Chronic venous insufficiency happens when the valves inside your veins weaken or fail, preventing bl00d from flowing efficiently back to the heart. As a result, bl00d pools in the limbs—especially in the legs—and veins can appear enlarged, twisted, or bulging.

Symptoms include:

• Visible, rope-like veins
• Swelling, heaviness, or aching in the legs
• Discoloration or ulcers near the ankles

CVI is more popular in older adults and people who stand or sit for long periods. Left untreated, it can cause serious complications like leg ulcers or blood clots.

2. Varicose Veins

Varicose veins are a popular vein disorder that can cause veins—particularly in the legs and sometimes in the arms—to become visibly swollen and twisted. While often considered a cosmetic issue, they may also signal underlying vein dysfunction.

You may spot:

• Dark blue or purple veins that are raised or bulging
• Burning, itching, or throbbing around the veins
• Cramping or fatigue in the affected limb
• Risk factors include genetics, pregnancy, obesity, and long hours of standing.

3. Deep Vein Thrombosis (DVT)

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