Can this be mostly healed Monday?

Can this be mostly healed Monday?
Okay, I was changing the water filter this morning and I tried to take it out. It stuck like it always does so I pulled harder and I came out but did that to my hand in the process.
It hurts like hell. Do you think this will be mostly healed by Monday? And do you have any remedies to heal it faster?

i have a guitar lesson on Monday and I can't bend my finger because it hurts so bad, but I have to use it a lot for what I'm learning.
Can this be mostly healed Monday?
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