For those who wake up at night to check on the house or go to the bathroom.

BE CAREFUL, if you get these bruises on your body, it means you have…

Have you ever noticed that you bruise easily? Those black-and-blue marks that eventually turn yellow may not only look unsightly, but sometimes they’re painful and even a sign of something more serious. While bruises often result from harmless bumps or injuries, in some cases they can indicate an underlying medical issue.

This article explains what bruises are, why they form, possible causes—including vitamin deficiencies—and when you should consult a doctor.

What Is a Bruise?
The medical term for a bruise is ecchymosis. It happens when small blood vessels break under the skin, causing blood to pool beneath the surface. Unlike a cut where blood escapes outside the body, bruises trap blood internally.

Common causes include bumping into furniture, minor falls, or even having blood drawn. The bruise appears dark red, purple, blue, or black at first, then changes colors—green, yellow, or brown—as your body reabsorbs the blood during healing.

When to Be Concerned
Bruises on arms and legs are usually harmless. However, you should see a doctor if:

Bruises appear on your abdomen, back, genitals, ears, or hands.

They occur frequently without clear cause.

They do not begin to fade within a few days.

They last longer than two weeks.

Vitamin Deficiencies Linked to Bruising
Certain vitamin shortages can make you bruise more easily:

Vitamin C deficiency: Vitamin C is essential for producing collagen, which strengthens blood vessels. Without enough, vessels become fragile and bruise easily. Smokers are particularly at risk.

Vitamin K deficiency: Vitamin K is crucial for blood clotting and capillary strength. Low levels may slow clotting and increase bruising.

Vitamin D and B vitamins: Low levels can also contribute to increased susceptibility to bruising.

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