What is the duration of the initial RIPE phase?

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Multiple Choice

What is the duration of the initial RIPE phase?

Explanation:
The initial RIPE phase lasts about two months. This intensive period uses all four first-line drugs every day to rapidly reduce the bacterial load and prevent resistance. Eight weeks (roughly 56 days) gives enough time for the drugs to act on actively dividing TB bacilli and for the regimen to establish sterilizing activity. After this phase, patients typically enter a continuation phase with two drugs for several more months, bringing the total standard treatment to about six months for drug-susceptible TB. The other durations (four weeks, one month, or three months) are shorter or longer than the usual intensive period and don’t align with the standard regimen.

The initial RIPE phase lasts about two months. This intensive period uses all four first-line drugs every day to rapidly reduce the bacterial load and prevent resistance. Eight weeks (roughly 56 days) gives enough time for the drugs to act on actively dividing TB bacilli and for the regimen to establish sterilizing activity. After this phase, patients typically enter a continuation phase with two drugs for several more months, bringing the total standard treatment to about six months for drug-susceptible TB. The other durations (four weeks, one month, or three months) are shorter or longer than the usual intensive period and don’t align with the standard regimen.

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