A nerve root block is an injection which contains a combination of local anesthetics, the epinephrine (also known as adrenalin) hormone, a steroid and a sedative (usually opioid). The process of using a nerve root block involves injecting it into the area where the spinal nerve ends. This is generally a image-guided technique of pain management and is of great help during childbirth. Let us discuss the function of each component of the nerve root block injection:
- The anesthetic: Anesthetics help in numbing body parts. This, in turn, helps in reducing pain to a great extent. The most common anesthetics used for the injection are Lidocain and Novocain.
- The hormone: Use of epinephrine leads to vasodialation, which is the constriction of blood vessels. This helps in delaying the spread of anesthetics.
- The steroid: Steroids help in reducing inflammation which is caused due to pain. Corticosteroids are the most common class of steroid hormones used in this pain management procedure.
- The sedative: Also known as psychoactive chemicals, sedatives are very popular pain killers. In the nerve root block technique, the sedative, opioid is generally used. It is one of the earliest known drugs and its bioactivity resembles morphines to a great extent.
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| Pain Management |
Preparing for the process of nerve root block:
Before you undergo the treatment procedure, your physician will ask you to not intake any food after midnight. But those who are undergoing medication for other problems, may take their medicines with a little amount of water. For diabetics, checking the blood sugar level is recommended prior to undergoing the treatment process. Also, if you are already having an allergic reaction or skin infection, it is better to let your doctor know about your medical condition.
After the treatment is over:
Sometimes just one shot of the injection is enough to combat pain. But, sometimes, the process needs to be repeated all over again. Your pain may subside just after the first dosage. But, sometimes steroids take a long time to show their effect. A slight tenderness of the operated area may persist. This can be taken care of by applying ice packs over these areas.
The risk factors and side effects associated:
The prime goal of nerve root block injection procedure is to reduce pain. But, a lot of problems may arise after the completion of the treatment procedure. Following are the risk factors and side effects related to this process –
- Internal bleeding
- Microbial infection
- Injury to the nervous system
- Allergy
- Continual numbness of the operated part
- Weakness
- Localized pain
If these problems persist for a very long time, it is always advisable to contact your physician or a pain management clinic.
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