trial, randomized controlled (RCT) An experimental design used for testing the effectiveness of a new medication or a new therapeutic procedure. Individuals are assigned randomly to a treatment group (experimental therapy) and a control group (placebo or standard therapy) and the outcomes are compared.
For an epidural: 1  The doctor injects medicine just outside of the sac of fluid around your spinal cord. This is called the epidural space.  The medicine numbs, or blocks feeling in a certain part of your body so that you cannot feel pain. The medicine begins to take effect in about 10 to 20 minutes. It works well for longer procedures. Women often have an epidural during childbirth.
2. Get help from a doctor now âº. Although it is: A very rare risk of doing epidural injections, it is very difficult to get nerve damage from an epidural injection. Go see your spine specialist, and inform him/her of your exact symptoms, and he/she will evaluate. But at times after an injection, you can temporarily have increased symptoms. But regarding nerve damage, that is a very very rare risk.