Do your hands and feet often feel cold? You’re not alone. Many people experience cold extremities, and while it’s sometimes just a response to chilly weather, it can also signal underlying health conditions. Understanding why your hands and feet get cold can help you know when it’s normal and when to seek medical advice.
Table of Contents
- What Causes Cold Feet and Hands?
- Understanding Raynaud’s Phenomenon
- Primary vs. Secondary Raynaud’s
- Risk Factors for Cold Hands and Feet
- Other Causes of Cold Extremities
- When Cold Hands and Feet Signal a Problem
- Diagnosis
- Treatment Options
- Preventing Cold Hands and Feet
- Special Considerations
- Living with Cold Hands and Feet
- When to Seek Emergency Care
- Conclusion
What Causes Cold Feet and Hands?
Cold feet and hands happen when blood flow to your extremities decreases. Your body naturally prioritizes keeping your core warm, so it reduces blood flow to your hands and feet when you’re cold. This is normal. However, some people experience cold extremities even in warm environments.
Several factors can contribute to chronically cold hands and feet:
- Poor circulation
- Anemia (especially iron deficiency)
- Thyroid problems
- Diabetes
- Smoking
- Stress and anxiety
- Raynaud’s phenomenon
Understanding Raynaud’s Phenomenon
Raynaud’s phenomenon is one of the most common causes of cold feet and hands. It affects your blood vessels. When you’re cold or stressed, the small blood vessels experience episodic vasospasm, causing your fingers and toes to turn white, then blue, then red (1).
The Classic Color Changes
During a Raynaud’s attack, your fingers or toes typically go through three color changes:
- White: Blood flow stops, causing pallor
- Blue: Tissues lack oxygen, causing cyanosis
- Red: Blood flow returns, causing flushing and pain
How Common Is Raynaud’s?
Raynaud’s phenomenon affects about 3% to 5% of the general population (1). The prevalence varies by location. In a meta-analysis, the pooled prevalence was found to be 4.85% (2).
Primary vs. Secondary Raynaud’s
There are two types of Raynaud’s phenomenon, and knowing the difference is important.
Primary Raynaud’s
Primary Raynaud’s occurs on its own without any underlying disease. It’s usually milder and doesn’t cause tissue damage. Most people with Raynaud’s have this type.
Secondary Raynaud’s
Secondary Raynaud’s is associated with other conditions, such as:
- Systemic sclerosis (scleroderma)
- Lupus
- Rheumatoid arthritis
- Sjögren’s syndrome
- Blood disorders
Secondary Raynaud’s can be more severe. It may lead to ulcers or tissue damage. About 50% of people with systemic sclerosis develop digital ulcers (1).
Risk Factors for Cold Hands and Feet
Several factors increase your risk of developing Raynaud’s phenomenon or experiencing cold extremities:
Demographics
- Gender: Women have 1.65 times higher odds of developing Raynaud’s than men (2, 3)
- Age: Younger people, especially slim young women, are more prone to cold extremities (4)
- Body weight: Slimmer individuals experience cold extremities more often than those with higher BMIs
Lifestyle Factors
- Smoking: Smokers have 1.27 times higher odds of developing Raynaud’s (2)
- Occupation: Manual workers have 2.66 times higher risk, especially those using vibrating tools (2)
- Living in cold climates: Cold exposure appears to be both a trigger and a cause (5)
Medical Conditions
- Migraines: People with migraines have 4 times higher odds of having Raynaud’s (2)
- Family history: Having relatives with Raynaud’s increases your risk 16-fold (2)
- Cardiovascular disease: Associated with 1.69 times higher risk (2)
Other Causes of Cold Extremities
Iron Deficiency
Iron deficiency affects your body’s ability to regulate temperature. Research in animals shows that iron deficiency anemia causes hypothermia more easily when exposed to cold (6).
Thyroid Problems
Your thyroid hormone helps control blood flow and body temperature. Low thyroid hormone levels can reduce blood flow to your extremities. Studies show that free T4 levels are associated with cold-induced thermogenesis in healthy people (7).
Diabetes
Diabetes can damage blood vessels and nerves, leading to poor circulation. People with diabetic neuropathy often experience cold feet along with numbness or tingling. More than one in five people with diabetes have peripheral neuropathy (8).
When Cold Hands and Feet Signal a Problem
You should see a doctor if you experience:
- Color changes in your fingers or toes (white, blue, or red)
- Numbness or tingling that doesn’t go away
- Sores or ulcers on your fingers or toes
- Pain in your hands or feet
- Cold extremities even in warm environments
- Symptoms that interfere with daily activities
Diagnosis
Doctors use several methods to diagnose the cause of cold hands and feet:
Nailfold Capillaroscopy
This test looks at the tiny blood vessels at the base of your fingernails. It can distinguish between primary and secondary Raynaud’s. Normal capillaries indicate primary Raynaud’s, while abnormal patterns suggest secondary Raynaud’s (9).
