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Doctor insights on: How To Treat A Bruised Knee Cap

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What can cause a knee cap to swell and bruise and also to have sonething hard that moves on my knee cap please help?

What can cause a knee cap to swell and bruise and also to have sonething hard that moves on my knee cap please help?

Needs eval: Bruise is usually from bleeding, which can also have swelling.
Unusual place to bruise without some trauma?
Knee cap is a bone and hard and moves?
Can be fractured with enough trauma.
Ortho is the discipline most likely to diagnose. ...Read more

Dr. John Michalski
667 Doctors shared insights

Patella (Definition)

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


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Woke up with pain in left knee cap. It feels bruised and hurts to bend. I didn't do anything to it. What is it?

Woke up with pain in left knee cap. It feels bruised and hurts to bend. I didn't do anything to it. What is it?

Knee inflammation: Some of the knee inflammation come like this, common cold, other inflammation in some of the body (tonsillitis, vaccination, bursitis) could cause this.
Treat with advil (ibuprofen) and rest if did not get better in few days, check it out ...Read more

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I have a dark red/pink L shaped mark on my knee cap that could resemble a bruise but is a very odd shape and is not painful to the touch. What is it?

I have a dark red/pink L shaped mark on my knee cap that could resemble a bruise but is a very odd shape and is not painful to the touch. What is it?

Varies: There are multiple possibilities. Was there an injury involved? How long has it been there? Has there been any change in its size or shape? A more detailed history and exam would likely tell the diagnosis. Don't hesitate to be seen. ...Read more

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What is the difference between a bruised knee cap and fractured one?

What is the difference between a bruised knee cap and fractured one?

Knee cap: A bruised kneecap is generally less damaged than one that is fractured. Remember, there is a continuum of energy that can go across the patella, from small to large, thus the spectrum of possible injury. ...Read more

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I got into a bike wreck last year and thought it only bruised my knee cap. My knee is still numb to the touch and painful. Why?

I got into a bike wreck last year and thought it only bruised my knee cap. My knee is still numb to the touch and painful. Why?

Blunt patella trauma: Ones knee cap is the main protection to prevent structural damage to the other parts of the knee. So... When the patella is hit, one will have pain, swelling, stiffness and lack of sensation. This all usually resolves over 4-6 weeks. The fact you still have pain would indicate more ongoing damage which needs to be seen by a knee specialist ...Read more

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Fell hard on knee 3 wks ago. Initial swelling on knee, bruising, painful to touch. Now swelling above knee cap and 2 hard dime size balls on kneecap?

Fell hard on knee 3 wks ago. Initial swelling on knee, bruising, painful to touch. Now swelling above knee cap and 2 hard dime size balls on kneecap?

Prepatellar bursa: The lumps maybe hematoma as you may have injured the prepatellar bursa. Heat might help the lumps go away. If there's more to this you need an evaluation. We want to make certain that you don't have an infection ...Read more

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I fell down a slanted, rocky trail and my knee cap slammed squarely on a rock. Since then I've had pain, bruising, and difficulty walking.

I fell down a slanted, rocky trail and my knee cap slammed squarely on a rock. Since then I've had pain, bruising, and difficulty walking.

See your doctor: While this may be simple soft tissue injury and trauma, knees are complex and can cause significant problem. If it is more than 72 hours from your injury and you have done ice, rest, elevation and anti inflammatory, it is definitely time to see your doctor. ...Read more

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Fell directly on knee a week ago, there bruising, can't touch the knee cap itself cause of pain, below knee cap its numb feeling, standing problems

X Rays: 40 year old lady status post fall onto knee now with bruising, pain and inability to bear weight/stand up onto affected leg. You need to have a full physical exam and imaging studies of your knee. Please see your MD ASAP. Thank you. ...Read more

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Can I still play tennis with a bruised knee cap?

Can I still play tennis with a bruised knee cap?

Patellar contusion: Ok to progress as you gain painless range of motion. Consider naaids, open patellar sleeve or lateral support, laser therapy, purified omega, weight control, good quad & ham flexibility, cross training. ...Read more

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Swelling below knee cap after fall. Small bruise above the swelling. Knee feels very tight. Do I need to have it checked out or ice and rest it?

Swelling below knee cap after fall. Small bruise above the swelling. Knee feels very tight. Do I need to have it checked out or ice and rest it?

