Doctors overcorrect too often
Back when cholesterol target numbers ruled unopposed (before 2013), we all checked fasting lipids every three months. Before 2012, we also checked liver function quarterly in hapless riders on the cholesterol pill merry-go-round. That year the FDA announced there had not been enough reports of statin-induced liver problems to recommend routine monitoring.
I have many colleagues who still do this, and who also routinely monitor routine labs quarterly …