Mycobacterium tuberculosis


Airborne Precautions (N95)
Airborne Precautions (N95)

General Information

Pathogen information

Acid fast bacillus


Latent disease believed to affect >20% of world population.

Prevalence higher in developing nations and mimics HIV/AIDS distribution

Associated syndromes

In young children, usually primary disease such as acute/subacute pneumonia or disseminated disease.

Pulmonary - cavitating pneumonia, upper lobe pnuemonia, occasionally miliary

Extrapulmonary including lymph node disease, CNS infection, osteomyelitis (Potts), peritoneal and others.

Additional Information

Airborne Precautions

  • Confirmed or suspected pulmonary, laryngeal.

  • Maintain until TB ruled out OR until patient has received two weeks of effective therapy; is clinically improved and 3 negative sputa which can be taken a minimum of 1 hour apart

  • If multidrug-resistant TB, maintain until culture negative.

Routine Practices

  • Extra-pulmonary; meningitis, bone, joint infection, non draining lesions

  • Skin test positive with no evidence of current pulmonary disease, Latent tuberculosis infection (LTBI)

Consult ID for all TB disease.

Contact IPAC prior to discontinuing precautions.

MDR TB is defined as resistance to Rifampin and Isoniazid