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Doctor insights on: Bruise Behind Knee

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I have dvt, pe 2 yrs ago, take blood thinners & wear compression stocking. Have bad low back pain last 24 hrs & large bruise behind knee. Advise pls.

I have dvt, pe 2 yrs ago, take blood thinners & wear compression stocking.  Have bad low back pain last 24 hrs & large bruise behind knee. Advise pls.

Need exam: Sounds like you need a physical examination and blood work to recheck your inr level in your blood. You probably have a hematoma (blood collection) behind your knee. Sometimes these need to be drained. An exam is important to make sure you are not having neurological changes related to the back pain that might also mandate intervention. Don't delay! ...Read more

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Bruise Or Contusion (Definition)

Bruises, or ecchymoses, are discolorations and tenderness of the skin or mucous membranes due to the leakage of blood from an injured blood vessel into the surrounding tissues. A serious disease called pupura presents as a cluster of small bruises called petachia. Petachia often appears as many tiny red dots clustered together, and could indicate a problem. ...Read more


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My mother in law has a bruise behind her knee. She says it is sensitive. What can it be?

My mother in law has a bruise behind her knee. She says it is sensitive. What can it be?

Most likely varicose: Superficial in type when they get inflamed they are sensitive to touch, check with your doctor, advil (ibuprofen) and moist heat usually help. ...Read more

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I discovered a very deep and dark purple bruise behind my knee 2 days ago...It is swollen a bit and very sore. I do not remember hitting or banging it?

I discovered a very deep and dark purple bruise behind my knee 2 days ago...It is swollen a bit and very sore. I do not remember hitting or banging it?

Post knee bruise: Not unusual to have spontaneous rupture of a posterior knee cyst,without a history of trauma. expect bruising and discomfort to resolve gradually . Avoid activities and positions that produce increased discomfort. Use ice , alleve for 7- 10 days ...Read more

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I am 45 years old with a nickel size bruise behind my knee...it is painful to touch. Area is tender but not red and slightly swollen. 6 flights recent?

Please get examined.: The examination should include a careful physical examination, ultrasound, & lab tests. This should be dealt with with all haste. Please let me know the results of your evaluation. ...Read more

Dr. Melissa Gowans
2,023 doctors shared insights

Bruising (Definition)

Bruises may occur over skin that is injured. Bruising from very minor injury can be a sign ...Read more