Childhood Diseases

Question
Posted by: Aya | 2010-11-12

Q.

16 MNTH OLD expose to TB

My new nanny started 2 weeks ago, and It is highly likely that she may have TB as she has been coughing and she says that she sweats a lot at night.

My 16 month old son started a very bad cough 4 days ago, I took him to a GP who gave him medication for a cold, but he said that if the nanny has TB, my son will have to go for the TB treatment for 4-6 months, whether he tests positive or negative for TB.

I would like to know the implications of my son testing positive or negative for TB.

Expert's Reply

A.

Paediatrician

Firstly your son has been imunised against TB at birth with his BCG vaccination.This should offer him some protection against catching TB.Then he has only been exposed to a possible TB carrier for a period of 2 weeks. TB is obviously infectious but rather slow in its onset. It is unlikely that he has developed TB already. Your son should have the TB test done. This will probably come up slightly positive due to his BCG, but if it is strongly positive he will need a chest XRay done. Only if TB test is strongly positive will it be advised that he be treated for TB for 6 months.

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