i had a cortisone injection in my knee on tues 24th june 2008..to...

i had a cortisone injection in my knee on tues 24th june 2008..to help with arthritis pain..its now 5 days later ...and i feel ill ....my knee is very painful ...all up and down my leg is so stiff ...i cannot bend it .and it feels so heavy ...i cannot lift it up without holding it to do so ...i feel sick ...my whole body just feels ill ....thats how i describe it ...i feel depressed ...and feel hot and keep flushing up in my face...im having difficulty sleeping due to all these feelings...when oh when will it start to go away ...all the pain and stiffness...i wish i hadn't had it done stiffness