Blood Tests
Your doctor may order tests to check for:
- Autoimmune antibodies (ANA, anti-centromere, anti-Scl-70)
- Thyroid function
- Iron levels
- Blood sugar
- Complete blood count
Cold Stimulation Test
This test measures how your blood vessels respond to cold. Your hands are exposed to cold water, and recovery time is measured. Infrared thermography can accurately detect Raynaud’s phenomenon using this method (10).
Treatment Options
Treatment depends on the underlying cause and severity of your symptoms.
Lifestyle Changes
Simple changes can make a big difference:
- Keep warm: Dress in layers, wear warm gloves and socks
- Avoid cold exposure: Use gloves when handling cold items
- Quit smoking: Smoking worsens circulation
- Manage stress: Stress can trigger Raynaud’s attacks
- Exercise regularly: Exercise improves circulation
- Limit caffeine: Caffeine can constrict blood vessels
Medications
For moderate to severe symptoms, medications may help:
Calcium Channel Blockers
These are the most commonly prescribed drugs for Raynaud’s. Calcium channel blockers can reduce attacks by about 6 per week compared to placebo (11). However, side effects like headaches and ankle swelling are common.
Other Medications
- Alpha blockers: Buflomedil can significantly reduce attack frequency
- Topical nitroglycerin: Applied to fingers, it may improve blood flow
- PDE5 inhibitors: PDE5 inhibitors (medications like sildenafil) can reduce attack frequency by about 3 per week (12)
- Prostaglandins: For severe cases, especially with ulcers
Natural Remedies
Some natural approaches may help improve circulation:
Supplements
- Fish oil: Studies show fish oil can improve tolerance to cold and delay vasospasm in primary Raynaud’s (13)
- Vitamin C: May improve blood vessel function
- Ginkgo biloba: Can increase blood flow to extremities
- L-arginine: Helps blood vessels relax and improve flow
Other Approaches
- Biofeedback: Learning to control body temperature
- Acupuncture: May help some people
- Massage: Can improve circulation
Preventing Cold Hands and Feet
You can take steps to prevent or reduce episodes of cold extremities:
Daily Habits
- Wear warm clothes, even indoors if needed
- Use chemical hand warmers in cold weather
- Avoid sudden temperature changes
- Don’t smoke or be around secondhand smoke
- Exercise regularly to improve circulation
- Manage stress through relaxation techniques
Diet and Nutrition
- Stay hydrated
- Limit caffeine and alcohol
- Eat iron-rich foods if you’re prone to anemia
- Include omega-3 fatty acids from fish or supplements
- Consider foods that promote circulation like ginger and garlic
Work and Home Environment
- Keep your home and workspace warm
- Use a space heater near your desk if needed
- Wear fingerless gloves while typing
- Take breaks to move around and improve circulation
Special Considerations
Cold Hands and Feet in Different Populations
Women
Women experience cold extremities more often than men. This is especially true for younger, slimmer women. Hormonal changes during menstruation, pregnancy, and menopause can affect circulation and temperature regulation.
Elderly
Older adults may have decreased circulation due to aging blood vessels. However, they often report less discomfort from cold extremities than younger people (4). Regular exercise can help maintain good circulation with age.
People with Chronic Conditions
If you have diabetes, lupus, or other chronic conditions, work closely with your doctor. You may need special care to prevent complications from poor circulation.
Living with Cold Hands and Feet
Having chronically cold hands and feet can affect your quality of life. Here are tips for managing daily activities:
- Keep gloves in multiple locations (car, office, bag)
- Use voice-to-text features if typing is painful
- Invest in good quality winter gear
- Plan outdoor activities for warmer parts of the day
- Join support groups if Raynaud’s affects your life significantly
When to Seek Emergency Care
Seek immediate medical attention if you experience:
- Severe pain in your fingers or toes
- Skin that turns black or develops sores
- Signs of infection (fever, pus, red streaks)
- Numbness that doesn’t improve with warming
- Symptoms in only one hand or foot (could indicate a blood clot)
Conclusion
Cold feet and hands are often just your body’s normal response to temperature. However, persistent symptoms deserve attention. Whether you have primary Raynaud’s or another condition causing poor circulation, many treatments can help. Start with simple lifestyle changes, and work with your doctor if you need additional treatment. With proper care, you can keep your hands and feet comfortable and healthy.