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Doctor insights on: What Is The Difference Between A Blood Clot And A Bruise

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I have sore bruise halfway across the back of my knee. I noticed it yesterday after feeling sore pain. I did not injury it. Could this be a blood clot?

I have sore bruise halfway across the back of my knee. I noticed it yesterday after feeling sore pain. I did not injury it. Could this be a blood clot?

Blood clot?: doubtful. Have you been traveling? need more history to guide you. Perform a virtual consult to get more information and be able to help you. ...Read more

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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What is the difference between bruises and blood clots?

What is the difference between bruises and blood clots?

Location: Blood clots occurs within blood vessels, when liquid blood solidifies. Outside of blood vessels, thiscollection is called a hematoma. A bruise occrs when capillaries are damaged and blood seeps out, usually after blunt trauma. Less severe than either of the above. ...Read more

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Can a bruise turn into a blood clot?

Can a bruise turn into a blood clot?

Not exactly: A bruise is blood in the tissue near the surface in general so you see it. It is "clotted" but localized and will resolve/ resorb over a week or two. A black eye is an example. ...Read more

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How fast after a severe bruise can a blood clot form?

How fast after a severe bruise can a blood clot form?

fast enough: Severity can trigger blot formation or hematoma esp. If you take blood thinner. ...Read more

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What can I do if my bruise turned hard, is it a blood clot?

What can I do if my bruise turned hard, is it a blood clot?

Hmm hard to say: Could be a hematoma. Could be a mass. If you are concerned see a doctor. Any blood clot in the lower extremities could migrate to yuor lung although i think it is unlikely. ...Read more

Blood Clot (Definition)

A blood clot or thrombus is the final step of the coagulation cascade. It is a good thing when your body is trying to stop blood loss, however a blood clot can form in the veins after prolonged periods of immobility. This type of like ...Read more


Dr. Melissa Gowans
2,022 doctors shared insights

Bruising (Definition)

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