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What causes bruising?

Updated: 4/26/2024
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13y ago

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  • Bruises can occur in some people who exercise rigorously, such as athletes and weight lifters. These bruises result from microscopic tears in blood vessels under the skin.
  • Unexplained bruises that occur easily or for no apparent reason may indicate a bleeding disorder, especially if the bruising is accompanied by frequent nosebleeds or bleeding gums.
  • Often, what are thought to be unexplained bruises on the shin or the thigh, for example, actually result from bumps into a bedpost or other object and failing to recall the injury.
  • Bruises in elderly people frequently occur because their skin has become thinner with age. The tissues that support the underlying blood vessels have become more fragile.

A collection of blood from damaged blood vessels under the skin
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13y ago
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4h ago

Bruising is typically caused by damage to blood vessels under the skin, leading to blood leaking out and forming a visible mark. This damage can result from injury, trauma, or certain medical conditions that affect blood clotting or vessel integrity. Aging and certain medications can also increase susceptibility to bruising.

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13y ago

A collection of blood from damaged blood vessels under the skin

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