Top
10
Doctor insights on: Behind My Knee Bruising

Share
Dr. Melissa Gowans
1,385 doctors shared insights

Ecchymoses (Definition)

Ecchymoses are bruises. Bruises are purple or red collections of blood under the skin that appear after blood vessels in the skin break, causing the blood to spread through the tissues ...Read more


2

2
I have what looks like bruising/discoloration behind my knee, but it's painless. It's a brown color, not purple/blue. What could be the cause?

I have what looks like bruising/discoloration behind my knee, but it's painless. It's a brown color, not purple/blue. What could be the cause?

Ecchymosis: This pigment could be due to breakdown products of red blood cells which stain the skin brownish yellow. Perhaps a tiny capillary or vein ruptured spontaneously and painlessly in the area. This pigment usually fades away gradually over a few weeks. Your physician can advise you further if necessary. ...Read more

See 1 more doctor answer
5

5
What could cause bruising behind my knee 5 days after straining my mcl?

What could cause bruising behind my knee 5 days after straining my mcl?

Bleeding: When you sprain the mcl, you tear the ligament. This caused bleeding in the location of the tear. You probably elevated the knee, so the blood travelled behind your knee and collected where you see bruising. That is completely normal. It may even become sore in the bruised area because of an inflammatory response. ...Read more

See 1 more doctor answer
6

6
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

7

7
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?

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

9

9
Lower back pain getting worse. Shoots down back of leg. Just noticed black bruising behind my knee, are these related, and should I be worried?

Lower back pain getting worse.  Shoots down back of leg.  Just noticed black bruising behind my knee, are these related, and should I be worried?

Injury, vascular : The bleeding suggest some type of trauma. Need to discuss this with your position. You could be a muscle tear, it could be a vascular issue, because even be a ruptured Baker's cyst. Your physician will have you evaluated to see what the diagnosis is ...Read more

10

10
I have had a dry cough for over a month now and metallic taste in my mouth after coughing. & a bruise came up behind my knee overnight. ?

I have had a dry cough for over a month now and metallic taste in my mouth after coughing. & a bruise came up behind my knee overnight. ?

Medical care: I don't know what risk factors you might have for an underlying cause, but,regardless, a cough that lasts a month or more requires evaluation. The metallic taste might be an associated symptom, especially if you have infection in your sinuses or bronchial passages. As to the bruise behind your knee, only further evaluation will reveal what's causing it. ...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