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General Practice 2023

Tetravalent vaccine: what is it for and when to take it

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Tetravalent vaccine: what is it for and when to take it
Tetravalent vaccine: what is it for and when to take it

The tetravalent vaccine, also known as the tetravalent viral, tetraviral or SCRV vaccine, is a vaccine that protects the body against 4 diseases caused by viruses: measles, mumps, rubella and chickenpox, which are highly contagious diseases.

This vaccine is available in basic he alth units and in private clinics for children from 12 months of age, and it is recommended that the first dose be given with the tetravalent or triple viral vaccine + chickenpox (chickenpox) and that the second dose, which is recommended from 15 months onwards, is the tetravalent viral dose.

If the vaccine was not given during childhood, the person can take 1 dose at any time in life.


What is it for

The tetravalent vaccine is indicated to protect against infection by viruses responsible for highly contagious diseases such as measles, mumps, rubella and chickenpox.

When is indicated

The tetraviral vaccine is indicated from 12 months of age, being applied to the tissue under the skin of the arm or thigh. The first dose can be with the tetraviral vaccine (SCRV) or with the MMR vaccine together with the chickenpox vaccine (SCR+V).

The second dose should preferably be with the tetraviral vaccine and is indicated from the age of 15 months, it is recommended to keep the interval of three months from the previous dose.

Possible side effects

Some of the side effects that can occur after the application of the tetravalent viral vaccine are low-grade fever and pain, redness, itching and sensitivity at the injection site. Also, in rarer cases, there may be a more intense reaction in the body, causing fever, spotting, itching and body pain.

The vaccine has traces of egg protein in its composition, however, no cases of side effects have been reported in people who have this type of allergy and have taken the vaccine.

The side effects related to the vaccine usually pass after a few days, however if they become more intense or last longer, it is important that the pediatrician is consulted.

When not to take

This vaccine should not be given to children who are allergic to neomycin or another component of its formula, who have received a blood transfusion in the last 3 months or who have a disease that greatly impairs immunity, such as HIV or cancer. It should also be postponed in children who have an acute infection with high fever, however, it should not be missed in cases of mild infections, such as colds.

In addition, the vaccine is not recommended if the person is undergoing a treatment that reduces the functioning of the immune system, nor for pregnant women.

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