Venous insufficiency occurs when valves in the leg veins fail to prevent backward blood flow, raising venous pressure. Over time this can cause varicose veins, swelling, skin changes and slow-healing sores. Below are practical details on symptoms, typical diagnostic steps and everyday measures that can help reduce progression and discomfort.
When vein valves weaken or are damaged, blood can pool in the legs and raise pressure in the veins. Factors that increase risk include prolonged standing, family history, obesity, pregnancy, older age and a past deep vein thrombosis. Sedentary jobs, lack of regular leg activity and smoking may also contribute.
People often report a sense of heaviness or fullness in the legs, swelling that worsens during the day, aching that does not fully subside with rest, night cramps, itching and darker skin around the ankles. Superficial veins may become more visible (varices). Persistent sores or skin breakdown near the lower leg or ankle can indicate more advanced changes.
Initial assessment usually includes a clinical exam and non‑invasive imaging such as Doppler ultrasound to check blood flow and valve function. Vascular surgery specialists and phlebologists commonly manage venous disease; dermatology may be involved when there are skin changes or ulcers. If you experience sudden severe leg pain, rapid swelling of a limb, chest pain or shortness of breath, seek urgent medical care.
Lifestyle steps can reduce symptoms and slow progression: staying active with regular leg‑muscle movement, avoiding long uninterrupted standing or sitting, raising the legs during rest and maintaining a healthy weight. Compression stockings may be suggested by a clinician in some cases. Smoking cessation and breaking up long travel or sitting periods can also lower risk.
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