Knee pain
Knee pain is discomfort in or around the knee joint. It can range from mild soreness to sharp pain, swelling, stiffness, or a feeling of instability (like the knee may “give way”). Common causes include overuse injuries (tendinitis), strains, ligament sprains, meniscus irritation/tears, arthritis (osteoarthritis or inf
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Knee pain (en-US)
Knee pain is discomfort in or around the knee joint. It can range from mild soreness to sharp pain, swelling, stiffness, or a feeling of instability (like the knee may “give way”). Common causes include overuse injuries (tendinitis), strains, ligament sprains, meniscus irritation/tears, arthritis (osteoarthritis or inflammatory arthritis), bursitis, gout, or pain that comes from the hip or lower back.
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Common symptoms and when to get help
Pain may be worse with walking, climbing stairs, squatting, or after activity. You might notice swelling, warmth, redness, locking (can’t fully bend/straighten), or reduced range of motion. Seek urgent medical care if you have a severe injury, inability to bear weight, a rapidly increasing swollen knee, fever, significant redness/warmth, numbness, or sudden locking that prevents movement.
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Self-care and professional care note
For mild, non-emergency knee pain, consider rest from aggravating activities, gentle range-of-motion, ice for the first 24–48 hours after flare-ups or injury, and heat for stiffness afterward. Over-the-counter pain relief may help if safe for you (follow label directions and avoid if you have contraindications). Supportive footwear and gradual return to activity can reduce strain. Professional-care note: If pain lasts more than 1–2 weeks, keeps recurring, or limits daily activities, a clinician (such as a primary care provider, sports medicine specialist, or physical therapist) can evaluate the cause and recommend targeted treatment (e.g., physical therapy, imaging if needed, or specific medications).
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