Wei Laboratories, Inc.
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What is Raynaud's syndrome?
This is a condition in which the smallest arteries that bring blood to the fingers or toes constrict (go into spasm) when
exposed to cold or from an emotional upset. The small veins are usually open, so the blood drains out of the
capillaries; the result is that the fingers or toes become pale, cold and numb. If there's a spasm in the small veins and
blood is trapped in the capillaries, the fingers or toes turn blue as the blood loses its oxygen.
Symptoms
Symptoms of Raynaud's depend on the frequency, duration and severity of the blood vessel spasms that underlie the
disorder.
• Cold fingers and toes
• Sequence of color changes in your skin in response to cold or stress
• Numb, prickly feeling or stinging pain upon warming or relief of stress
During an attack of Raynaud's, affected areas of your skin usually turn white at first. Then, the affected areas often turn
blue, feel cold and numb, and your sensory perception is dulled. As circulation improves, the affected areas may turn
red, throb, tingle or swell. The order of the changes of color isn't the same for all people, and not everyone experiences
all three colors.
Occasionally, an attack affects just one or two fingers or toes. Attacks don't necessarily always affect the same digits.
Although Raynaud's most commonly affects your fingers and toes, the condition can also affect other areas of your
body, such as your nose, lips, ears and even nipples. An attack may last less than a minute to several hours.
Causes
Doctors don't completely understand the cause of Raynaud's attacks, but blood vessels in the hands and feet appear to
overreact to cold temperatures or stress:
• Cold temperatures. When your body is exposed to cold temperatures, the extremities lose heat. The body slows
down blood supply to the fingers and toes to preserve the body's core temperature. The body specifically reduces
blood flow by narrowing the small arteries under the skin of the extremities.
• Stress. Stress causes a similar reaction to cold in the body, and likewise the body's response may be
exaggerated in people with Raynaud's.
• Blood vessels in spam. Arteries to your fingers and toes go into what's called vasospasm. This narrows your
vessels dramatically and temporarily limits blood supply. Over time, these same small arteries may also thicken
slightly, further limiting blood flow. The result is that affected skin turns a pale and dusky color due to the lack of
blood flow to the area. Once the spasms go away and blood returns to the area, the tissue may turn red before
returning to a normal color.
• Raynaud's Syndrome may be partly an inherited disorder.
• Smoking cigarettes or working with vibrating machinery also can cause these episodes.
Western medicine treatment
The treatments to dilate blood vessels and promote circulation include:
• Calcium channel blockers. These drugs relax and open up small blood vessels in your hands and feet.
• Alpha blockers. Some people find relief with drugs called alpha blockers, which counteract the actions of
norepinephrine, a hormone that constricts blood vessels.
• Vasodilators, a drug that relaxes blood vessels
• Nerve surgery.
• Chemical injections.
• Amputation
Alternative Medicine
There is a significant progress using alternative medicine in this area.
If you want a referral of an expert alternative medicine practitioner in your
local area, please use our free referral service by calling our toll-free at
1-888-919-1188, or e-mail us to wei@weilab.com, or click the button
at the right to have us contact you.
Information gathered from the Mayo Clinic and americanheart.org
This is a condition in which the smallest arteries that bring blood to the fingers or toes constrict (go into spasm) when
exposed to cold or from an emotional upset. The small veins are usually open, so the blood drains out of the
capillaries; the result is that the fingers or toes become pale, cold and numb. If there's a spasm in the small veins and
blood is trapped in the capillaries, the fingers or toes turn blue as the blood loses its oxygen.
Symptoms
Symptoms of Raynaud's depend on the frequency, duration and severity of the blood vessel spasms that underlie the
disorder.
• Cold fingers and toes
• Sequence of color changes in your skin in response to cold or stress
• Numb, prickly feeling or stinging pain upon warming or relief of stress
During an attack of Raynaud's, affected areas of your skin usually turn white at first. Then, the affected areas often turn
blue, feel cold and numb, and your sensory perception is dulled. As circulation improves, the affected areas may turn
red, throb, tingle or swell. The order of the changes of color isn't the same for all people, and not everyone experiences
all three colors.
Occasionally, an attack affects just one or two fingers or toes. Attacks don't necessarily always affect the same digits.
Although Raynaud's most commonly affects your fingers and toes, the condition can also affect other areas of your
body, such as your nose, lips, ears and even nipples. An attack may last less than a minute to several hours.
Causes
Doctors don't completely understand the cause of Raynaud's attacks, but blood vessels in the hands and feet appear to
overreact to cold temperatures or stress:
• Cold temperatures. When your body is exposed to cold temperatures, the extremities lose heat. The body slows
down blood supply to the fingers and toes to preserve the body's core temperature. The body specifically reduces
blood flow by narrowing the small arteries under the skin of the extremities.
• Stress. Stress causes a similar reaction to cold in the body, and likewise the body's response may be
exaggerated in people with Raynaud's.
• Blood vessels in spam. Arteries to your fingers and toes go into what's called vasospasm. This narrows your
vessels dramatically and temporarily limits blood supply. Over time, these same small arteries may also thicken
slightly, further limiting blood flow. The result is that affected skin turns a pale and dusky color due to the lack of
blood flow to the area. Once the spasms go away and blood returns to the area, the tissue may turn red before
returning to a normal color.
• Raynaud's Syndrome may be partly an inherited disorder.
• Smoking cigarettes or working with vibrating machinery also can cause these episodes.
Western medicine treatment
The treatments to dilate blood vessels and promote circulation include:
• Calcium channel blockers. These drugs relax and open up small blood vessels in your hands and feet.
• Alpha blockers. Some people find relief with drugs called alpha blockers, which counteract the actions of
norepinephrine, a hormone that constricts blood vessels.
• Vasodilators, a drug that relaxes blood vessels
• Nerve surgery.
• Chemical injections.
• Amputation
Alternative Medicine
There is a significant progress using alternative medicine in this area.
If you want a referral of an expert alternative medicine practitioner in your
local area, please use our free referral service by calling our toll-free at
1-888-919-1188, or e-mail us to wei@weilab.com, or click the button
at the right to have us contact you.
Information gathered from the Mayo Clinic and americanheart.org
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