What causes purple spots on my legs

Bruises are not always harmless

A bruise as a result of blows, falls or sports injuries usually heals without consulting a doctor. But there are other cases as well.

© dpa

First blue and purple, then green, then yellow: it usually takes two to three weeks for a bruise to go away.

A bruise is easy to get. Once again not paying attention and thundering against the edge of the table, the bed or anything else hard: the pain often passes quickly. What remains for some time is the bruise - a bruise. Often it is harmless. But a hematoma can also be dangerous.

What is a bruise?

"A bruise or bruise is bleeding in the body without blood leaking out," says Peter Walger, senior doctor for internal intensive care and infectious diseases at the Johanniter clinics in Bonn. "The bruise occurs when tissue is squeezed, tearing microvessels under the skin," explains Munich sports physician Prof. Martin Halle. This causes bleeding.

What are the causes of a bruise?

In addition to thundering in the opposite direction, falls, blows or kicks can of course lead to bruises. A hematoma can also occur after a blood sample or during an operation. Those who have to take blood-thinning medication are more susceptible. People with impaired blood clotting are at risk of spontaneous bleeding. Even a small bump can cause a large hematoma. Immediate medical attention is always required here. "Bruising occurs more often with increasing age," says Walger. Because the vessels can tear faster.

Bruises for no reason - what's behind them?

The cause should definitely be clarified by a doctor. "It can be a harmless tendency to bruise," explains Walger. It is also possible that the bruise is the side effect of taking medication. Sometimes there is also a disturbed blood coagulation behind a previously unknown disease. A tumor disease can also be the cause.

When do bruises become dangerous?

If, for example, there is bleeding into internal organs or the brain, the patient can often only be helped with an operation. Cerebral haemorrhages are very dangerous. Surgery may also be necessary if there is a bruise in a joint, for example. If this is not removed, the joint could stiffen in the worst case.

After bumps and falls: what should be done?

The affected area should be cooled as soon as possible. The cold causes the blood vessels to contract. This prevents the bruise from getting bigger and reduces swelling. Elevating the affected area protects the injured tissue.

When does a bruise need professional care?

If there are symptoms such as circulatory problems, fever or restricted mobility. "The same applies to nausea, dizziness and unconsciousness in the case of head injuries," says physician and naturopath Thomas Sokollik from Kreuztal (North Rhine-Westphalia).

When does the bruise go away again?

A visible bruise will usually go away after about two to three weeks.

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Source: dpa

| Updated: Wednesday, March 24, 2021 8:41 PM

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