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COMVAC 3 2520-LF/57.5-LF/1520-OU INJECTION

MRP: Rs. 16.25 for 1 vial(s) (1 ML injection each)
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food interaction for COMVAC 3

alcohol interaction for COMVAC 3

pregnancy interaction for COMVAC 3

lactation interaction for COMVAC 3

There is no data available. Please consult doctor before consuming the drug.
Interaction with alcohol is unknown. Please consult your doctor.
Comvac 3 2520-lf/57.5-lf/1520-ou injection may be unsafe to use during pregnancy.
Either animal studies have shown adverse effect on fetus and there are no human studies or studies in human and animals are not available. It should be given only if potential benefits justifies risk to the fetus. Please consult your doctor.
Comvac 3 2520-lf/57.5-lf/1520-ou injection is probably safe to use during breastfeeding. Please consult your doctor.


Diphtheria Toxoid(2520 -lf)


Diphtheria toxoid is a vaccine used to protect against the infectious disease diphtheria. It is used in combination with other vaccines that offer protection against disease like pertussis (whooping cough) and tetanus (DPT vaccine).

How it works

Diphtheria toxoid belongs to a class of drugs called vaccines. It works by developing body’s natural immunity (antibodies) against diphtheria infections. 

Common side effects

Neurological disturbances, Pain, Fever, Flushing, Decreased blood pressure, Skin redness, Tachycardia, Tenderness, Urticaria
Tetanus Toxoid(57.5 -lf)


Tetanus toxoid is the vaccine given for prevention of tetanus (a bacterial infection with symptoms of tightening of muscles of the body and locked jaw).

How it works

It works by helping the body produce substances (antibodies) that resist infection from bacteria causing tetanus.

Common side effects

Nausea, Pain in extremity, Peripheral neuropathy, Joint pain, Body ache, Convulsion, Facial swelling, Fever, Injection site tenderness, Injection site pain, Vomiting
Pertussis Toxoid(1520 -ou)



How it works

Active immunization resulting in development of neutralizing antibodies to pertussis toxins. Pertussis toxoid convey active immunity via stimulation of production of endogenously produced antibodies.

Common side effects

Diarrhoea, Fever, Injection site pain, Skin redness, Soreness, Swelling, Tenderness, Vomiting


No substitutes found

Expert advice for COMVAC 3

• For DPT vaccine, always follow the compulsory schedule of 5 doses starting from 6 weeks age of a child.Inform your doctor, if you have taken diphtheria toxoid vaccine within 5 years.
• Inform your doctor, if you are suffering from blood disorders, sudden temporary loss of movements (Guillain Barre Syndrome), or if you have a poor body defence system.
• Do not drive of operate machinery after the injection, as the combination vaccines may cause dizziness.
• Seek immediate medical attention if you experience severe allergic reaction such as tightness in chest, difficulty breathing, fainting, fits, tingling or weakness in hands and feet, severe and persistent swelling, redness and pain on injection site. 
• Should not be given to patients allergic to diphtheria toxoids, any of the components of the combination vaccines or any of its ingredients.
• Should not be given to patients with acute severe illness with high fever.
• Should not be given to patients with a history of severe allergic reaction after vaccination with any other diphtheria toxoid-containing vaccines.

Frequently asked questions for COMVAC 3

Diphtheria Toxoid

Q. Is diphtheria toxin an endotoxin?
No, diphtheria toxin is an exotoxin and not an endotoxin.
Q. Is diphtheria toxin a protein?
Yes, diphtheria toxin is an extracellular protein of the bacteria Corynebacterium diphtheriae.

Tetanus Toxoid

Q. What does tetanus toxoid do?
Tetanus toxoid is the vaccine given for prevention of tetanus.

Q. How does it work?
 Tetanus symptoms involve tightening of muscles of the body and causing a locked jaw, thus making it impossible to breathe, open the mouth to eat or swallow. It works by helping the body produce substances that resist infection from bacteria causing tetanus.
Q. Is tetanus toxoid a live vaccine/attenuated?
Tetanus toxoid is an inactivated toxin. It is neither a live vaccine/attenuated.

Q. Does it cause passive immunity?
 Tetanus toxin imparts passive immunity to the patient.
Q. Is tetanus toxoid an antibiotic or protein?
Tetanus toxoid is not an antibiotic. It is an inactive protein.
Q. Does tetanus toxoid need a skin test?
Tetanus toxoid may not require a skin test. kindly consult your doctor for the same

Q. Does it have to be refrigerated?
 It has to be refrigerated between 2-8 degrees centigrade.

Q.Does it contain horse serum?
  Tetanus toxoid does not contain horse serum.


Content on this page was last updated on 21 September, 2014, by Dr. Varun Gupta (MD Pharmacology)