What causes a dent to remain after pressing on the lower leg, and how is it treated?

Indentation in the lower leg upon pressing may result from physiological causes, such as prolonged sitting or standing, or it could be due to pathological conditions like deep vein thrombosis or nephrotic syndrome. It is advisable to promptly obtain an accurate diagnosis and consult a doctor to determine appropriate treatment. Specific analysis is as follows:

I. Physiological Causes

Prolonged sitting or standing can compress the legs and impair blood circulation, leading to localized swelling. This is a normal physiological phenomenon that typically does not require special treatment. Avoiding long periods of inactivity and engaging in moderate physical activity can help improve symptoms.

II. Pathological Causes

1. Lower Limb Venous Thrombosis

Blood clots forming in the leg veins can obstruct venous return and increase venous pressure, resulting in leg edema that leaves a pit upon pressing. Mild cases may be managed with compression therapy using elastic bandages or compression stockings, while severe cases may require surgical thrombectomy. Early intervention helps alleviate symptoms effectively.

2. Nephrotic Syndrome

During this condition, impaired kidney function leads to retention of water and sodium, which cannot be properly excreted, causing body swelling and lower back pain. As directed by a physician, medications such as Bailing capsules, Huangkui capsules, and Benazepril hydrochloride tablets may be prescribed to reduce edema.

In addition, similar symptoms may also arise from chronic nephritis, liver cirrhosis, or renal insufficiency. Patients experiencing the above symptoms should seek medical attention promptly and follow professional medical advice for proper management.