Lividi

Within 1–2 days, the blood loses oxygen and becomes darker.

When a blunt force impacts the body, it may not break the skin, but it can rupture the delicate capillaries underneath. This trapped blood initially appears as a flat or slightly raised mark. Over time, the body’s immune system breaks down the blood and reabsorbs it, which causes the bruise to change colour. The Colour Cycle Lividi

Informative resources such as Mayo Clinic and Cleveland Clinic suggest seeking medical advice if: Bruises appear frequently without a known cause or injury. Within 1–2 days, the blood loses oxygen and becomes darker

While most bruises heal on their own within two weeks, recovery can be managed through the method: Rest: Avoid further strain on the injured area. Over time, the body’s immune system breaks down

In the final stages (day 10–14), the substance becomes bilirubin before the mark fades completely. Prevention and Care

The shifting hues of a bruise are a visual indicator of the healing stages:

Apply a cold pack for 10–20 minutes several times a day during the first 48 hours to constrict blood vessels and reduce leaking. Compression: Use an elastic bandage to minimize swelling.