How to treat a grazed knee?

So clumsy me fell and grazed my knee pretty badly on Thursday but it’s not scabbing over, anyone here have any medical advice on how to treat it?

I originally didn’t cover it and it kinda scabbed over for two days because I wasn’t wearing anything on my legs but then I wore leggings over the weekend and the scab got stuck to them and peeled off (it bloody hurt like a b-ch) since then I’ve tried putting plasters on but they keep getting soggy with clear yellow liquid from the wound and it hurts so bad! I really don’t have time to see the doctors what can I do?

Thanks in advance!

P. s. excuse my hairy leg I’ve been shaving around the wound.
How to treat a grazed knee?
How to treat a grazed knee?
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