Fall down from vehicle got scratches on skin

Wart is forming around neck, what to do n what is the reason of wart

I am having a lot of etching. My skins all became red after etching.

I am having big red spots on my hand they are very itching it is very irritating so which medicine should I take? It is mosquito bite

I have a boil near end of my buttock. It's really painful and causing trouble during potty. Can you suggest something?