Can infected person with inactive TB spread?
A person with latent TB infection (LTBI) cannot spread the bacteria to others right away. Only those who develop active TB disease can spread the bacteria to others.
How do you know if TB is active or inactive?
What is Latent TB Infection?
- Usually has a skin test or blood test result indicating TB infection.
- Has a normal chest x-ray and a negative sputum test.
- Has TB bacteria in his/her body that are alive, but inactive.
- Does not feel sick,
- Cannot spread TB bacteria to others.
Can someone with latent TB infect others?
Your tests show that you have latent TB infection, also referred to as “LTBI.” Latent TB infection means TB germs are in your body but it is like the germs are sleeping. The latent TB germs are not hurting you and cannot spread to other people.
How long does latent TB last?
What is the Difference Between Latent TB Infection and Active TB Disease?
| Latent TB Infection | Active TB Disease |
|---|---|
| Usually treated by taking one medicine for 9 months. | Treated by taking three or four medicines for at least 6 months. |
How long does it take to treat latent tuberculosis?
A course of antibiotic medicine will treat latent TB. You may be given Rifampicin and Isoniazid for three months (which may be together in a tablet called Rifinah) or Isoniazid by itself for six months. Your doctor or TB specialist nurse will talk you through the treatment and answer any questions you may have.
What is the treatment for latent TB infection?
As of 2018, there are four CDC-recommended treatment regimens for latent TB infection that use isoniazid (INH), rifapentine (RPT), and/or rifampin (RIF). All the regimens are effective. Healthcare providers should prescribe the more convenient shorter regimens, when possible.