Following? what are you saying?
As far as I know there isn't a way to directly heal one. You just gotta wait it out.
But a good way to make it not feel itchy is to put tiger balm on it, or you can use a bandaid!
body fluids, always wear PPE.
Answer:
D. Bile
Another thing to note as well is that it also produces Dopamime which is how you get adicted to the substance and makes you feel good. But not in a good way at all.