Chronic Venous Insufficiency (CVI): This condition is characterized by the veins having problems returning blood from the legs back to the heart due to issues like faulty valves. It often leads to edema (swelling) and weeping (ulceration or leakage of fluid through the skin), making it a common cause of the symptoms described.

Cellulitis: A bacterial skin infection that can cause swelling, redness, and sometimes weeping if the infection is severe or if it leads to abscess formation. It's a common condition that could explain the symptoms.
Deep Vein Thrombosis (DVT): While DVT itself might not directly cause weeping, the associated inflammation and potential for post-thrombotic syndrome could lead to chronic swelling and skin changes, including ulcers in severe cases.
Lymphedema: This condition involves swelling of the limbs due to a lymphatic system blockage or damage. In advanced stages, it can lead to skin changes and potentially weeping due to the chronic nature of the swelling.

Necrotizing Fasciitis: A severe infection that affects the tissue beneath the skin and the fascia, a layer of tissue covering muscles. It's a medical emergency that can cause swelling, redness, and potentially weeping or blistering of the skin. Early diagnosis is crucial for survival.
Gas Gangrene: Caused by Clostridium perfringens, this condition leads to tissue death and can produce gas under the skin, leading to swelling and potentially weeping or bubbling of the skin. It's a life-threatening condition requiring immediate medical attention.

Filariasis: A parasitic disease caused by an infection with filarial parasites, which can lead to lymphedema and, in severe cases, skin changes and weeping due to chronic swelling.
Podoconiosis (Non-filarial Elephantiasis): A disease of the lymphatic system causing severe swelling of the legs, which can lead to skin changes and potentially weeping in advanced stages. It's rare and more commonly found in specific geographic areas.