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Doctor insights on: Bcg Vaccine For Tuberculosis

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What are the disadvantages of the BCG vaccine against tuberculosis?

What are the disadvantages of the BCG vaccine against tuberculosis?

Always will be PPD+: Apart from the effectiveness debate, those who receive BCG as TB vaccine will always be ppd+ (or be hypersensitive to ppd) which can require imaging such as chest xrays to prove that there is no active disease, when previously a negative PPD would suffice. ...Read more

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Dr. Scott Lindquist
604 doctors shared insights

Mycobacterium Tuberculosis Infection (Definition)

Mycobacterium tuberculosis is an infectious organism that spreads by droplets coughed out by an infected person. Infection is established initially in lungs, but can spread within lungs & to other body parts, or can become latent, with reactivation occurring years to decades later. With effective treatment, it can be completely eliminated although drug resistant ...Read more


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What are the positive benefits of the BCG vaccine against tuberculosis?

What are the positive benefits of the BCG vaccine against tuberculosis?

Active TB prevention: The major role of BCG vaccine is TB prevention. Bcg vaccine is also effective for protection against leprosy and disease due to nontuberculous mycobacteria. The efficacy of bcg-protection against active tb- is about 50%, and the duration of protection is believed to be 10 to 15 years. ...Read more

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Why isn't the BCG vaccine given in the usa?

Why isn't the BCG vaccine given in the usa?

TB is rare here: The use of bcg in areas where TB in relatively common does slow the spread of the problem.However, TB has been rare in the us for many decades & the need for such a vaccine has not shown a true benefit. ...Read more

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Can a kid get TB even after he has been given the BCG vaccine?

Can a kid get TB even after he has been given the BCG vaccine?

Yes: Bcg vaccine given in childhood can prevent a fair amount of extra pulmonary TB in children. It has never been used routinely in the usa for a variety of reasons, only some of which are reasonable. ...Read more

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Can baby get TB from someone who has recieved the BCG vaccine?

Can baby get TB from someone who has recieved the BCG vaccine?

Evaluation: Individuals who are vaccinated with BCG though can still get TB, since the protection by the vaccination decreases over time,. Babies have immature immune systems, so if there is any doubt, a TB test can be performed. ...Read more

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Bcg vaccine but no sign of red dot or swelling is that normal?

Bcg vaccine but no sign of red dot or swelling is that normal?

Normal no: Usually get small reaction after shot. Some might not. The natural course after BCG is after 6 to 8 weeks swelling appears that grows can exude fluid , ulcerate then scar. Now the scar is the most simple and convenient way to see successof vaccine. Rarely there might not be a scar but if there is no scar after 6 months see ur dr to do a mantoux TB test, if it is negative probably repeat bcg. ...Read more

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What're the advantages and disadvantages of the BCG vaccine for tb?

What're the advantages and disadvantages of the BCG vaccine for tb?

BCG VACCINE: Bcg vaccine is still being given to new born babies in several countries .It is effective in protecting againt TB meningitis in children but its effectiveness against pulmonary tuberculosis is variable usa and holland have never used it routinely, due to surveilance with monyoux test disadvantages except making difficult to interpret motoux test in us, and not very effective for pulmonary tuberculo. ...Read more

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My 4 week old has large amount of pus in bcg vaccine is that normal?

My 4 week old has large amount of pus in bcg vaccine is that normal?

Pus means infection: A large amount of pus could mean infection which is one of the complications of vaccines. It needs to be checked by a doctor. ...Read more

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Bcg vaccine caused no sign of red dot or swelling. So is that normal?

Bcg vaccine caused no sign of red dot or swelling. So is that normal?

Bcg vaacine: If your question is that you have had BCG vaccine and your PPD test did not show any red dot or swelling, that means you do not need any further testing, you do not have any evidence of tb. ...Read more

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Is it worth getting the BCG vaccine for a teen going to india on exchange?

Is it worth getting the BCG vaccine for a teen going to india on exchange?

BCG VACCINE: Bcg vaccine is not recommended in us.But if your teenage child is going to be in high risk contact with TB patients, like working or studying in healthcare field, only than it may be justified. ...Read more

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Is that normal to swallon with pus yhe site of BCG vaccine in child with 3 month old?

Is that normal to swallon  with pus yhe site of BCG vaccine in child with 3 month old?

Not Normal: It is never normal to have pus at site of a vaccination even bcg (not used in america). See your doctor asap. Baby may have developed abscess or pyomyositis from contaminated needle. A little swelling can bee see, but pus is a no no. ...Read more

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If a child from foreign country test positive for Monteux but no symptom, should she be given TB meds or is BCG vaccine enough?

Needs treatment: Best to go to a TB clinic for consultation but if PPD is positive and cxray and exam normal, then needs 6-9 months of INH. I think what you are asking with someone from abroad, if they had BCG then they may have a false positive mantoux. However we do not vaccinate someone with BCG when they have a positive mantoux as treatment ...Read more

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What does BCG in "bcg vaccine" stand for?

What does BCG in "bcg vaccine" stand for?

Bcg: bcg stands for Bacillus Calmette–Guérin... Calmette and Guérin are the last names for whom the vaccine is named. ...Read more

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What are the advantages and disadvantages of the BCG vaccine if going to india for a year?

What are the advantages and disadvantages of the BCG vaccine if going to india for a year?

Bcg vaccine abroad: It will give you only false security, it is not effective in preventing tuberculosis and is not recommended you should however all other pracautions and on your return get matoux test done and if turns positive to take prophylaxis treatment. ...Read more

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Why BCG vaccine cause blister?

Why BCG vaccine cause blister?

Normal Reaction: It is normal reaction to the vaccine.You get bluish red papule which may look like a blister 2to3 weeks after the vaccination.After about 6 weeks the pustule ulcerates forming a lesion approx. 5 mm in diamneter. Scab forms and heals usually withn 3 months after vaccination and results in a permanent scar at the puncture site ...Read more

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Can a kod who has taken BCG vaccine get TB from another TB patient?

Can a kod who has taken BCG vaccine get TB from another TB patient?

Tab exposure: Even though you've had bcg and if you had an overwhelming exposure you may get tab. This is especially true if you friend has cavitarytb. ...Read more

Dr. Mark Diamond
1,077 doctors shared insights

Vaccinations (Definition)

Latin word for cow, vacca, because of the smallpox/cowpox work of edward jenner, vaccination is the administration of a substance, live organism or otherwise, that stimulates the immune response to prevent a specific disease. Primarily a preventative procedure, some vaccines can ...Read more


Dr. Mark Diamond
1,091 doctors shared insights

Immunization (Definition)

The body is artificially exposed to a dead or weakened organism of a type able to cause disease. The body fights the organism and learns to protect itself, so disease will not develop if exposed to ...Read more