Imagine that you have a minor injury to your arm. Or a sprained leg. Usually, this pain should subside in a few days. But what if the pain gets worse and worse, and becomes unbearable? What if you feel unbearable pain even when you put on a piece of clothing? That's what we're talking about today. This can sometimes occur after a minor injury, a heart attack , or a stroke.
What is RSD?
Simply put, RSD, or Reflex Sympathetic Dystrophy Syndrome, is a somewhat outdated term that doctors no longer use. The official name for this condition is now Complex Regional Pain Syndrome , or CRPS for short. RSD is one type of CRPS (Type I). In this case, this severe pain is caused by an injury to the body's tissues, without any nerve damage.
The most important thing is that the pain is much worse and more incommensurable than the original injury. It's like having months of unbearable pain from a minor scratch.
Why is this happening? What is the reason?
Although the exact cause of this is still unknown, doctors believe that it is caused by a problem with our body's sympathetic nervous system.
Think of this nervous system as a defense system in our body. When you get injured, this system signals the blood vessels to constrict. This reduces the amount of blood flowing from the injured area. Then, it signals the blood vessels to open up again to provide the nutrients needed to heal the wound.
But what happens to someone with RSD is that this defense system gets a little 'confused'. When there's an injury, the blood vessels constrict, but they don't get the signal to open up properly. That means the system is 'turned on' and not 'turned off' again . That's when the injury site becomes swollen with severe pain.
This condition is slightly more common among women . Although it can also develop in children, it is most common in people between the ages of 30 and 60.
What are the symptoms of this condition?
RSD symptoms don't come on suddenly, they come on gradually. The initial pain can increase over time. Sometimes you may not even realize that this is unusual pain at first.
Minor incidents that may occur with RSD:
- Fractures
- Sprains
- Bruises
- Burns (Bu RNS )
- Minor surgery
- Needle sticks
- Radiation therapy
This condition often occurs in areas such as the arm, shoulder, leg, or hip. The pain may also spread beyond the site of the injury.
| Symptom category | Things to see |
|---|---|
| Nature of pain | Burning, stinging, deep aching, throbbing. Persistent pain. |
| Skin changes | The injured area becomes red, swollen, and feels warm to the touch. The skin turns white, blue, or red. |
| Hypersensitivity | Feeling intense pain even from things that normally don't hurt (water falling, clothing rubbing against the body). |
| Problems with movement | Muscle weakness or tremors, stiff joints, difficulty moving the arm/leg due to pain. |
| Other features | Excessive sweating only in the affected area. Changes in hair or nail growth. |
How do you find this, Doctor?
Often, it's difficult to immediately pinpoint RSD as the cause of your pain. Your doctor may only suspect it when you report that you have pain that is worse than the injury and that doesn't go away.
There is no single definitive test to confirm whether this is RSD.
Instead, your doctor will make a preliminary diagnosis based on a thorough examination of you and your medical history. In addition, they may also perform several tests that provide further clues about the condition.
- Bone Scan: This test helps to see if the ends of the bones are worn away and if there are any problems with blood circulation.
- MRI (Magnetic Resonance Imaging): An MRI can be done to look for subtle changes inside the body, especially in tissues.
- Sweat test: This checks to see if one side of the body sweats more than the other.
- Thermography test: Checks whether the temperature or blood supply of the affected area is different from other parts of the body.
- X-rays: In more advanced cases, an X-ray is performed to see if there is a loss of minerals in the bones.
What are the treatments?
The most important thing in this disease is to diagnose the disease and start treatment as soon as possible . The sooner you start, the better the outcome. Although there is no specific cure for RSD, many of the symptoms can be controlled and cured.
A combination of several treatment methods is usually used.
| Treatment method | Description |
|---|---|
| Medications | Painkillers (e.g. Ibuprofen, Naproxen), anti-seizure medications, antidepressants (helps control pain), ointments such as Lidocaine, nasal sprays that strengthen bones. |
| Nerve blocking injections | An injection near the nerve that causes pain, to temporarily stop pain signals from reaching the brain. |
| Physical Therapy | One of the most important treatments. Gently moving the affected arm/leg helps strengthen the muscles and reduce pain. |
| Psychotherapy | Learning relaxation methods can help you manage the stress and anxiety that comes with living with chronic pain. |
| Other treatments | Electrodes are placed on the spinal cord and sent electrical signals to reduce pain, and splints are worn for arm pain. |
| Surgery | If no other treatment relieves the pain, your doctor may recommend a surgery called Sympathectomy as a last resort. |
Particularly noteworthy drugs
Strong painkillers such as corticosteroids (e.g., Prednisolone) and Opioids (e.g., Morphine, Fentanyl) are used very rarely and only under the strict supervision of a doctor due to their side effects and risk of addiction.
Take-Home Message
- RSD or CRPS is not something you imagine, it is a real, painful condition.
- This pain is much worse than the original incident or injury. This is the main symptom.
- Early diagnosis and treatment can lead to better outcomes. So, don't ignore unusual pain.
- Because this is a complex condition, treatment involves a combination of medications, physical therapy, and psychological counseling.
- Always talk to your doctor about any persistent, unusual pain in your body.
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