Raynaud's Disease

8 Cold Facts About Raynaud’s Disease

Jeff Hayward

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The thermometer is dropping as winter approaches, and some people may feel it more than others – especially in their fingers and toes. That’s because they may have a condition called Raynaud’s disease (also called Raynaud’s syndrome or phenomenon) that causes numbness in extremities when it gets colder.

While your fingers can go numb and change color in extreme cold for prolonged durations of time – commonly known as frostbite – those with Raynaud’s (up to 10-per cent of Americans) can suffer uncomfortable symptoms even when the indoor or outdoor environment doesn’t feel very cold to others. Here are eight cold, tingling facts about this health problem…

1. White Fingers First

The Mayo Clinic explains that during an “attack” of Raynaud’s, a patient’s fingers usually turn white first (which is actually what happens during a more advanced stage of frostbite). The skin will then often turn blue, while feeling cold and numb, it adds.

“As you warm and circulation improves, the affected areas may turn red, throb, tingle or swell,” says the clinic. This is the opposite of frostbite, as the skin will turn red first before turning white – and defrosting from frostbite can also be quite painful.

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2. Women are More Affected

According to Raynauds.org, women are more likely to have this health problem. It gets more specific than that – apparently women between the ages of 15 and 30 are most affected, it adds.

This probably won’t come as any surprise, but women who live in colder climates – for example, further north in the U.S. – will have this problem more often than those who aren’t exposed regularly to colder climates.

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3. There are Two Types

The National Heart, Lung and Blood Institute explains there are primary and secondary Raynaud’s, and that the latter version is actually more severe. The cause of primary Raynaud’s isn’t known, but it’s more common, it adds.

Meanwhile, secondary Raynaud’s is caused by an underlying health condition, such as those that affect the arteries or nerves associated with arteries in the hands and feet. It can even be caused by a repetitive movement injury, or exposure to certain chemicals, explains the source.

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4. Warm Water Rescue

Unlike frozen fingers (frostbite), dipping your hands in warm water when you have Raynaud’s can provide some relief, according to the Raynaud’s Association. Trying this with frostbite before circulation has returned can actually cause damage to tissue.

The association said another strategy if you’re having a Raynaud’s attack is to move your hands and feet to increase blood flow – “and to rub them where they are sore to help with circulation.”

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5. It Can Be Triggered by Stress

Cleveland Clinic explains that while cold is the biggest culprit when it comes to triggering a Raynaud’s attack, it can also be brought on by emotional stress.

Whether it’s from cold temperatures or stress, Raynaud’s closes the blood vessels that supply the finger and toes more than the natural response should allow, says the source. Excitement can also lead to an attack, it adds.

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6. It Affects More than Fingers

While the disease is most commonly associated with affecting the fingers and toes, Raynaud’s can actually strike a number of other sensitive areas of the body, explains MedicalNewsToday.com.

Other areas of the body that can suffer during an attack include the nose, lips, and ears, says the source. Some women may experience Raynaud’s of the nipples, which can be pronounced during breastfeeding and cause a lot of discomfort. “It causes severe throbbing, similar to that experienced with a fungal Candida albicans (C. albicans) infection, which can lead to misdiagnosis,” adds the source.

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7. It Can be Triggered by Medications

NHS in the UK explains that secondary Raynaud’s can actually be caused by certain medications – including certain types of anti-migraine medications such as umatriptan and ergotamine. Beta blockers used to control high blood pressure can also be a trigger, it adds.

The source continues by warning that certain decongestants and even birth control pills could be the cause of secondary Raynaud’s. It’s probably best to consult with a doctor to assess medications and see if any can be adjusted or changed to eliminate the problem. (Illegal drugs such as cocaine have also been known to trigger an attack).

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8. There are Medical Treatments

While some medications may cause secondary Raynaud’s, other drugs may help alleviate the issue, according to the Mayo Clinic. The source says your doctor may prescribe calcium channel blockers (including Afeditab CR or Procardia) to relax and open small blood vessels, while vasodilators including nitroglycerin cream can help.

Other sources say non-prescription pills, namely Vitamin B-3 pills (niacin), can help naturally increase blood flow and reduce the unpleasant symptoms of Raynaud’s. It’s always best to check with your doctor before following through with a drug or non-drug solution.