Friday, July 3, 2020 I haven’t written for about two months. One reason is that I’ve been busy taking care of my patients. Only three of my patients have contracted COVID, as far as I know. All have recovered. Many others may have had asymptomatic infections. But almost all of my patients have had important COVID-related questions and concerns. Another reason for the blogging pause is that for the last two months I haven’t known what to write, because I didn’t understand what was happenin...

Fluoroquinolones are the third most commonly prescribed family of antibiotics in the U.S. for adults, and, in my opinion, the second most fun to say (right behind aminoglycosides). Fluoroquinolones include levofloxacin (Levaquin), ciprofloxacin (Cipro), moxifloxacin (Avelox), ofloxacin, and delafloxacin. Their popularity is well earned; they’re very effective at treating certain bacterial infections. But since their discovery in the late 1970s, increasing concern has been raised about their ...