Leg pain encompasses conditions ranging from acute muscular strains and peripheral neuropathy to chronic vascular insufficiency such as peripheral artery disease. Common symptoms include localized swelling, cramping, radiating discomfort along the sciatic nerve, and intermittent claudication during physical exertion. Diagnosis typically involves physical examination, Doppler ultrasound imaging, nerve conduction studies, and bloodwork to rule out systemic causes like diabetes or deep vein thrombosis. Treatment protocols vary by etiology and may include anti-inflammatory medications, targeted physical therapy, compression therapy, or minimally invasive surgical interventions. Preventive strategies center on maintaining healthy circulation through regular ambulation, proper hydration, and routine screening for at-risk populations.