Pain radiating from leg to knee may result from muscle strain, joint issues, or nerve compression.
Common causes include arthritis, ligament injuries, muscle strains, overuse from exercise, meniscus tears, bursitis, and patellofemoral pain syndrome. Aging, excess weight, and repetitive activities increase risk.
Seek medical attention if pain is severe, sudden, accompanied by swelling or redness, limits movement, follows an injury, or persists beyond a few weeks despite rest and home care.
Try RICE therapy (rest, ice, compression, elevation), take over-the-counter pain relievers, wear supportive footwear, apply heat for stiffness, and do gentle stretching exercises. Avoid activities that worsen pain.
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