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Doctor insights on: Non Contagious Tb

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Tb I had my skin test - redness 40 mm I will do the chest xray tomorrow! But am I contagious? What are the side effects of the treatment for TB?

Tb I had my skin test - redness 40 mm I will do the chest xray tomorrow! But am I contagious? What are the side effects of the treatment for TB?

If you are: Coughing, you are able to spread the disease. They may try to culture to see for check for variants. Standard drugs are inh/ethambutol. Duration of therapy is long. Side effects not too troubling. ...Read more

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Dr. Scott Lindquist
613 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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Why would a doctor give injections to make non contagious TB contagious? This is happening to my grandma, who is in her mid-80's.

Why would a doctor give injections to make non contagious TB contagious? This is happening to my grandma, who is in her mid-80's.

Misunderstanding?: This is not clear to me. There might have been a misunderstanding of the treatment and goal. It is best to discuss it with your grandma's doctor and ask your questions and ask for clear answers. It is best that all people involved have a clear understanding of the treatment. ...Read more

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Tb contagious if medicated?

Tb contagious if medicated?

If sputum infected: Tb remains contagious as long as you are coughing up sputum that still contains the bacteria. This can go on despite being medicated as it can weeks to months to clear the sputum. Submitting a monthly sputum sample will confirm when your sputum has cleared. ...Read more

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Is latent TB contagious?

No: Latent TB is exactly what it sounds like, latent. The body has sequestered the TB away in granulomas, and treatment is to eradicate the TB so that it doesn't pop out at a later point to cause disease. There should be no active disease with TB (or else it wouldn't be latent). ...Read more

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Is urinary TB contagious?

Is urinary TB contagious?

Depends: Tb is spread through the air from person to person when a person with TB in the lungs or throat coughs, sneezes or talks and another person breaths in the bacteria. People with urinary TB can also have TB outside of the urinary tract (i.e. The lungs or throat), which impacts their ability to infect others. Tb that is only in the urinary tract is rarely contagious. ...Read more

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Can a person with latent TB still be contagious?

No: No. People with latent TB aren't sick and they aren't coughing up TB bacteria. ...Read more

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If TB patients are on meds, are they contagious?

Tuberculosis: They can be for the first few weeks, but they generally stop being contagious after an average of 2 weeks on therapy. ...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. That's what the TB sanitariums of the 16-20th centuries were doing. ...Read more

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Is ocular TB contagious?

Is ocular TB contagious?

No...: But the reason for which you got ocular TB may infectious. ...Read more

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Is TB of thyroid contagious?

No: For TB to be contagious, you have to be coughing. The most contagious form of TB is TB of the larynx, followed by pulmonary TB (tb in the lungs). Tb involving other organs generally is not contagious. ...Read more

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My husband is diagnosed with lymph node tb 2 weeks ago. Then I have noticed lately my son and I is coughing. Was it contagious?

My husband is diagnosed with lymph node tb 2 weeks ago. Then I have noticed lately my son and I is coughing. Was it contagious?

Mgt: I would suggest that he have a screening exam and test for TB. TB is highly contagious.
Has he had a chest radiograph as yet? If not, it is indicated given his exposure and symptoms.
Monitor his temperature and check for any lymph node swelling in the meantime. ...Read more

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Is ocular TB contagious? Please suggest some good id specialists in new jersey area with experience in treating this condition

Is ocular TB contagious? Please suggest some good id specialists in new jersey area with experience in treating this condition

Probably Not.: I don't think so but other forms of TB are contagious so I would use careful contact precautions and hand washing until it is properly treated. UMDNJ in Newark (now part of Rutgers) is a registered TB center so I would probably contact their ID department because they probably have experience with this rare condition. ...Read more

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Fibronodular shadows seen in left apex. PPD is positive. Sputum smear = 0. No tb symptoms. Am I contagious or do I have a latent tb?

--T.B. Or Not T.B.--: Yes, it could be latent or something else plus the positive skin test, assuming you didn't get that TB vaccine (probably not, you'd most likely know that and it's not used for TB prevention in this country).And if it were TB, as long as you didn't have pulmonary symptoms (coughing a lot)then you wouldn't be a big danger to others. They'll probably treat you just to make sure there's no live TB around ...Read more

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If I have a positive PPD test but show no symptoms or anything of TB am I contagious to others? Or is only active TB disease contagious

If I have a positive PPD test but show no symptoms or anything of TB am I contagious to others? Or is only active TB disease contagious

Only active TB: A Positive PPD just means that you have been exposed to Tuberculosis. This is not always indicative of active disease. We considered active disease when the TB infection is in your lungs which causes severe cough, coughing up blood, night sweats, etc. Your doctor should order a chest xray to go along with your +PPD reading. This will insure that you are free from active disease. ...Read more

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My friends have really bad cough for one month. She recover to normal after that. But nw she is tested positove for tb. Is she contagious?

Depends: If she was positive for TB due to finding TB in her sputum, then yes, she is very contagious. However, if she has no TB in her sputum, and was positive on a skin test, then this is called latent TB infection; there is no contagion risk in this situation. ...Read more

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Bcg cystitis TB is active can it be contagious?

No: But you clearly want to see a TB expert. Your question is unclear. With contagious TB there would be the health department on the case to avoid infection to other people.

Something does not fit here. Check with your doc asap. ...Read more

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Is TB lymphadenitis contagious? Will it spread to fetus or will baby get TB in future? Is there a possibility of relapse after six months of treatment

Is TB lymphadenitis contagious? Will it spread to fetus or will baby get TB in future? Is there a possibility of relapse after six months of treatment

Tuberculosis in preg: When pregnant with active tuberculosis, you should be treated for at least 9 months total, regardless of your treatment start date, & through pregnancy. Your baby is at risk for serious problems if you do not get treated, and could even die. It is very important to take your medication exactly as prescribed, and if it does not work, to switch to a second line medication. Take Vitamin B6 daily. ...Read more

Dr. Klaus d Lessnau
1,212 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