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Reflex Sympathetic Dystrophy

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Reflex Sympathetic Dystrophy
Read up informative facts on reflex sympathetic dystrophy or complex regional pain syndrome.

Also known as RSD, Reflex sympathetic dystrophy is a condition of severe pain, inflexibility, inflammation and discoloration of the hand. A disorder in the sympathetic (unconscious) nervous system leads to this condition. The sympathetic nervous system is associated with regulating of involuntary functions such as raised blood pressure, constricting blood vessels and increasing heart rate. This condition is also referred to as complex regional pain syndrome. Women are more likely to be affected by RSD than men.


Reflex Sympathetic Dystrophy indications


  • The pain that arises has a burning feeling.

  • There are muscle spasms and weakness.

  • The joints get painful and inflexible (arm/fingers/palm/shoulder). It becomes nearly impossible to move the affected part.

  • Stage 1 is very severe (acute stage) and involves tenderness, increased warmth and inflammation accompanied with excessive sweating and pain of that particular part/limb and the growth of hair and nails in that part is quicker. This stage lasts for a minimum of three months.

  • Stage 2 is called dystrophic stage, swelling is more prominent, wrinkles appear, nails get brittle and temperature of the skin goes down. Pain is felt more prominently and over a wider area and the affected part gets more sensitive and inflexible. This stage lasts for a period of about 12 months from the third month.

  • Stage 3 is referred to as the atrophic stage and sets in after the 1 year period of stage 2. The skin on the affected area gets more dehydrated, pale and glossy and appears stretched out. Stiffness is so high that a chance of recovering the lost motion is doubtful.

Reasons for reflex sympathetic dystrophy

The precise reasons for reflex sympathetic dystrophy are not clearly known though listed below are the common ones:


  • Aftermath of an injury

  • Surgery

  • Pressure on the nerve, infection, cancer, neck problems, stroke or heart attack lead to pain thereby stimulating sympathetic reflex and triggering off this condition.

  • Any nerve injuries can also cause this problem.

Diagnosis and treatment of reflex sympathetic dystrophy


Reflex sympathetic dystrophy is diagnosed when there is pain, swelling or change in color or increase or decrease of blood flow in the particular affected area. Skin changes and stiffness in joints are also possible indicators of reflex sympathetic dystrophy. Bone scan can reveal any increased circulation to the joints in the affected region. X-rays of affected region can show loss of minerals in the bones. Certain tests such as Thermography measure skin temperature and blood flow to affected parts as well as unaffected parts.

This disorder can be treated with medication, physical therapy and sometimes surgery. A combination of these is resorted to depending on the severity of the condition as a treatment procedure. Medications to treat bone-loss and pain may be prescribed. Hot and cold fomentation may give relief. Stimulation of the spinal cord and nerve endings by electrical current is done to relieve pain.

As the exact cause for reflex sympathetic dystrophy is not known, there is no particular method to avoid this condition. Reflex sympathetic dystrophy has to be treated at the early stage of onset itself else it could lead to severe stiffness of the affected area and might cause permanent damage. There are chances of the affected part getting set in a particular position itself due to tightening of the muscles.



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