observe the patient for at least 15-30 minutes after vaccination to monitor for immediate allergic reactions.
3
Use a separate syringe and injection site if other vaccines are given at the same visit.
4
Do not use prophylactic antipyretics before vaccination as they may blunt the immune response.
5
Record the vaccine name, batch number, and date in the patient's immunisation card.
6
Advise parents to monitor for fever, irritability, and local reactions for 48-72 hours.
7
Postpone vaccination in children with moderate or severe acute illness until recovery.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

Prevention of diphtheria
This medicine is indicated for immunisation against diphtheria.
Likely Use
Prevention of Haemophilus influenzae type b disease
This medicine is indicated for immunisation against Haemophilus influenzae type b.
Likely Use
Active infection
This medicine is not a treatment for active infections.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionNot applicable. This medicine is an injectable vaccine and is administered directly into the muscle; it does not undergo absorption from the gastrointestinal tract.
DistributionAfter intramuscular injection, the vaccine antigens are distributed locally to draining lymph nodes and then to the systemic immune system. There is no meaningful plasma protein binding or distribution to target organs in the pharmacological sense.
Protein BindingNot established from the available information.
MetabolismNot applicable. This medicine is a vaccine and is not metabolised like conventional drugs; its components are processed by the immune system.
Half-LifeNot established from the available information.
ExcretionNot applicable. This medicine is not excreted as an active drug; its components are degraded and cleared by normal physiological processes.
BioavailabilityNot applicable. This medicine is administered by injection, so bioavailability is not a relevant parameter.
Onset of ActionProtective immunity does not develop immediately. It typically takes several weeks after vaccination for the immune system to produce sufficient antibodies. The exact onset depends on the individual's immune status and prior vaccination history.
Peak Plasma TimeNot established from the available information.
Duration of ActionThe duration of protection varies. Antibody levels may decline over time, and booster doses are often needed to maintain immunity. The exact duration depends on the individual and the immunisation schedule.

How It Works

This medicine works by presenting two distinct antigens to the immune system. The diphtheria toxoid is a detoxified form of diphtheria toxin that retains its antigenic properties but lacks toxicity. When injected, it is taken up by antigen-presenting cells, processed, and presented to T helper cells, which then help B cells produce specific anti-toxin antibodies. These antibodies neutralise the diphtheria toxin and prevent it from damaging tissues. The Haemophilus type b conjugate vaccine consists of the bacterial capsular polysaccharide covalently linked to a carrier protein. This conjugation converts the polysaccharide from a T-independent antigen to a T-dependent antigen, allowing it to elicit a strong, long-lasting immune response even in infants. The carrier protein provides T cell help, leading to the production of high-affinity antibodies against the Haemophilus influenzae type b capsule, which promote complement-mediated killing and phagocytosis of the bacteria. Together, these components provide active immunity against diphtheria and Haemophilus influenzae type b invasive disease.

Mechanism Steps

1
Antigen uptake and presentation: After intramuscular injection, the diphtheria toxoid and Haemophilus type b conjugate vaccine are taken up by antigen-presenting cells such as dendritic cells and macrophages at the injection site and in draining lymph nodes.
2
T cell activation: The processed antigens are presented on major histocompatibility complex molecules to T helper cells, which become activated and provide help to B cells.
3
B cell activation and antibody production: B cells that recognise the diphtheria toxoid or the Haemophilus type b polysaccharide receive T cell help and differentiate into plasma cells that secrete specific antibodies.
4
Antibody-mediated protection: Anti-diphtheria toxin antibodies neutralise the toxin, while anti-Haemophilus type b capsular antibodies promote complement deposition and phagocytosis of the bacteria.
5
Immunological memory: Some activated B and T cells become memory cells, providing long-term protection and enabling a faster, stronger response upon future exposure to the pathogens.

