Thanks for the query.
Dont worry it is quiet common ti develop bruise
when you are on warfarin
You can meet your doctor tomorrow.
There is no emergency.
Usually it takes around 2 weeks for the bruise to heal,
you can use oint thrombophobe to get a faster relief.
A photograph would have helped me better.
Please meet a dermatologist
for exact diagnosis.
Let me know if you have any other doubt.
you can ask a direct question to me on this forum, following the below link.
Wishing you a good health.