If there is any: Fluid or blood in knee joint, yes, you need medical evaluation for sure. If it is just subcutaneous swelling, no. Only way to tell for sure is on physical exam by a doctor. So, yes, you need to have it checked out. ...Read more

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On my right knee at the bottom of knee cap running along the outside of my knee are a series of bruises, ranging in size from pea to dime what happend?

On my right knee at the bottom of knee cap running along the outside of my knee are a series of bruises, ranging in size from pea to dime what happend?

Purpura: Assuming you didn't have an injury that would have caused this unusual pattern of bruising, you may have a condition known as Henoch Schonlein Purpura (HSP), an inflammation of the blood vessels. We don't know what triggers HSP and don't have a specific treatment for it. It usually goes away on its own without ill effects, but, to be safe, you should see a doctor. Best wishes. ...Read more

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I am having a bruised feeling on my knee cap. It hurts when pressing on it or climbing stairs. It hurts even more when the knee is bent with pressure?

I am having a bruised feeling on my knee cap. It hurts when pressing on it or climbing stairs. It hurts even more when the knee is bent with pressure?

Possibilities: Prepatellar bursitis is inflamation of the fluid filled sac located in front of your knee cap; it can cause swelling and tenderness to touch. Also patellofemoral syndrome can cause pain particularly with squats, stairs and hills. In this case the knee cap is rubbing on the underlying bone which can happen with repetitive exercise which is why it can be called "runner's knee" stretching can help. ...Read more

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Can falling on a knee that has osgood schlatters disease make thhe condition worse? I had osgood schlatters disease in my left knee. I tripped and fell on concrete today, and right on the botton of my knee cap it is badly bruised. It hurts pretty bad, I c

Can falling on a knee that has osgood schlatters disease make thhe condition worse? I had osgood schlatters disease in my left knee. I tripped and fell on concrete today, and right on the botton of my knee cap it is badly bruised. It hurts pretty bad, I c

Painful Ossicle: Osgood schlatter's is from repetitive traction injury of the patellar tendon attachment to the tibia when growth plates are open. Once growth is completed there may be a persistent bony "bump" and in some patients a small ossicle. If this is impacted, there may be more pain and persistent pain than someone without o.S. History. Bruising at the bottom of the patella is different: it needs an eval. ...Read more

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How can you tell difference between fractured knee cap and bruised bone?

How can you tell difference between fractured knee cap and bruised bone?

Image study: The fracture, or contusion of patela, or even a sprain strain of knee joinit can have similar pain and confused symptoms. A X-ray will rule out boney problem for most part. ...Read more

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I have swelling in. My kneecap after I think one of my veins brusted and now there is also bruising around my knee cap?

Knee cap: You might have pre patella bursitis. It's rare to rupture a vein. If it doesn't go away after a few days see a orthopedic doctor ...Read more

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Fell hit knee cap on wooden stair. Not bruised at sight but on left side of knee and hurts down front of leg and throbs at top of foot. Serious?

Fell hit knee cap on wooden stair. Not bruised at sight but on left side of knee and hurts down front of leg and throbs at top of foot. Serious?

Tough to say: It is difficult to tell on the internet. Are you on blood thinners? It is possible you have developed a hematoma or pinched a nerve. Most likely, the pain is referred to your foot and will resolve. If you can't bear weight, can't move your foot or have a loss of sensation see a doctor tonight. ...Read more

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I have 7 stitches in my right knee just below my knee cap after falling on a trail run yesterday. Swelling/bruising is minimal. Can I run today?

I have 7 stitches in my right knee just below my knee cap after falling on a trail run yesterday. Swelling/bruising is minimal. Can I run today?

Not recommended: The risks of vigorous activity after stitches is having the stitches tear out opening the wound. Better to walk and do gentle stretching. See your doctor for a wound check and if you continue to be concerned. ...Read more

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I twisted my rt knee bowling. It hurts below the knee cap and behind the knee with pain generating up the thigh and down to foot, bruise under knee?

I twisted my rt knee bowling. It hurts below the knee cap and behind the knee with pain generating up the thigh and down to foot, bruise under knee?