💡 How to Take quadrovax pfs vaccine

Strength: Diphtheria Toxoid (25 LF) + Haemophilus Type B Conjugate Vaccine (10 mcg) injection

1This medicine is given by a healthcare professional as an intramuscular injection.
2No self-administration is allowed.
3The injection is usually given into the thigh muscle in infants and the upper arm muscle in older children and adults.
4Remain in the clinic for 15-30 minutes after injection for observation.
5Follow the recommended immunisation schedule for subsequent doses.

Dosage Information

Adult DosageThis medicine is primarily intended for paediatric use as part of routine immunisation schedules. For adults, the dose and schedule must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function, and prior vaccination history. It is administered as a single intramuscular injection by a healthcare professional. Do not self-administer.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician. The dose and schedule depend on the child's age, vaccination history, and national immunisation guidelines. It is administered as an intramuscular injection by a healthcare professional.
Elderly DosageNot established from the available information. Consult a healthcare provider for individualised recommendations.
Renal ImpairmentNot established from the available information. No specific dose adjustment is known for renal impairment; consult a healthcare provider.
Hepatic ImpairmentNot established from the available information. No specific dose adjustment is known for hepatic impairment; consult a healthcare provider.
Maximum Daily DoseNot applicable. This medicine is given as a single dose per scheduled visit, not daily.

Dosage Timeline

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

⏰ What to Do If You Miss a Dose

📌 A scheduled dose is missed
→ Contact your healthcare provider as soon as possible to reschedule.
💡 Do not skip doses. Do not attempt to catch up by taking extra doses.
📌 More than half the interval has passed
→ Reschedule the missed dose at the earliest convenience.
💡 The immunisation schedule may need to be adjusted by the healthcare provider.

⚠️ Side Effects of quadrovax pfs vaccine

✅ Common Side Effects

Injection site pain (Common (up to 50%))
Apply a cool compress if needed. Avoid vigorous massage. It usually resolves within 1-3 days.
Injection site redness or swelling (Common (up to 30%))
Keep the area clean and dry. Consult a doctor if swelling increases or persists beyond 3 days.
Low-grade fever (Common (up to 20%))
Give plenty of fluids. Paracetamol may be used if recommended by a doctor. Seek care if fever is high or lasts more than 48 hours.
Irritability or fussiness in children (Common (up to 20%))
Provide comfort and rest. Consult a doctor if crying is inconsolable or lasts more than 3 hours.
Drowsiness or decreased appetite (Uncommon (1-10%))
Allow adequate rest and offer small, frequent feeds. Consult a doctor if symptoms persist beyond 48 hours.

🚨 Serious Side Effects

Anaphylaxis (Rare (<0.01%))
Seek emergency medical care immediately if there is difficulty breathing, swelling of the face or throat, widespread rash, or a sudden drop in blood pressure.
Febrile seizures (Rare (<0.1%))
Seek immediate medical attention if a child has a seizure, especially with fever. Do not attempt to restrain the child; keep the child safe and call for help.
Persistent inconsolable crying (Rare (<0.1%))
Contact a doctor if a child cries continuously for more than 3 hours or has an unusual high-pitched cry.
Severe local reaction (Rare (<0.1%))
Consult a doctor if there is extensive swelling, severe pain, or abscess formation at the injection site.

⚠️ Rare Side Effects

Hypotonic-hyporesponsive episode
Seek immediate medical attention if a child becomes limp, pale, or unresponsive after vaccination.
Guillain-Barré syndrome
Seek medical care if there is progressive weakness, tingling, or difficulty walking after vaccination.
Thrombocytopenia
Consult a doctor if there is unusual bruising or bleeding.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Immunosuppressants Major
Anticoagulants Moderate
Antipyretics Moderate
Other vaccines Moderate

🚨 Major Interactions

  • Immunosuppressive therapy (e.g., high-dose corticosteroids, chemotherapy, radiotherapy)
  • Other vaccines

⚡ Moderate Interactions

  • Anticoagulants (e.g., warfarin, heparin)
  • Antipyretics (e.g., paracetamol, ibuprofen)

