Latent Tuberculosis Infection: A Guide for Primary Health Care Providers
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Diagnosis of Latent TB Infection
- Table 1: Differentiating Between LTBI and TB Disease
- Tests for TB Infection
- Tuberculin Skin Test
- Classification of Tuberculin Skin Test Reactions
- Interferon-Gamma Release Assays
- Special Considerations in Testing for TB Infection
- Figure 1: Two-Step Tuberculin Skin Test Method
- Other Diagnostic Considerations
Treatment of Latent TB Infection
- Treatment Regimens
- Table 2: Choosing the Most Effective Treatment Regimen
- Special Considerations in the Treatment of LTBI
- Adverse Effects of Drugs Used to Treat LTBI
- Patient Monitoring and Education during Treatment
- Assessing Adherence
- Techniques to Improve Adherence
- Post-Treatment Follow-Up
Appendix A: Sample TB Risk Assessment Tool
Appendix B: Identifying Persons from High-Risk Countries
Appendix C: Administration and Measurement of the TST
Appendix D: Certain Situations Where Results from Both TST and IGRA may be Useful
- Page last reviewed: May 12, 2013
- Page last updated: September 24, 2014
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