i had an injury in my forearm 8 days back,took tetanus shot only after 24 hours but now there is redness,itching,swelling and slight numbness,i am using betadine lotion and taking ciplox from 2 days. is i am infected with tetanus ? i just don't remember when i had a tetanus shot, may be its 6 or 7 years back for sure. please tell me, how i can get relief ? if it is tetanus, what are the treatments? and if not please tell me the other causes.