🍷 Alcohol Interaction

No specific interaction between this medicine and alcohol is established. However, alcohol may impair immune function and could theoretically reduce the immune response to vaccination. It is advisable to avoid excessive alcohol intake around the time of vaccination.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Severe allergic reaction (e.g., anaphylaxis) to a previous dose of this vaccine or to any component of this medicine.","Known hypersensitivity to diphtheria toxoid, Haemophilus type b conjugate vaccine, or any excipient.","Known hypersensitivity to latex if the packaging contains natural rubber.","Acute severe febrile illness; vaccination should be postponed until recovery."]

⚠️ Warnings & Precautions

["This medicine must be administered by a qualified healthcare professional.","Epinephrine and appropriate medical treatment must be immediately available in case of anaphylaxis.","Vaccination may be postponed in individuals with moderate or severe acute illness.","Immunocompromised individuals may have a reduced immune response to this vaccine.","Individuals with bleeding disorders or on anticoagulants should be vaccinated with caution.","Syncope (fainting) can occur after any vaccination; observe for 15 minutes.","This vaccine does not provide protection against diphtheria or Haemophilus influenzae type b immediately; full immunity takes weeks to develop."]

🤱 Lactation Safety

Not established from the available information. Consult a healthcare provider before receiving this vaccine during breastfeeding.

💊 Overdose Management

Overdose with this medicine is unlikely as it is administered by a healthcare professional. In case of accidental overdose, monitor the patient for any adverse reactions and provide symptomatic and supportive care. There is no specific antidote.

⏰ Missed Dose

If a scheduled dose of this medicine is missed, contact your healthcare provider as soon as possible to reschedule. Do not skip doses or attempt to catch up by taking extra doses. Follow the recommended immunisation schedule.

Additional Safety Advice

General Safety

This medicine must be administered only by a trained healthcare professional. Before receiving this vaccine, inform your doctor about any previous allergic reaction to a vaccine, any bleeding disorder or use of blood-thinning medicines, any illness with fever, any known immune system problem, and any current or planned medicines that affect the immune system. This vaccine is for prevention and should not be used to treat an active infection. If you or your child has a moderate or severe illness with fever, vaccination may be postponed until recovery. After vaccination, remain in the clinic or hospital for at least 15 to 30 minutes so that any immediate allergic reaction can be managed. Do not massage or apply heat or cold to the injection site unless advised. Use a cool compress if there is discomfort. Paracetamol may be used for fever or pain if recommended by your doctor, but avoid giving any medicine without medical advice, especially to infants. Keep a record of the vaccine name, date, and batch number. Follow the recommended immunisation schedule and do not skip doses. If a dose is missed, contact your healthcare provider to reschedule as soon as possible. Do not attempt to self-administer this injection. Store this medicine as advised by the manufacturer and never use a vaccine that appears discoloured or contains particles.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Not established from the available information. Consult a healthcare provider for individualised recommendations.

🤰 Pregnancy Planning (TTC)

Not established from the available information. Consult a healthcare provider before receiving this vaccine if you are planning pregnancy or are pregnant.

🏥 Post-Surgery Considerations

Not established from the available information. Consult a healthcare provider for advice on vaccination after surgery.

🦷 Dental Procedures

No specific considerations for dental procedures are established from the available information. Inform your dentist about your vaccination status.

💚 Lifestyle Tips for Better Results

🏃
Ensure your child completes the full immunisation schedule.
🥗
Maintain a healthy diet and hygiene to support overall immunity.
😴
Keep a record of all vaccinations.
💧
Consult your doctor if you have any concerns about vaccination.
🧘
Follow local public health advisories for immunisation.

🏋️ Exercise Considerations

No specific exercise restrictions are required after receiving this vaccine. However, if you experience fever or fatigue, rest and avoid strenuous activity until you feel better.

