It's normal to have swelling. This is Becoz of deconditioned muscles around ankle due to long rest..Start working on ankle stretches and strengthening exercises over a period of 3-4weeks pain n swelling will come down
Next Steps
if pain doesn't subside even after exercising for 3 weeks then consult your orthopedic doctor
Health Tips
keep pillow below your ankle while sleeping ,avoid long hours of sitting and standing till swelling comes down