It means that your immune system already recognises TB, because you have been exposed to the disease in the past. In this case you should not be given the BCG vaccine because you already have some immunity to TB, and the vaccine may cause unpleasant side effects.
If you have no reaction to the skin test, this is a negative result, and you can safely have the BCG vaccine. At first it was offered to children of school leaving age 14 years old because TB was most common in young adults at this time. Rates of TB in the UK were already falling, and they continued to fall after the vaccine was introduced. In the s it was realised that there were higher numbers of TB cases in people coming to the UK from countries with high rates of TB.
Vaccination of all children aged continued until , when it was decided that TB rates in the general population had fallen to such a low level that universal BCG vaccination was no longer needed. The UK programme now targets babies and children who are most at risk of exposure to TB, with the aim of preventing the more serious childhood forms of TB.
The vaccine is given just under the skin intradermally , usually in the left upper arm. This is the recommended site, so that small scar left after vaccination can be easily found in the future as evidence of previous vaccination. No other vaccine should be given in the same limb as the BCG for three months afterwards, because of the risk of lymphadenitis an enlarged lymph node that becomes infected.
Tuberculosis TB is caused by a type of bacterium called Mycobacterium. There are Read more. Medical content reviewed by Professor Andrew Pollard. Please click here to contact us if you have comments about the Vaccine Knowledge website. You should consult your doctor or other healthcare provider if you need specific advice on vaccines for you or your child. Side effects of the hepatitis B vaccine can include nausea, vomiting, and diarrhea. There may also be no side effects at all.
Learn more about the…. The shingles vaccine is effective, but it can cause side effects. Learn about the possible mild, serious, and long term side effects here. Also, learn…. Chickenpox usually affects children, but it can also occur in adults.
In this article, we look at the specific symptoms and treatments of chickenpox…. The tetanus shot protects people from the tetanus infection. It is an important vaccination to have. Most people will not have side effects, but…. For decades, doctors and scientists have advocated for the use of vaccinations to promote public health. Vaccines are safe and effective, but there is….
Everything you need to know about smallpox vaccine scars. Medically reviewed by Elaine K. Luo, M. Page last reviewed: 23 April Next review due: 23 April BCG TB vaccine side effects. Side effects may include: soreness or discharge where the injection was given high temperature fever headache swollen glands under the armpit in the arm where the injection was given Most people develop a sore at the injection site. BCG vaccination scar Almost everyone when given the BCG vaccination will develop a raised bubble at the site of the injection, which may disappear soon afterwards.
Allergy to the BCG vaccine Serious side effects from the BCG vaccine, such as a serious allergic reaction anaphylactic reaction , are very rare. All staff who give vaccinations are trained to treat allergic reactions. Other Pneumococcal vaccines Polio 1. Pregnancy 7.
Rotavirus Vaccines Shingles vaccines TB skin test Travel vaccines
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