Causes, Symptoms, Treatmenent,home remedies for bruises

Published: 22nd March 2010
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A bruise, also called a contusion, is a type of relatively minor in which capillaries and sometimes venules are damaged by trauma, allowing blood to seep into the surrounding extracellular space. Bruises can involve capillary at the level of skin, subcutaneous tissue, muscle, or bone.

Bruise often become more prominent as time lapses, resulting in additional size and swelling.

General factors modifying size and shape of bruises



Bruise caused by a handrail, typical of



Severe bruises caused by car accident





Bruise caused by a bad landing while snowboarding

• In soft tissues, a larger area is bruised than would be in firmer tissue due to ease of blood to invade tissue.

• Additional bruising occurs in females due to increased subcutaneous fat.

• Although the same size, bruise are more prominent in fair complexion.

• More extensive vascular causes more bleeding.

• Better striking forces cause greater bruising.

• Even though having completely normal coagulation factors, natural redheads have been shown to bruise more, although this may just be due to greater visibility on commonly-associated fair complexion.



Bruises develop when small blood vessels under the skin tear or rupture, most often from a bump or fall. Blood leaks into tissues under the skin and causes the black-and-blue color. As bruises (contusions) heal, usually within 2 to 4 weeks, they often turn colors, including purplish black, reddish blue, or yellowish green. A bruise on a leg usually will take longer to heal than a bruise on the face or arm

Most bruise be not a cause for concern and will go away on their own. Home treatment possibly will speed healing and relieve the swelling and soreness that often accompany bruises that are caused by injury. But severe staining, swelling, and pain that begin within 30 minutes of an injury may mean a more serious problem, such as a severe sprain or fracture.

If you bruise simply, you may not even remember what caused a bruise. Bruising simply does not mean you have a serious health problem, especially if bruising is minimal or only shows up once in a while.

• Older adults often bruise easily from minor injuries, particularly injuries to the forearms, hands, legs, and feet. As a person age the skin becomes less flexible and thinner because there is less fat under the skin. The cushion effect of the skin decreases as the fat under the skin decreases. These change, along with skin damage from exposure to the sun, cause blood vessels to break easily. When blood vessels shatter, bruising occurs.

• Women bruise more easily than men, especially from minor injuries on the thighs, buttocks, and upper arms.

• A inclination to bruise easily sometimes runs in families.

Rarely after an injury, blood collects and pools under the skin (hematoma), giving the skin a spongy, rubbery, lumpy feel. A standard bruise is more spread out and may not feel like a firm lump. It is not the same thing as a blood coagulates in a vein, and it does not cause blood clots.

Bruises that do not materialize to be caused by an accidental injury may be caused by abuse. It is important to consider this risk, especially if the bruises cannot be explained or if the explanations change or do not match the injury. Report this type of bruising and seek help to prevent further abuse.

Blood spots

Blood spots under the skin may be either purpura or petechiae. Purpura may look like bruises, but they are not caused by an injury as most regular bruises are. Petechiae don't look like bruises.



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