No, 10 days is plenty enough for my strategy to maintain ON TRAIL. If I start taking it, because I believe I am infected and not just bitten (that's really important) - then I will seek those far more intelligent on the subject than I such as my personal physician (who is beyond genius). In this particular regard, I won't take medications longer than 10 days without the guidance of medical professionals who know and understand what's best, and who I trust to help me back to better health.
This is not an argument, it's a glimpse of MY strategy.