My MiL had/has a DVT in her leg. Not sure myself how different that is, but hers was pretty big. From her pelvis to her knee.
It was christmas 3 years ago she found out & is still having monthly or fortnightly BT & is still on warfarin.
I think once the swelling went down she started feeling better, but that took a month or 2 from what I remember.
I hope you feel better soon.