I scraped my foot 4 days ago and it's healing but for the past two days foot is swollen. when i elevate it gets better but stays indented if i push?

Possible infection : It is possible that you have an infection. I recommend seeing a doctor as soon as possible.

Infection: Swelling 4 days after an open wound injury could indicate an infection. It could also be due to injury of deeper tissues. See a podiatrist for a complete examination. If you are developing an infection, prompt antibiotics will lessen the chance of complications and permanent tissue damage, .