i am a 32 year old female and last week i was taken to hospital and admitted and kidney stone got stuck in my urethra and infection started backing up , they had to put a stent in there to get the infection out …so now im out of the hospital and i am having problems from the site of IV the ambulance put a IV in my juggler vein and now a lot of pain is coming from there all the way up to the back of my head , my ear hurts muffled sounds in that ear black floating dots in my vision and my head hurts and i cant think straight. please tell me what you think is going on?