According to WebMD, the first symptom of a blood clot inside the calf, also known as a deep vein thrombosis, varies from person to person. Common symptoms include calf pain, weakness, swelling or the appearance of bulgin... More »

Blood clots are typically diagnosed with ultrasounds, blood tests and venography, according to eMedicineHealth. If doctors suspect a pulmonary embolism, a CT scan with contrast or ventilation perfusion may be ordered. More » Health Conditions & Diseases

Some causes of pain behind the knee and calf are deep vein thrombosis, tendinitis, muscle cramp and a Baker's cyst. Although these are common conditions that may cause pain symptoms, there can be other medical issues tha... More »

Symptoms of a blood clot in the calf, also known as deep vein thrombosis, include swelling, pain and tenderness, especially with standing or movement, and warmth or redness in the affected leg, according to WebMD. The le... More » Health Conditions & Diseases

According to MedlinePlus, a blood clot in the leg, also known as a deep vein thrombosis, is treated with anticoagulants, blood thinners, pressure stockings or surgery. Wikipedia also lists exercise, aspirin and intermitt... More »

A blood clot behind the knee may indicate deep vein thrombosis, a condition in which a blood clot forms in a vein, which sometimes leads to a fatal condition called a pulmonary embolism. According to John Muir Health, a ... More »

Deep vein thrombosis, or a blood clot in a vein of the leg, causes recognizable symptoms. These symptoms include swelling of the leg, skin discoloration that is reddish or bluish in color, tenderness, and pain, and the l... More »