I have this thing on my hand where when I scratch it or if it gets scratched like by a paper cut, or just by someone else after a little while a bump comes on that spot and leaves after a couple of minutes. What is that and What can I do to prevent it?
Hi. Thanks for your query. Noted your history of getting bumps on the hand on scratching, or by a paper cut, and it disappears after a couple of minutes. The probable reasons are