hello mr,,,,iam dr.N..
thanks for the question..coumarin
drug used to make blood thinner and avoid clotting in certain conditions...with pts on anti coagulants even trivial trauma or pressures can cause bruises and bleeding for long if the doses are high,inr high,comorbid liver
problems,renal impairment,blood vessel abnormalities,blood dyscrasias...
so donot ignore consult your doctor get the coagulation profile and other investigations done ,,adjust the doses accordingly and get well soon
bye take care