What is the half-life of moxifloxacin?

The half-life of moxifloxacin is approximately 12 hours. Understanding the half-life is crucial for determining dosing frequency and how long the drug remains active in the body. Moxifloxacin, a fluoroquinolone antibiotic, is often prescribed for treating a variety of bacterial infections. Due to its relatively long half-life, it allows for once-daily dosing, which can improve patient adherence to the medication regimen.

This means that after 12 hours, half of the drug's concentration in the blood will typically be eliminated. The pharmacokinetic property of moxifloxacin ensures that therapeutic levels can be maintained while minimizing the frequency of administration, making it effective for treating infections without requiring multiple doses throughout the day.

Other options might suggest shorter half-lives, which would not adequately reflect the pharmacokinetics of moxifloxacin, potentially leading to more dosing times and complicating patient adherence. Thus, 12 hours is the correct and most clinically relevant answer in this context.