I also got an epidural with kenalog and did not know the side effects could be so severe.I was weak and all my body hurt. i had insomnia, palpitations, anxiety dizziness. i felt like I was going to die. To stay upright took every ounce of strength. I had a holter monitering and tsh done because I did not know it was side effect i was having.It is six weeks later and i feel like I am going to pass out when i stand up.I have lower back pain and my knees are weak. I hope it passes soon because I have to work