What Causes Blood Clots in Legs?

By Staff WriterLast Updated Mar 26, 2020 12:56:47 AM ET
Selena N. B. H./CC-BY 2.0

Blood clots in legs are caused by a number of factors, but the most common cause is not being active enough, according to Agency for Healthcare Research and Quality. Other causes of blood clots in legs include bad veins, recent surgeries, heart trouble, previous blood clots, paralysis and being65 years or older. The most common treatment options available for blood clots include a medication called Heparin as well as other medications prescribed by a doctor.