Wound on back of head - Online Doctor Chats

Doctor :   Hi
User :   I was shaving my head and I accidently cut myself.I started to bleed in the back area,I know that there are many head veins.Can something bad happen?
Doctor :  
How can i help you
Doctor :  
ok
Doctor :  
i will help you in this
Doctor :  
can i ask few questions
User :   yes please
Doctor :   wats your age
User :   i am 18
Doctor :  
did it bleed heavy ?
User :   it didn't,it stopped bleeding after a 2-3 minutes I think
Doctor :   ok
User :   that area is now a bit redish
Doctor :   did you immediately apply pressure over the bleeding spot
User :   i didn't,i applied a bit of betadine
Doctor :  
ok
Doctor :  
have you received tetanus injection
User :   i haven't,last shot was about 4 years ago.the razor was clean
Doctor :   You need the following treatment
User :   before shaving i always apply a bit surgical spirit on the razor
Doctor :  
1. cleaning the wound, application of antibiotic cream and dressing
Doctor :  
2. Tetanus injection
Doctor :  
3. also a course of antibiotics
Doctor :  
to be on safer side to prevent the infection of the scalp region