Regulating Blood ThinnersOne of the most unpredictable drugs that we prescribe as physicians is the blood thinner warfarin, well known as coumadin. 
Monitoring Blood Thinners May Be Safely Done at HomeMonitoring blood thinners, such as Coumadin, has usually been done in a clinical setting but at-home monitoring systems – not unlike those used by diabetics to monitor blood sugar levels – may be safe and effective.