🥗 Diet Recommendations

Maintain a balanced diet rich in fruits and vegetables.
Stay well hydrated.
Avoid excessive alcohol around the time of vaccination.

💼 Impact on Daily Work & Life

This vaccine does not usually affect daily activities. Some individuals may experience mild fever or fatigue, which may temporarily affect work or school. Driving is generally safe unless you feel unwell.

🛑 When to Stop This Medicine

This vaccine is given as a single dose per scheduled visit. There is no need to stop it. If you experience a severe allergic reaction, do not receive further doses without consulting a doctor.

📅 Long-Term Use Effects

Long-term effects of this vaccine are not established from the available information. The vaccine is designed to provide immunity without causing long-term harm. Booster doses may be required to maintain protection. Regular monitoring of immunisation status is recommended.

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

This vaccine can be given concurrently with other vaccines as per the immunisation schedule. It should be administered at a separate injection site with a separate syringe. Live vaccines may need to be given at a different time if the immune response is a concern; consult a healthcare provider.

📦 Storage Guide

✅ DO

Store in a refrigerator at 2°C to 8°C.

❌ DON'T

Do not freeze.

✅ DO

Keep in the original container.

❌ DON'T

Do not transfer to unmarked containers.

✅ DO

Protect from light.

❌ DON'T

Do not use if discoloured or contains particles.

✈️ Traveling with This Medicine

When travelling with this vaccine, carry it in its original packaging with the prescription or medical documentation. Maintain the cold chain at 2°C to 8°C using a vaccine carrier with ice packs. Avoid freezing. If travelling by air, carry it in hand luggage and inform security about the medical nature of the item. Check customs regulations for importing vaccines into the destination country. Plan vaccination timing so that any side effects do not interfere with travel.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 2-month-old infant brought for routine immunisation
The infant received this vaccine as part of the primary immunisation series. The mother was advised to give paracetamol if fever developed. The infant had mild fever and fussiness for one day, which resolved with supportive care. The mother was reassured that these are normal vaccine reactions.
💡 Lesson: Mild fever and irritability are common after vaccination and usually resolve within 24-48 hours. Do not panic; consult a doctor if symptoms are severe or persistent.
👤 A 5-year-old child with a history of preterm birth
The child was brought for a booster dose of this vaccine. The paediatrician reviewed the immunisation history and confirmed that the child was due for a booster. The vaccine was administered intramuscularly in the upper arm. The child experienced mild pain at the injection site but no systemic symptoms.
💡 Lesson: Booster doses are important to maintain immunity. Always follow the recommended schedule and consult a paediatrician for individualised advice.

💬 Questions Patients Often Ask

Q: How long does it take for the vaccine to work?

A: Protective immunity develops over several weeks after vaccination. Full protection is not immediate.

Q: Can this vaccine cause the disease it prevents?

A: No, this vaccine contains inactivated toxoid and conjugate antigens; it cannot cause diphtheria or Haemophilus influenzae type b disease.

Q: Is it safe to give this vaccine with other vaccines?

A: Yes, it can be given with other vaccines at the same visit, but at separate injection sites using separate syringes.

Q: What should I do if my child has a fever after vaccination?

A: Mild fever is common and usually resolves within 48 hours. You may give paracetamol if recommended by your doctor. Seek medical care if fever is high or persistent.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Is this vaccine safe for my child?
  • What are the common side effects?
  • How many doses are needed?
  • Can it be given with other vaccines?
  • What if my child has a fever after vaccination?
  • How long does protection last?

🛑 Myths vs. Facts

  • Myth: This vaccine can cause autism.
    Fact: Extensive research has found no link between vaccines and autism. This vaccine is safe and effective.
  • Myth: This vaccine is only for children.
    Fact: While primarily used in children, it may also be recommended for certain adults based on individual risk assessment.
  • Myth: Natural infection is better than vaccination.
    Fact: Natural infection can cause serious complications and even death. Vaccination provides protection without the risks of the disease.

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