Under 2019 RNTCP IAP Guidelines, the CAT II has been withdrawn.
This category included cases Relapses, Defaulters and treatment Failures.
All these categories of children shall now be evaluated as Drug Resistant TB suspects and investigated as per the Drug Resistant TB Algorithm and such children need to be referred to TB experts for proper evaluation.
Treatment regimen: In case they are found to be Drug sensitive they shall be started on as for a new case i.e. 2HRZE + 4 HRE
Drug Sensitivity based treatment shall be followed in those found to have any Drug Resistance.
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