Raynaud’s Disease

Raynaud’s disease is a rare disorder of the blood vessels, usually in the fingers and toes.

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It causes the blood vessels to narrow when you are cold or feeling stressed.

When this happens, blood can’t get to the surface of the skin and the affected areas turn white and blue. When the blood flow returns, the skin turns red and throbs or tingles. In severe cases, loss of blood flow can cause sores or tissue death.

Primary Raynaud’s happens on its own. The cause is not known. There is also secondary Raynaud’s, which is caused by injuries, other diseases, or certain medicines.

People in colder climates are more likely to develop Raynaud’s. It is also more common in women, people with a family history, and those over age 30.

Treatment for Raynaud’s may include drugs to keep the blood vessels open.

THERE ARE ALSO SIMPLE THINGS YOU CAN DO YOURSELF, SUCH AS

  • Soaking hands in warm water at the first sign of an attack
  • Keeping your hands and feet warm in cold weather
  • Avoiding triggers, such as certain medicines and stress

 

Risk Factors

The risk factors for primary Raynaud’s (Raynaud’s disease) and secondary Raynaud’s (Raynaud’s phenomenon) are different.

THE RISK FACTORS FOR PRIMARY RAYNAUD’S INCLUDE:

  • Gender. Women are more likely to have primary Raynaud’s than men.
  • Age. Primary Raynaud’s usually develops before the age of 30.
  • Family history. Primary Raynaud’s may occur in members of the same family.
  • Living in a cold climate. Cold temperatures can trigger Raynaud’s attacks.

THE RISK FACTORS FOR SECONDARY RAYNAUD’S INCLUDE:

  • Age. Secondary Raynaud’s usually develops after the age of 30.
  • Certain diseases and conditions. For example, diseases that directly damage the arteries or damage the nerves that control the arteries in the hands and feet may cause secondary Raynaud’s.
  • Injuries to the hands or feet.
  • Exposure to certain workplace chemicals, such as vinyl chloride (used in the plastics industry).
  • Repetitive actions with the hands, such as typing or using vibrating tools.
  • Certain medicines, such as migraine, cancer, cold/allergy, or blood pressure medicines.
  • Smoking.
  • Living in a cold climate.

 

Causes

There are two main types of Raynaud’s—primary and secondary.

In primary Raynaud’s (also called Raynaud’s disease), the cause isn’t known. Primary Raynaud’s is more common and tends to be less severe than secondary Raynaud’s.

Secondary Raynaud’s is caused by an underlying disease, condition, or other factor. This type of Raynaud’s is often called Raynaud’s phenomenon.

MANY THINGS CAN CAUSE SECONDARY RAYNAUD’S. EXAMPLES INCLUDE:

  • Diseases and conditions that directly damage the arteries or damage the nerves that control the arteries in the hands and feet
  • Repetitive actions that damage the nerves that control the arteries in the hands and feet
  • Injuries to the hands and feet
  • Exposure to certain chemicals
  • Medicines that narrow the arteries or affect blood pressure

DISEASES AND CONDITIONS

Secondary Raynaud’s is linked to diseases and conditions that directly damage the arteries. The disorder also is linked to diseases and conditions that damage the nerves that control the arteries in the hands and feet.

For example, Raynaud’s occurs in most people who have scleroderma. It also is a common problem for people with lupus.

OTHER EXAMPLES OF DISEASES AND CONDITIONS THAT CAN CAUSE RAYNAUD’S INCLUDE:

  • Rheumatoid arthritis
  • Atherosclerosis
  • Blood disorders such as cryoglobulinemia and polycythemia
  • Sjögren’s syndrome, dermatomyositis, and polymyositis
  • Buerger’s diseass
  • Thyroid problems and pulmonary hypertension

REPETITIVE ACTIONS

Repetitive actions that damage the arteries or the nerves that control the arteries in the hands and feet may lead to Raynaud’s.

Typing, playing the piano, or doing other similar movements repeatedly over long periods may lead to secondary Raynaud’s. Using vibrating tools, such as jackhammers and drills, also may raise your risk of developing Raynaud’s.

HAND OR FOOT INJURIES

Injuries to the hands or feet from accidents, frostbite, surgery, or other causes can lead to Raynaud’s.

CHEMICALS

Exposure to certain workplace chemicals can cause a scleroderma-like illness that’s linked to Raynaud’s. An example of this type of chemical is vinyl chloride, which is used in the plastics industry.

The nicotine in cigarettes also can raise your risk of developing Raynaud’s.

MEDICINES

Certain medicines can cause secondary Raynaud’s, including:

  • Migraine headache medicines that contain ergotamine.
  • Certain cancer medicines, such as cisplatin and vinblastine.
  • Some over-the-counter cold and allergy medicines and diet aids.
  • Beta blockers. These medicines slow your heart rate and lower your blood pressure.
  • Birth control pills. These medicines can affect blood flow.

 

Symptoms

People who have primary Raynaud’s (Raynaud’s disease) or secondary Raynaud’s (Raynaud’s phenomenon) can have attacks in response to cold temperatures or emotional stress.

Raynaud’s attacks usually affect the fingers and toes. Rarely, the attacks affect the nose, ears, nipples, or lips.

During a Raynaud’s attack, the arteries become very narrow for a brief period. As a result, little or no blood flows to affected body parts. This may cause these areas to:

  • Turn pale or white and then blue
  • Feel numb, cold, or painful
  • Turn red, throb, tingle, burn, or feel numb as blood flow returns to the affected areas

Raynaud’s attacks can last less than a minute or as long as several hours. Attacks can occur daily or weekly.

Attacks often begin in one finger or toe and move to other fingers or toes. Sometimes only one or two fingers or toes are affected. Different areas may be affected at different times.

