Malnutrition, such as deficiencies of vitamins B12, C, or K, or folic acid.Inflammation of a blood vessel ( vasculitis).Some types of cancer, such as Hodgkin's disease, leukemia, or multiple myeloma.Chronic inflammatory diseases, such as lupus.A bleeding or clotting disorder, such as hemophilia, von Willebrand's disease, thrombocytopenia, or another less common bleeding or clotting disorder.Infection that causes the buildup of toxin in the blood or tissues ( sepsis).A medicine, such as aspirin or blood thinners ( anticoagulants).Sudden unexplained bruising or blood spots under the skin or a sudden increase in the frequency of bruising may be caused by: They are tiny, flat, red or purple spots in the skin, but they are different than the tiny, flat, red spots or birthmarks (hemangiomas) that are present all the time. Purpura might look like bruises, but they are not caused by an injury as most regular bruises are. Blood spotsīlood spots under the skin may be either purpura or petechiae. Report this type of bruising and seek help to prevent further abuse. It is important to consider this possibility, especially if the bruises can't be explained or if the explanations change or do not match the injury. It is not the same thing as a blood clot in a vein, and it does not cause blood clots.īruises that do not appear to be caused by an accidental injury may be caused by abuse. A hematoma usually is not a cause for concern. A regular bruise is more spread out and may not feel like a firm lump. Occasionally after an injury, blood collects and pools under the skin (hematoma), giving the skin a spongy, rubbery, lumpy feel. A tendency to bruise easily sometimes runs in families.Women bruise more easily than men, especially from minor injuries on the thighs, buttocks, and upper arms.When blood vessels break, bruising occurs. These changes, along with skin damage from exposure to the sun, cause blood vessels to break easily.
The cushioning effect of the skin decreases as the fat under the skin decreases. As a person ages, the skin becomes less flexible and thinner because there is less fat under the skin. Older adults often bruise easily from minor injuries, especially injuries to the forearms, hands, legs, and feet.Bruising easily does not mean you have a serious health problem, especially if bruising is minimal or only shows up once in a while. If you bruise easily, you may not even remember what caused a bruise. But severe bruising, swelling, and pain that begin within 30 minutes of an injury may mean a more serious problem, such as a severe sprain or fracture. Home treatment may speed healing and relieve the swelling and soreness that often accompany bruises that are caused by injury. Most bruises are not a cause for concern and will go away on their own. A bruise on a leg usually will take longer to heal than a bruise on the face or arms. Sometimes the area of the bruise spreads down the body in the direction of gravity. As bruises (contusions) heal, usually within 2 to 4 weeks, they often turn colours, including purplish black, reddish blue, or yellowish green. Blood leaks into tissues under the skin and causes the black-and-blue colour. Bruises develop when small blood vessels under the skin tear or rupture, most often from a bump or fall.
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