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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Is The Cause Of Bruise On Leg Without Apparent Injury?

Hello, I am a 50yr old African American woman. I have a history of sacardosis. Diagnosed in 1989. I also have some discolored veins on my legs. My question today is, I woke up last week with a big bump on my right leg, right behind the knee, right on the veins. It didn t hurt at first. I noticed it when showering. However, after a couple of days it started to hurt at the touch, then it was gone, but now it looks like a huge bruise(blood clot??) is black/blue/purple in color that has spread on the back of my knee. Looks like i got beaten up black & blue on my legs. What is this? Should i go to emergency room? It doesn t hurt but my daughter is worried.
posted on Sun, 26 Jan 2014
Twitter Mon, 3 Feb 2014 Answered on
Twitter Tue, 4 Feb 2014 Last reviewed on
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Orthopaedic Surgeon, Joint Replacement,  's  Response
Hello,
Thanks for your query.
** Unexplained bruising once in while is understandable but if occurs frequently should be investigated thoroughly since it can indicate an underlying medical condition or ailment. it has been observed that bruises are often observed more on women than men. Women often complain of bruising on legs, thighs, buttocks and upper arms. Thinner people are more prone to bruising as they lack the fat cushion that helps prevent injury. It may also be due to deficiency of vitamin C, vitamin B12, folic acid and vitamin K.
Many times taking medications like aspirin, ibuprofen, non steroidal anti-inflammatory drugs, and even birth control pills increases chances of sudden bruising. Topical and systemic corticosteroids cause skin thinning, making one prone to bruises. Many a time bruising can be caused due to liver ailments, kidney diseases and blood disorder.

I do hope that you have found something helpful and I will be glad to answer any further query.
Take care
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What Is The Cause Of Bruise On Leg Without Apparent Injury?

Hello, Thanks for your query. ** Unexplained bruising once in while is understandable but if occurs frequently should be investigated thoroughly since it can indicate an underlying medical condition or ailment. it has been observed that bruises are often observed more on women than men. Women often complain of bruising on legs, thighs, buttocks and upper arms. Thinner people are more prone to bruising as they lack the fat cushion that helps prevent injury. It may also be due to deficiency of vitamin C, vitamin B12, folic acid and vitamin K. Many times taking medications like aspirin, ibuprofen, non steroidal anti-inflammatory drugs, and even birth control pills increases chances of sudden bruising. Topical and systemic corticosteroids cause skin thinning, making one prone to bruises. Many a time bruising can be caused due to liver ailments, kidney diseases and blood disorder. I do hope that you have found something helpful and I will be glad to answer any further query. Take care