What is the complication of BCG vaccine?
BCG vaccine can cause mild and severe complications. Mild complications include regional lymphadenitis, cutaneous lesions such as hyperemia, swelling, soreness, abscess formation, keloid and blister formation at the injection site, and eczema vaccinatum which are considered as normal vaccine reactions.
What are the contraindications for BCG vaccination?
BCG vaccination is contraindicated – for persons with impaired immunity (symptomatic HIV infection, known or suspected congenital immunodeficiency, leukaemia, lymphoma or generalized malignant disease); – for patients under immunosupressive treatment (corticosteroids, alkylating agents, antimetabolites, radiation); – …
Do teenagers still have BCG vaccination?
Why do we no longer vaccinate teenagers with the BCG at school? The BCG is no longer offered to children in secondary schools in the UK. It was replaced in 2005 with a targeted programme for babies, children and young adults at higher risk of TB.
What is the age limit for BCG vaccine?
Immunization of infants with Bacille Calmette-Guérin vaccine (BCG) can protect against TB meningitis and other severe forms of TB in children less than five years old. BCG vaccine is not recommended after 12 months of age because the protection provided is variable and less certain.
Does BCG cause lump?
The usual reaction to BCG vaccination is redness and/or a small lump at the injection site, followed by a small ulcer (an open sore) a few weeks later. The ulcer is usually less than a centimetre in diameter, and may last from a few weeks to a few months before healing to a small, flat scar.
Why does the TB vaccine leave a scar?
Most people develop a sore at the injection site. Once healed, the sore may leave a small scar. This is normal and nothing to worry about. More serious complications, such as abscesses, bone inflammation and widespread TB are rare.
What are the true contraindications in vaccination?
The only contraindication applicable to all vaccines is a history of a severe allergic reaction after a prior dose of vaccine or to a vaccine constituent. Precautions are not contraindications, but are events or conditions to be considered in determining if the benefits of the vaccine outweigh the risks.
What are contraindications of vaccines?
Medical conditions that are contraindications to vaccination include: A severe allergic reaction (e.g., anaphylaxis) to a vaccine component is a contraindication to any vaccine containing that component, and a severe allergy following a dose of vaccine is a contraindication to subsequent doses of that vaccine.
How do I know if I had a BCG vaccine?
The tuberculin skin test (also called the Mantoux test) may be given before you are offered the BCG vaccine. If you develop a hard red lump at the test site, this is a positive result. It means that your immune system already recognises TB, because you have been exposed to the disease in the past.
How long does BCG bump last?
In 1–6 weeks, a small, red blister may appear where the injection was given. This should heal in a few weeks. After 6–12 weeks, the blister may turn into a small, weeping sore. If this happens, cover the site with gauze to allow air to get in.