<prompt> Which of the following statements is not true about rifabutin as compared to rifampicin?It has longer half-life than rifampicinIt is more effective for newly diagnosed TB as compared to rifampicinIt has lesser incidence of drug interactions as compared to rifampicinIt is more effective against MAC as compared to rifampicin  <response>: Ans. B It is more effective for newly diagnosed TB as compared to rifampicinKatzung 13th817,820 RifampicinRifabutinHalf lifeShorterLongerCYP inhibition drug interactionsMarkedWeakEfficacy against Mycobacterium tuberculosisMoreLessEfficacy against MACLessMoreHepatotoxic potentialPresentAbsent 