First of all, wash it with soap and bandage it, and tell your parents または friend about it. then あなた could consider getting a tetanus shot, but i dont know much about it. its probably nothing, but あなた could still get it checked out.
Once i had a rusty nail go into my arm n i had to get a tetanus shot. あなた may not like shots but its worth it. あなた dont want it to cuz もっと見る damage (problems) then necessary.
It's good アドバイス to clean it and put a bandage または bandade on it. If niether あなた または your parents remember when your last Tenus shot was, then it's better 安全, 安全です and get one than to be sorry later.
