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Doctor insights on: Sharp Pain Under Knee Cap

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When i go down steps or plant my left leg to turn, I am getting a sharp pain under my knee cap & it feels like my knee is going to give out.?

When i go down steps or plant my left leg to turn, I am getting a sharp pain under my knee cap & it feels like my knee is going to give out.?

See your doctor: Problems like these can only be correctly handled by your doctor in person. He/she needs to listen to you, perform an examination and possibly run labs or other tests. That's the only way he/she can find out what's going on and what to do about it. ...Read more

Dr. John Michalski
638 doctors shared insights

Patella (Definition)

Patella is a thick piece of bone, more commonly known ...Read more


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Sharp stabbing pain under knee cap that lessens when standing or walking or when i rub under knee cap. feels like sprain or something ?

Sharp stabbing pain under knee cap that lessens when standing or walking or when i rub under knee cap. feels like sprain or something ?

Strengthen: quadriceps muscles and tape your kneecap based on the direction it goes when your walk or run. This can be accomplished by seeing a sports training physical therapy program. ...Read more

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What could cause sharp pain and cracking in knee cap?

What could cause sharp pain and cracking in knee cap?

Wear if cArtilage: you can have cartilage degeneration that causes pain with bending. You can have patella tendinitis also. Need good evaluation to get options to treat it. ...Read more

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When my knee touches the floor i get a sharp pain at the top of my knee cap , what could be causing this pain ?

When my knee touches the floor i get a sharp pain at the top of my knee cap , what could be causing this pain ?

Deep or superficial: if superficial can be bursitis. if deep can be in the quadriceps (for example tendinitis), or behind the patella (like chondromalacia or arthritis. ...Read more

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I have a sharp pain right above my knee cap and the worsens at night, what could it be? this has been happening for almost a year.

I have a sharp pain right above my knee cap and the worsens at night, what could it be? this has been happening for almost a year.

Bursitis: The suprapatellar bursa/fluid-filled sac can be found just under the upper knee cap/patella which extends upward to the quadriceps muscle. This can become inflamed after injury from a fall or from overuse including running. Possibly the position of lying down at night makes it more symptomatic. Anti-inflammatories such as ibuprofen may help; you may need an injection. See orthopedist. ...Read more

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I get an occasional sharp pain in the middle front of my knee cap when i stand up from a chair or sitting on the ground on my knee?

Chondromalacia patel: Probably chondromalacia patella, literally softening of the cartilage on the back of you kneecap. Exercises to strengthen you quad muscles without flexing the knee beyond 20-30 degrees might help. You can get a patellar strap at most sporting goods stores. ...Read more

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Why my knee will always become stiff when im walking and its started to have a pull and sharp pain around the knee cap...what its?

Why my knee will always become stiff when im walking and its started to have a pull and sharp pain around the knee cap...what its?

Joint pain worse: Progressive symptoms in a joint of the body should be evaluated by a physician. Be prepared to answer questions like when the pain started, if there was any trauma, what you have done for your symptoms, if you have a family history of immune or joint diseases, when the symptoms occur, and if you have fever, redness, swelling or warmth in the area. ...Read more

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Knee pain: under and below the knee cap-when I stretch it there is sharp pain. I've been icing it, but doesn't help. Hurting for more than a week.

Knee pain: under and below the knee cap-when I stretch it there is sharp pain. I've been icing it, but doesn't help. Hurting for more than a week.

Varies: There are several possibilities including tendinitis of the patellar tendon at its orgin on the patella or chondromalacia on the under surface of the patella. You would probably do well to avoid jumping activities and activities that involve a lot of knee flexion, and if it does not get better I would consider being seen. ...Read more

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Sharp pain on side of knee cap/around knee cap. Running/biking daily before but haven't exercised for 4 days and pain still here. Worse w/standing/bending?

Patellofemoral pain: Your symptoms are characteristic of ' chondromalacia of the patella' or kneecap pain.Pain can occur from actual softening of the kneecap cartilage, tendinitis, instability of the kneecap or malalignment of your lower extremity( or a combination of the above). Rest, nsaids and isometric quad strengthening w/ hamstring stretching would be recommended initially. See your ors if symptoms continue. Gl! ...Read more