Have you been suffering from back pain for a long time? Or do you suffer from a condition called 'sciatica', which is like a shooting pain down your leg? Maybe your doctor has told you about a special injection in your back, an 'epidural' or a 'steroid injection'. It's normal for many of us to feel a little scared and nervous when we hear a name like this. "Oh, even though I'm injecting you in the back, will something happen to your spinal cord?", "Will this hurt a lot?", "Will I be unable to walk after this?" You probably have many questions in your mind. So today we are talking about the Transforaminal Epidural Steroid Injection , which is a very effective treatment for back pain, but there is no reason to be afraid of it. We will talk about everything from A to Z in a simple way that you can understand.
Simply put, what is this Transforaminal Epidural Steroid Injection?
Don't be alarmed by this long name. Let's break it down word by word. Then you'll understand how simple it is.
- Transforaminal: This means 'through the foramen'. Now you may be asking 'What is this foramen?' Imagine that your spine is made up of a stack of vertebrae, like bricks stacked on top of each other. Between these vertebrae, on either side, there are small 'doors' like holes for the nerves that go to other parts of our body (arms, legs). That door through which those nerves come out is called a ``Foramen''. So 'Transforaminal' means 'through that door' .
- Epidural: Our spinal cord is a very important and sensitive thing. That's why there is a thick 'protective sheath' around it to protect it. We call this `(Dura Mater)`. 'Epidural' refers to the space 'outside this protective sheath' .
So, putting all of this together, a Transforaminal Epidural Steroid Injection is an injection of a steroid medication through the foramen where the nerves exit the spinal cord and into the space outside the protective sheath surrounding the spinal cord (the epidural space).
The most important thing is that this injection is never injected into your spinal cord or directly into a nerve. Instead, the medicine is injected into a safe area around the inflamed nerve that is causing the pain. So there is no reason to be unnecessarily afraid.
Another special feature of this treatment is that the doctor injects this injection with the help of an X-ray machine. We call this ``(Fluoroscopy)``. The needle is inserted while watching it, like a 'live video'. Therefore, the medicine can be injected right next to the problem nerve, without moving even a millimeter.
What kind of problems is this injection useful for?
This injection is mainly used to relieve pain caused by compression or swelling of a nerve in the spinal cord. You can get a good idea of this from the table below.
| Condition | A simple explanation |
|---|---|
| Lower Back Pain | Back pain caused by nerve compression, which has been present for a long time. |
| Sciatica | Burning, numbing pain that feels like electricity running from the back through the buttocks down the leg. |
| Herniated Disk | A disc between two vertebrae bulges out and presses on a nerve. We call this a 'spinal nerve compression'. |
| Spinal Stenosis | Nerve compression due to narrowing of the spinal cord with age. |
| Foraminal Stenosis | That 'foramen' we talked about earlier, where the nerve exits, narrows and compresses the nerve. |
| Other situations | Nerve pain caused by conditions such as scoliosis and bone spurs. |
Where in the back is this injection given?
The injection site depends on where your pain is located. There are three main types.
- Lumbar shot: This is the most common type. It is given for back pain and sciatica, which are caused by a pinched nerve in the lower back (lumbar region).
- Thoracic shot: This shot is given if you have pain in the middle of your back, that is, at the chest level, or if the pain spreads to the chest or abdomen.
- Cervical vaccine: This type of vaccine is given for conditions such as neck pain, pain radiating down the shoulder into the arm, or numbness in the hand caused by a pinched nerve between the vertebrae in the neck.
How does the procedure work? Should I be afraid?
This is the biggest problem that many people have. Let's take a step-by-step look at this process.
1. Preparation: You will be made to lie on your stomach on a special bed with an X-ray machine.
2. Numbing the area: Before the injection, the area is cleaned and a small injection of ``Local Anesthesia`` is given to numb the skin. At this time, you may feel a slight burning sensation, like being bitten by an ant. This will go away in a few seconds.
3. Sedation: If you are very nervous or anxious, at your request, you may be given IV sedation to help you relax and feel a little drowsy. This will make you sleepy, but you will still be alert enough to talk to your doctor. You can discuss this with your doctor in advance.
4. Injection: Then, while looking at the X-ray monitor, the doctor will carefully insert a thin needle into the area where the nerve is causing the pain. You may feel a slight pinch at this point, but not much pain.
5. Injection: After confirming that the needle is in the correct place, the doctor will inject a mixture of a numbing medicine that quickly reduces pain and a steroid that reduces swelling and provides long-term relief.
This entire process usually only takes a short time, about 30 minutes .
What do you do after the injection?
After the treatment, you will be asked to rest for a while, and then you will be allowed to go home. Go home and take care of these things.
- You can take your normal food, drinks and other medications as before.
- Most importantly: Do not drive for 12 hours after getting the vaccine, as you may experience some numbness or weakness in your legs.
- Avoid heavy lifting and strenuous exercise that day.
- You can resume your normal activities from the next day.
Important: It can take a few days to two weeks for the steroid to fully work and for you to feel your best. So don't be alarmed if your pain doesn't go away right away. If your pain doesn't go away after two weeks, see your doctor again.
How long will this treatment last? How many times can it be done?
This varies from person to person. Some people get relief in a few weeks , while others go without pain for months . If this treatment is successful for you, you can get the vaccine again if the pain recurs, as advised by your doctor.
Generally, it is considered safe to receive between 3 and 6 injections per year. However, keep in mind that if your pain does not improve after two or three injections, it is unlikely that further injections will be effective. In such cases, your doctor will advise you about alternative treatments.
Are there any side effects? Should I be worried?
The risk of serious complications with this treatment is very low. Bleeding, infection, or nerve damage at the injection site are very rare.
However, some minor side effects may occur.
- Temporary numbness or weakness in the legs or feet.
- Feeling dizzy.
- Headache.
Most of these side effects go away completely within a few hours, so there's no need to worry too much about them.
When do you suddenly need to call the doctor?
If you experience any of the symptoms listed below, notify your doctor immediately. It is important to seek medical advice promptly in such cases.
| Feature to pay attention to | Description |
|---|---|
| Side effects persist | If things like numbness and weakness have been present for more than a day. |
| New pain | If you experience new pain that was not present before the injection. |
| Increased pain | If your old pain gets worse after the injection. |
| Signs of infection | Symptoms such as fever, swelling, redness, or warmth at the injection site. |
Take-Home Message
- Transforaminal Epidural Steroid Injection is a very effective and safe treatment for nerve pain that radiates down the back, neck, and legs.
- This vaccine is not injected directly into the spinal cord or nerve, but into a safe space around it.
- Because it is done under X-ray guidance, the ability to deliver the medicine precisely to the target is greater.
- The risk of serious side effects is very low. Minor side effects usually go away within a few hours.
- The pain relief from this treatment can last for many months.
- Feel free to talk to your doctor about whether this treatment is right for you or not, and about any questions you may have about it.
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