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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Bruising And Swelling On The Knees?

My son in law is 24, for months he has suffered from intermittently with an upset stomach, and throwing up. Sometimes he has a headache. I thought it was stress because he was graduating college and making major changes in his life. But, I was talking to my daughter today and she said he had a really ad headache and he was throwing up. She mentioned last week that he said his knee hurt for no reason, he did not hurt it. She said she looked at it and there was no swelling or anything and she moved it around very little and it seemed stable. The next morning she said it was bruised and swollen and very uncomfortable. Is there a concern?
Thu, 28 Feb 2019
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General Surgeon,  's  Response
Hi,

In your case, there are few possible causes and if there was no injury then some other chronic disorder may be present. Without more information, it is not enough to determine the diagnosis. It could be a hematoma (bleeding in the tissues) or a swollen knee joint capsule. If it's in the back of the knee then it could be a Baker's cyst. Clinical examination (and perhaps fluid aspiration if there's any) would help to determine the diagnosis. Either an orthopedics specialist or your primary care physician can do that.

Until then you can try to apply ice packs (not directly on the skin - wrap them with a towel) and perhaps use some painkillers starting with paracetamol (acetaminophen) and advancing to NSAID if paracetamol is not enough and there's no contraindication for NSAID.

Hope I have answered your query. Let me know if I can assist you further.

Regards,
Dr. Ivan R. Rommstein, General Surgeon
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What Causes Bruising And Swelling On The Knees?

Hi, In your case, there are few possible causes and if there was no injury then some other chronic disorder may be present. Without more information, it is not enough to determine the diagnosis. It could be a hematoma (bleeding in the tissues) or a swollen knee joint capsule. If it s in the back of the knee then it could be a Baker s cyst. Clinical examination (and perhaps fluid aspiration if there s any) would help to determine the diagnosis. Either an orthopedics specialist or your primary care physician can do that. Until then you can try to apply ice packs (not directly on the skin - wrap them with a towel) and perhaps use some painkillers starting with paracetamol (acetaminophen) and advancing to NSAID if paracetamol is not enough and there s no contraindication for NSAID. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Ivan R. Rommstein, General Surgeon