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Doctor insights on: Is Tuberculosis Contagious

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Dr. Scott Lindquist
609 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 do you suggest if my friend has tuberculosis.. contagious?

What do you suggest if my friend has tuberculosis.. contagious?

Active pulmonary: tuberculosis that is either not treated or ineffectively treated can be contagious. ...Read more

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Is spinal tuberculosis contagious can relative persons like kids and wife effected from?

Is spinal tuberculosis contagious can relative persons like kids and wife effected from?

Portal of entry: Pot's disease of the spine is enclosed and unless the area is opened for treatment and drainage, then that area is not contagious. The problem is the usual source is TB of the lungs and this is the source of spreading the disease especially to close contacts due to coughing and secretions. ...Read more

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Is lymph node tuberculosis contagious? And is it hard to cure?

Scrofula: Scrofula, or TB lymphadenitis, is not contagious. However, anyone with this diagnosis should also have additional medical workup to be sure there is no pulmonary TB (infection in the lungs) which is contagious. TB lymphadenitis is quite treatable, but it is important that tissue from the lymph nodes is sent for culture and susceptibility testing to be sure standard treatment is appropriate. ...Read more

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Need to know is tuberculosis contagious or is it the bacteria?

Need to know is tuberculosis contagious or is it the bacteria?

Yes.: Tuberculosis is caused by an infection with a bacteria called Mycobacterium tuberculosis. This bacteria can infect the lungs and other body sites. Tuberculosis is definitely contagious and can be spread from person to person. Tuberculosis can be a serious health problem and can require many months of therapy with multiple antibiotics to cure. Hope that this helps. ...Read more

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Is fibrotic pulmonary tuberculosis contagious?

Is fibrotic pulmonary tuberculosis contagious?

yes if active: Any form of active pulmonary tuberculosis can be contagious. Fibrotic only refers to the appearance on imaging. Active pulm TB can have many appearances including fibrotic, cavitary, nodular, etc. ...Read more

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What forms of tuberculosis are contagious?

What forms of tuberculosis are contagious?

Contagious: TB Disease from the lung/ larynx can be transmitted. Latent TB Infection is not contagious in that state. ...Read more

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What are the causes of tuberculosis? How contagious is TB and can breathing clean air help?

Complicated question: Tb is mycobacterium tuberculosis. There are more than sever related mycobacterium species though. It is contagious..Very in fact if you have active pulmonary disease. Other forms are less infective or pose no threat transmit at all like bone infection (pott's puffy tumor). Can breathing clean air help..Well..It won't hurt. Thats what the TB sanitariums of the 16-20th centuries were doing. ...Read more

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I have been diagnoses with tuberculosis lymphadenitis. Is it contagious? My chest X-ray was normal.

No,not contagious.: Was skin tuberculin test positive? Need to take INH 300 mg daily for at least 9 months. See a TB specialist if possible or infectious disease doc. ...Read more

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What do you suggest if my girlfriend has a "minimal tuberculosis". she's worried if I'm infected, is it contagious?

What do you suggest if my girlfriend has a "minimal tuberculosis". she's worried if I'm infected, is it contagious?

TB: yes TB is contagious but not highly contagious. If she really has TB that is active though you should go to the health department to be checked for free. ...Read more

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Hello doctor, I have tuberculosis on my Rt epididimo and Rt Testicle. Is it contagious and spreadable I mean am I harmful to others? I have done exploration of testis from renowned hospital.

TB treatment: TB can start in the lungs and spread to other organs or it can skip the lungs and spread to other organs. If you have had TB treatment you are not infectious. TB is usually an airborne infection and If your TB did not effect your lungs you would also be less likely to be infectious to others unless you had very close contact. ...Read more

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Is tuberculous meningitis contagious?

Is tuberculous meningitis contagious?

No: Tuberculosis in any other organ but the lung is not easily transmissible and not considered contagious. On the other hand, tuberculosis in the lungs is very contagious. ...Read more

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Hello, Right tuberculous pleural effusion has been diagnosed and having cough with sputum. Is it contagious?

Hello,  Right tuberculous pleural effusion has been diagnosed and having cough with sputum. Is it contagious?

Tuberculosis: Yes, with cough and productive of sputum you are. Until treated and sputum resolved, you need to stay in isolation if you are not already. ...Read more

Dr. Klaus d Lessnau
1,207 doctors shared insights

Tuberculosis (Definition)

A potentially serious infectious bacterial disease that ...Read more


Contagious (Definition)

One is able to transmit an infection to another by ...Read more