A 31-year-old man has gonorrhea. He has no drug allergies, but he recalls that a few years ago while in Africa he had acute hemolysis following use of an antimalarial drug. The physician is concerned that the patient has an accompanying urethritis due to C trachomatis, though no cultures or enzyme tests have been performed. Which of the following drugs is most likely to be effective against gonococci and to eradicate C trachomatis in this patient?

A 31-year-old man has gonorrhea. He has no drug allergies, but he recalls that a few years ago while in Africa he had acute hemolysis following use of an antimalarial drug. The physician is concerned that the patient has an accompanying urethritis due to C trachomatis, though no cultures or enzyme tests have been performed. Which of the following drugs is most likely to be effective against gonococci and to eradicate C trachomatis in this patient?

The primary reason for the use of drug combinations in the treatment of tuberculosis is to

This drug has been used prophylactically in contacts of children with infection due to Haemophilus influenzae type B. It is also prophylactic in meningococcal and staphylococcal carrier states. While the drug eliminates a majority of meningococci from carriers, highly resistant strains may be selected out during treatment

Chemical interactions between this drug and cell membrane components can result in the formation of pores lined by hydrophilic groups present in the drug molecule.

Which one of the following statements about flucytosine is accurate?