What Causes Stinging Pain In Veins Of Wrist?

Well one day i was Writing on my wrist ️️all the way At top. Close to my hand. I ️Was writing With a pen that has like sharpie ink. ️It wasnt writing very well. So i was pressing a little bit Hard. And than i came to This one spot and it Didnt hurt But When i Did it Again ️It ️Was stinging ínside my viens. And it Hurts when i press that spot ️Or sometimes when i doing someting. What Could Have ️It been ?