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What Is BCG Vaccine;Reaction,Side Effects,And Contraindications

BCG vaccine is indicated for the prevention of tuberculosis.It is usually administered soon after birth.This vaccine is part of the basic schedule of vaccination of the child.It prevents tuberculosis mainly severe forms such as tuberculous meningitis and miliary tuberculosis.

What Is BCG Vaccine;Reaction,Side Effects,And Contraindications

BCG Vaccine Reactions?

The BCG vaccine may cause some reactions. One of these are ganglia and abscesses in the skin and underarms. In addition, the bacillus of this vaccine can spread throughout the body and lead to lesions in different organs. It is important to report any adverse reactions to this vaccine.

The BCG vaccine is composed of bacteria of the Mycobacterium bovis BCG strainwith diminished virulence (Bacillus Calmette-Guérin), which stimulate the body to produce antibodies against this disease.The vaccine is made available by the Ministry of Health and is usually administered at the maternity ward or at the health clinic. In hospitals or private clinics the vaccine can cost $ 90.00.

How To Use BCG Vaccine

The BCG vaccine should be given directly to the upper layer of the skin by a physician, nurse or trained health professional. Generally, for children under 12 months the recommended dose is 0.05 ml, and for adults and children over 12 months of 0.1 ml.

This vaccine is always applied to the right arm of the child, and the response to the vaccine takes 3 to 6 months to appear and is noticed when a small raised red spot appears on the skin, which develops into a small ulcer and finally a scar. Scar formation indicates that the vaccine was able to stimulate immunity in the baby. In addition, in some cases throughout life it is necessary to take a booster, especially for people who have had prolonged contact or coexistence with those infected by tuberculosis.

Possible Side Effects Of BCG Vaccine 

Usually the tuberculosis vaccine does not lead to side effects, however, swelling, redness and tenderness, swelling of the lymph nodes, headache, muscle soreness may occur.

BCG Vaccine Contraindications

The vaccine is contraindicated for preterm infants or less than 2 kg, and it is necessary to wait until the baby reaches 2 kg for the vaccine to be administered. In addition, people with allergies to some component of the formula, congenital or immunodepressed diseases, such as generalized infection or AIDS, for example, should not take the vaccine.If the woman is pregnant or breastfeeding, has a serious health problem or is on treatment with some medicines, she should talk to her doctor before starting treatment.

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