Leg thrombosis: symptoms, causes, and risks

What symptoms indicate deep vein thrombosis?

The symptoms of thrombosis in the leg vary per person, but a number of signs often recur. A heavy or tense feeling in the calf, often unilateral, is a common first complaint. In addition, swelling is noticeable, sometimes subtle and sometimes clearly visible because the leg feels thicker than normal. Redness or skin that feels warm at the site of the affected vein can also indicate deep vein thrombosis. Pain that increases when walking or stretching the foot is also often reported.

Not everyone immediately recognizes these signs as something serious, especially since a heavy feeling in the legs also occurs after a long day at work or intense physical exertion. The difference often lies in the unilateral nature and the extent to which the complaints persist or worsen. While muscle complaints usually subside within a few days, thrombosis-related complaints often remain present or even increase. For similar complaints in the calf, also check the information on calf complaints, so you can better assess the difference.

Because thrombosis is a medical condition, it is important to always consult a general practitioner or specialist if symptoms persist or worsen. Self-diagnosis based on symptoms alone is not possible, and delaying treatment can increase risks. Even when symptoms resemble varicose veins or another vascular disorder, medical assessment is necessary to differentiate. More background information about thrombosis specifically can be found on the page about thrombosis.