Severe secondary Raynaud’s can cause skin sores or gangrene. “Gangrene” refers to the death or decay of body tissues. Fortunately, severe Raynaud’s is rare.

 

Diagnosis

Your doctor will diagnose primary Raynaud’s (Raynaud’s disease) or secondary Raynaud’s (Raynaud’s phenomenon) based on your medical history, a physical exam, and test results.

MEDICAL HISTORY

Your doctor may ask about your risk factors for Raynaud’s. He or she also may ask about your signs and symptoms when you’re exposed to cold temperatures or stress.

For example, your doctor may ask whether your fingers or toes:

  • Feel numb or painful when they’re exposed to cold temperatures
  • Turn white or blue, or both, when they’re exposed to cold temperatures

Your doctor will look at your fingers and toes to check the health of your skin and nails and to check blood flow to these areas.

Your doctor also may do a more complete physical exam to check for signs of diseases and conditions that are linked to secondary Raynaud’s.

DIAGNOSTIC TESTS AND PROCEDURES

A cold stimulation test can be used to trigger Raynaud’s symptoms. For this test, a small device that measures temperature is taped to your fingers. Your hands are then exposed to cold—they’re usually briefly put into ice water.

Your hands are then removed from the cold, and the device measures how quickly your fingers return to their normal temperature. If you have Raynaud’s, it may take more than 20 minutes for your fingers to return to their normal temperature.

 

Treatment

Primary Raynaud’s (Raynaud’s disease) and secondary Raynaud’s (Raynaud’s phenomenon) have no cure. However, treatments can reduce the number and severity of Raynaud’s attacks. Treatments include lifestyle changes, medicines, and, rarely, surgery.

Most people who have primary Raynaud’s can manage the condition with lifestyle changes. People who have secondary Raynaud’s may need medicines in addition to lifestyle changes. Rarely, they may need surgery or shots.

If you have Raynaud’s and develop sores on your fingers, toes, or other parts of your body, see your doctor right away. Timely treatment can help prevent permanent damage to these areas.

LIFESTYLE CHANGES

Lifestyle changes can help you avoid things that may trigger a Raynaud’s attack.

To protect yourself from cold temperatures:

  • Wear a hat, mittens (rather than gloves), scarf, coat with snug cuffs, and warm socks and shoes during cold weather. Layer your clothing for extra warmth.
  • Put hand and foot warmers in your mittens, boots, socks, or pockets. Some warmers are small heat packs, and others are battery-operated.
  • Turn down air conditioning or dress warmly while in an air-conditioned space.
  • Warm up your car before driving in cold weather.
  • Wear gloves or mittens when taking food out of the refrigerator or freezer (if cold temperatures severely affect you).

Try to avoid things that make you upset or stressed. Learn ways to
handle stress that you can’t avoid. Physical activity helps some people cope with stress. Other people listen to music or focus on something calm or peaceful to reduce stress. Some people learn yoga, tai chi, or meditation.

Try to avoid workplace and recreational triggers. For example, limit the use of vibrating tools, such as drills. Wear proper protective gear if you work with industrial chemicals. Also, try to limit repetitive hand actions, such as typing or playing the piano.

SOME MEDICINES CAN TRIGGER RAYNAUD’S ATTACKS. EXAMPLES INCLUDE:

  • Migraine headache medicines that contain ergotamine. This substance causes your arteries to narrow.
  • Certain cancer medicines, such as cisplatin and vinblastine.
  • Over-the-counter cold or allergy medicines or diet aids. Some of these medicines can narrow your arteries.
  • Beta blockers. These medicines slow your heart rate and lower your blood pressure.
  • Birth control pills. These medicines can affect blood flow.

Other lifestyle changes also can help you avoid Raynaud’s attacks. For example, include physical activity as part of your healthy lifestyle. Physical activity can increase your blood flow and help keep you warm.

Limit your use of caffeine and alcohol. These substances can trigger Raynaud’s attacks. If you smoke, quit. Smoking makes Raynaud’s worse. Ask your doctor about programs and products that can help you quit. Also, try to avoid secondhand smoke.

YOU ALSO CAN TAKE STEPS TO HELP STOP RAYNAUD’S ATTACKS WHEN THEY OCCUR. FOR EXAMPLE:

  • Move to a warmer spot, such as indoors, during cold weather.
  • Warm your hands or feet. Place your hands under your armpits. Soak your feet or hands in warm water.
  • Wiggle or massage your fingers and toes.
  • Move your arms in circles or shake your arms or feet.
  • Get out of stressful situations and try relaxation techniques.

If you have Raynaud’s, be sure to take care of your hands and feet. Protect them from cuts, bruises, and other injuries. For example, wear properly fitted shoes and don’t walk barefoot. Use lotion to prevent your skin from drying and cracking. Also, avoid tight wristbands and rings.

If lifestyle changes don’t control Raynaud’s, you may need medicines or surgery. Medicines are used to improve blood flow to the fingers and toes.

Examples of medicines used to treat Raynaud’s include calcium channel blockers, alpha blockers, prescription skin creams, and ACE inhibitors (used less often).

Rarely, people who have severe Raynaud’s may develop skin sores or gangrene. If this happens, antibiotics or surgery to cut out the damaged tissue may be needed. In very serious cases, the affected toe or finger may need to be removed.

Another treatment for severe Raynaud’s is to block the nerves in the hands or feet that control the arteries. This can help prevent Raynaud’s attacks. This treatment is done using surgery or shots.

 

Recovery

If you have Raynaud’s, it’s important to get ongoing care. Talk with your doctor about how often to schedule followup visits. Take all medicines as your doctor prescribes.

See your doctor right away if your Raynaud’s symptoms get worse or if you develop sores on your fingers, toes, or other parts of your body. Timely treatment can help prevent permanent damage to these areas.

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