Hi I Have Swelling In My Ankle Both Legs '

Hi
I have swelling in my ankle both legs ' swelling is also in my upper leg calf.
This started about 3 weeks back and is only active when walking or sitting , when I have my feet up or in bed asleep the swelling decreases there is little pain
I'm on blood pressure tablets and aspirin 25mm per day for blood pressure 5mm aspirin

Thanks in anticipation
Regards
Noel