Suggest Treatment For Soreness In Temple Region After An Injury

My friend hit me in the head with pen..on the temple. I know its sensitive there so thats why im freaking out and crying and my moms not home so im scared. Its just throbbing though...not REALLY REALLY painful throbbing eaither..just kinda sore you know? Im not dizzy and my vision is fine. i dont think its swollen and if it is its not very swollen at all..Im just really scred and need comfort