Varicose Veins: Causes, Signs and What Helps
Your legs feel heavy and achy by evening. You notice bulging, twisted veins on your calves or thighs—maybe they're itchy or uncomfortable. You're not alone. Varicose veins affect millions of people, and certain life stages and activities make them more likely to show up.
The good news? Understanding what causes them and taking early action can help you stay mobile and feel better in your legs.
- Varicose veins form when blood pools in leg veins instead of flowing smoothly back to your heart.
- Pregnancy, sitting or standing for hours, family history, and age all increase your risk.
- Lifestyle changes and supportive garments can help manage symptoms and support circulation.
What is varicose veins?
Varicose veins are enlarged, twisted veins usually visible on your legs. The medical term is venous insufficiency. Your veins have tiny valves that work like one-way gates, keeping blood moving upward toward your heart. When those valves weaken or fail, blood can flow backward and pool in your legs. That pooling makes veins swell, bulge, and sometimes hurt.
Why it happens
Everyday factors
Your daily habits matter more than you might think. Sitting or standing for long stretches—at a desk, behind a counter, or on long flights—slows blood movement in your legs. Lack of movement means your calf muscles (which act as your body's second heart, pumping blood upward) can't do their job as well. Extra weight also puts pressure on your veins and makes their job harder.
Hormonal changes
If you're pregnant or taking hormonal birth control, your body produces more of a hormone called progesterone. This relaxes vein walls, making them less efficient at pushing blood upward. Pregnancy adds another layer: your expanding uterus puts physical pressure on veins in your pelvis and legs. That's why pregnancy is a common time for varicose veins to first appear, as noted in recent health discussions across Google News and venous health resources.
Medical and genetic factors
Family history plays a big role. If your parents or grandparents had varicose veins, you're more likely to develop them too. Age matters as well—the older you are, the more wear and tear your vein valves experience. Certain medical conditions that affect circulation or blood clotting can also increase your risk.
How to spot it
- Bulging, twisted veins that look purple, blue, or skin-colored
- Aching, heaviness, or throbbing in your legs, especially after standing or sitting
- Itching or burning around the affected veins
- Swelling in your ankles or lower legs, especially toward the end of the day
- Skin discoloration or a rash-like appearance near problem veins
- Cramping or restlessness, particularly at night
What actually helps
1. Move your legs regularly
Walking, stretching, and changing position every hour activates your calf muscles and keeps blood flowing. Even small movement beats sitting still.
2. Elevate your legs when you rest
Lying down with your legs raised above heart level helps blood drain naturally back toward your heart. Try 15 minutes a few times a day.
3. Stay hydrated and eat well
Drinking enough water helps your blood flow smoothly. Fiber-rich foods support healthy weight, which takes pressure off your veins.
4. Wear supportive garments
Compression garments gently squeeze your legs, helping veins push blood upward more effectively. They can reduce swelling, aching, and that heavy feeling—especially on days when you know you'll be on your feet or sitting for hours.
5. Avoid prolonged heat
Heat makes veins relax and widen, which can make symptoms worse. Keep your legs cool when possible.
When compression helps most
Long airplane flights, shifts standing behind a counter, or days when you're mostly stationary are prime times when your legs need extra support. During pregnancy, wearing compression garments can significantly ease the aching and swelling that comes with the hormonal and physical changes in your body. On hot days or after prolonged sitting or standing, compression can help your veins work more efficiently and reduce that uncomfortable heaviness you feel by day's end.
Mojo compression for vein & circulation health
Explore compression by need
- Veins that are warm, red, or increasingly painful
- Sudden swelling in one leg much more than the other
- Skin ulcers or open sores near varicose veins
- Bleeding from a varicose vein
- Signs of blood clots (sharp pain, warmth, redness)
- Symptoms that interfere with your daily activities despite self-care
Join the Mojo list for fit tips and your discount code.
Frequently asked questions
Can varicose veins go away on their own?
Once veins are enlarged, they typically don't shrink back on their own. But managing symptoms early—through movement, elevation, and compression—can slow their progression and keep you comfortable.
Are varicose veins dangerous?
Most varicose veins are a cosmetic or comfort issue. However, in rare cases they can lead to complications like blood clots or skin damage. That's why it's important to see a doctor if symptoms worsen or you notice warning signs.
Will compression garments cure varicose veins?
Compression won't cure varicose veins, but it can ease pain, reduce swelling, and help you stay active. Think of it as ongoing support for your circulation, not a permanent fix.
Can I prevent varicose veins?
You can't change your genetics or age, but staying active, avoiding prolonged sitting or standing, maintaining a healthy weight, and wearing compression on high-risk days can lower your odds and delay onset.
Your legs carry you through life—they deserve support that works as hard as you do. Small daily choices, paired with smart compression when you need it, can keep you moving, feeling lighter, and ready for whatever comes next.
This article is for general education and is not medical advice. If you have a diagnosed condition, are recovering from surgery, or have diabetes, neuropathy, or arterial disease, talk to a healthcare professional before using compression garments.