See medical provider: A twisting injury to your knee can be a number of things from a sprain to arthritis flair up or cartilage tearing. See a medical provider for an evaluation with X-rays. You may also need an MRI to look for ligament or cartilage tearing. ...Read more

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Burning or a cold sensation associated with my left knee below yhe knee cap no swelling that I can tell but it does have a puple color like a bruise?

Burning or a cold sensation associated with my left knee below yhe knee cap no swelling that I can tell but it does have a puple color like a bruise?

Nonspecific: These symptoms are nondiagnostic but may be due to some irritation of superficial nerve cells in the skin rather than a true inflammatory process of a tendon. Unless pain, more discoloration, or limitation of motion develop, I would hold off on any treatment or investigation at this time. See your Physician if symptoms persist or worsen. ...Read more

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Started PT for my knees due to a trip&fall 2wks ago. After a 2nd PTsession (massage), some little red veins appeared on the skin in the part left&above my left patella. That part hurt (burning) during massage. What caused them? Bruise? How can I treat them?

Started PT for my knees due to a trip&fall 2wks ago. After a 2nd PTsession (massage), some little red veins appeared on the skin in the part left&above my left patella. That part hurt (burning) during massage. What caused them? Bruise? How can I treat them?

Broken Blood Vessels: These are probably broken superficial blood vessels secondary to trauma and will resolve with time. The burning during message may be due to deep bruising. These will resolve with time. Continue PT and get better ...Read more

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What do you suggest? Hello, I steped into a hole a week ago and I now have a bruise covering my leg from the ancle to my upper thigh, I also have a huge bump the size of my knee cap on my knee just below my knee cap on the inner side of my knee, I was tol

What do you suggest? Hello, I steped into a hole a week ago and I now have a bruise covering my leg from the ancle to my upper thigh, I also have a huge bump the size of my knee cap on my knee just below my knee cap on the inner side of my knee, I was tol

You: You need to be seen in the er if your leg pain and swelling are worse. You could have a blood clot in your leg. It sounds like you have been doing everything right (elevating your leg) but your pain is getting worse. Please be seen immediately and be sure that you don't have a blood clot (deep venous thrombosis) in your leg. I am sorry that this has happened to you. ...Read more

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Sometimes I get bruised feeling along top of knee cap when squatting. Feels sore for a minute then goes. Aches a little aswell doesn't hurt when I run?

Sometimes I get bruised feeling along top of knee cap when squatting. Feels sore for a minute then goes. Aches a little aswell doesn't hurt when I run?

Pfs: Pfs is known as patella femoral syndrome. This is when there is irritation between the kneecap and the femur, the thigh bone. It is very common. Usually physical therapy will help a great deal. But you do need to know what to do, so make an appointment with your doc and ask for a therapy
prescription. ...Read more

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I have a small bump on the inner side of my knee cap. It hurts when I walk and kneel down. No idea what it is from. What is it thought it was a spider bite a few months back. Then it looked like a bruise and now is a bump a little smaller than a dime.

I have a small bump on the inner side of my knee cap. It hurts when I walk and kneel down. No idea what it is from. What is it thought it was a spider bite a few months back. Then it looked like a bruise and now is a bump a little smaller than a dime.

Yes,: Yes, please have it looked at. It sounds like it is a post-infectious swollen area. As it is persistent and you have pain, you need to be evaluated.

If you have increased redness, pain, fever, or discharge, then you will need to be seen in the emergency room. ...Read more

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A week ago, the vein on my knee cap burst & bruised. I put Ice on it. Now it's burning, has pain, & sudden onset bruising. What next?

A week ago, the vein on my knee cap burst & bruised. I put Ice on it. Now it's burning, has pain, & sudden onset bruising. What next?

Ruptured Vein: You should see a Vascular Surgeon right away to have your circulation evaluated. Your Vascular Surgeon will help you to determine the cause of the ruptured vein and sudden onset bruising which could be the result of vascular disease. Vascular Surgeons specialize in the treatment and evaluation of your arteries, veins and lymphatic systems. ...Read more

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I have purpleish red blotches that appeared on my knee caps. It's not a bruise, and my feet are numb. The spots are dry, hurt to touch. Very fatigued?

Your age?: We need to know your age. Please put it in your public profile. We cannot answer questions from minors. Knowing your country or state helps, too. Age, location, and gender, can affect our answer, since some conditions are more likely in different places or in different age groups. Be honest! You expect if of us, and we expect it of you ...Read more