What is this thing on my hand and what I should do?

It's a finger, you use it to manipulate things. How did you even get this far?

Your finger will be ok, it isnt black so i really think you will be fine.

Pop it dont be a bitch.
Video tho

>Yea Forums isn't licensed to practice medicine anymore*

We’ve had some ethical issues

Looks like a bite or a boil. See a doctor statim

Fuck it

looks like digital herpes

Nurse fag here. Go to a doctor sometime in the next few days or a urgent care if that finger gets infected you'll probably lose it

looks like a repost user

Looks like a spider bite. The rest of the hand is suffering from a fungal infection.