There are a few different things that can aggravate venous insufficiency. One of the most common is wearing shoes that don’t support your feet properly. This can cause the varicose veins in your feet to become more sluggish, which can increase the risk of DVT (deep vein thrombosis).
Other factors that can contribute to venous insufficiency are obesity and smoking. Obesity puts pressure on the veins in your Legs and pelvis while smoking damages the valves in your veins.