Orthopaedics

Bruises on Legs for No Reason

While exercising or kick starting the bike, you notice bruised legs sometimes. Unexplained bruises on legs are bothersome. Several factors lead to bruises on legs for no reason. You must try to identify the exact cause for treating it. Following are some of the factors which lead to bruises on legs for no reason.

Bruises on Legs

Bruises on Legs

What are the Causes of Bruises on Legs for No Reason?

If the capillaries (tiny blood vessels) burst, break or develop a slight leak beneath the skin, it cause unexplained bruising. Often, bruises develop after you hit or bang yourself to something hard. Bleeding underneath the skin leads to bluish purplish or red mark on the skin. As the mark fades, it changes to different shades such as yellow or green bruises. Also, a bruise is referred to as ecchymosis or contusion. Bruising means an injury deep inside the tissues and muscles. It is a painful condition and usually lasts for 2 weeks. Read on to know more about the causes of bruises on legs:

Purpura Simplex

This is one of the causes of bruises on legs for no reason. Blood vessels are susceptible to breakage and lead to bruising on legs easily. Blood vessels may break easily without any exercise or injury. This is also known as vascular disorder and women are more afflicted with this condition. Bruises on legs are red and are located on calves and thighs are developed because of purpura simplex.

Inadequate Fat Layer

Body fat plays a very important role in protecting a person from bruises. If you do not have sufficient amounts of fat or a thin layer of fat, even a slight bump may lead to bruises on legs. Most people do not have adequate fat layer on their arms and legs. Fats act like a cushion and avoid bruises. Inadequate fat layer may cause bruises easily. Hence, you will never realize that even a casual bump cause

bruises on legs for no reason

. Hence, many people who are thin, old people and children are more susceptible to bruising.

Acanthosis Nigricans

This is a condition which explains the relation between unexplained bruises and diabetes. Diabetic patients observe black or brown patches on their skin, particularly on the creases and folds around the neck, armpits, groin and knee joint. This develops due to hyperpigmentation because of the presence of excessive insulin. Insulin may spill into the skin, particularly in Type II diabetic patients. If you are not diagnosed with diabetes, you must check for other symptoms. Other symptoms include blurred vision, frequent infections, fatigue and thirst. You must get tested for diabetes if you notice small bruises on legs and the above mentioned symptoms.

von Willebrand Disease

This a rare genetic disease which causes bruises on legs for no reason. Nearly, 1% of population suffer from this. In this condition, blood can’t clot properly and the person suffers from excessive nose and gums bleeding. People with this condition are prone to unexplained bruising. In some cases, symptoms are very mild and you may neglect them.

Other Causes

Medicines such as birth control pills, anti-inflammatory drugs, ibuprofen and aspirin aggravates the chances of developing unexplained bruises. Several underlying health conditions may lead to easy bruising. Following are some medical conditions which lead to bruising on legs for no reason:

  • Sepsis
  • Lupus
  • Hodgkin’s disease
  • Leukemia
  • Thrombocytopenia
  • Hemophilia
  • Multiple Myeloma
  • Scurvy
  • Ehlers-Danlos syndrome
  • Marfan’s syndrome

These are some conditions which trigger bruises on legs. If you notice yellow bruises on legs, it means the bruise is fading out. A bruise might have developed a few days back and you might have noticed it after it changed to yellow. Cold compress or ice pack helps in controlling swelling of bruises. Heat compress can also be used to cure bruises.

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