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Health Tip: If You Have a Bruise (HealthDay News) -- A bruise occurs when an impact or injury causes blood to pool in tissue beneath the skin. If you have a bruise, the U.S. National Library of Medicine recommends avoiding activities that could aggravate the area. You should never try draining the bruise with a needle, and should be aware of extreme pain, swelling, or pressure that doesn't go away. These may indicate a serious condition that requires immediate medical attention. You should also contact your doctor if you tend to bruise very frequently or easily, or if there are signs of infection -- including redness, discharge, or fever.
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