A purple bruise typically heals completely in about two weeks. The purple stage itself usually lasts from day one or two through roughly day five to ten, after which the bruise shifts to green, yellow, and brown before fading entirely. Larger or deeper bruises can take longer, and where the bruise is on your body makes a noticeable difference.
Why a Bruise Turns Purple
When you bump into something hard enough to damage the tiny blood vessels beneath your skin, blood leaks into the surrounding tissue. That pooled blood initially looks red or pink. Within a day or two, the trapped blood loses its oxygen, and the color deepens to dark purple, blue, or black. This is the stage most people picture when they think of a bruise, and it’s what prompts the search: how long will this last?
The Full Color Timeline
A bruise moves through a predictable sequence of colors as your body breaks down and reabsorbs the leaked blood. Each color reflects a different stage of that cleanup process.
- Day 0: Red or pinkish from fresh blood under the skin.
- Days 1 to 2: Dark purple, blue, or black as the blood loses oxygen.
- Days 5 to 10: Green or yellow. Your immune cells break the oxygen-carrying protein in blood into a green pigment, which is then converted into a yellow waste product.
- Days 10 to 14: Yellowish-brown or light brown. What remains is the iron component of the blood, giving the bruise its final faded tint before it disappears.
Most bruises resolve fully within two weeks. A bruise that’s still visibly purple after seven to ten days is on the slower end of normal but not necessarily a concern, especially if it was a hard impact or covers a large area.
What Makes Some Bruises Heal Slower
Not all bruises follow the two-week script. Several factors push that timeline out further.
Location matters more than most people realize. A bruise on your leg will typically take longer to heal than one on your face or arm. Gravity pulls the leaked blood downward in your lower extremities, sometimes causing the bruise to spread before it starts to fade. Legs also have less blood flow relative to the face, which slows the cleanup process.
Size and depth play a role too. A small bruise from a minor bump follows the standard timeline fairly closely. A deep, large bruise from a serious impact, sometimes called a hematoma when blood collects in a raised lump, can take three to four weeks or longer to fully resolve. These larger bruises often spread and shift position as gravity moves the blood through tissue layers.
Age changes your skin’s resilience. As you get older, your skin thins and the fatty tissue that cushions blood vessels shrinks. Blood vessels themselves become more fragile. The result is bruises that form more easily and stick around longer.
Medications That Slow Healing
If your bruises seem to last longer than they should, what you’re taking daily could be the reason. Several common medications reduce your blood’s ability to clot, which means more blood leaks out after an injury and the bruise starts larger and takes longer to clear.
Over-the-counter pain relievers like aspirin, ibuprofen, and naproxen all thin the blood to some degree. Prescription blood thinners and anti-clotting medications have a much stronger effect. Some antibiotics, antidepressants, and corticosteroids (which thin the skin itself) can also contribute. Even certain supplements, particularly ginkgo biloba, carry a mild blood-thinning effect that shows up as easier, longer-lasting bruises.
If you take any of these and notice bruises lasting well past two weeks, it’s worth mentioning to whoever prescribed them. The bruising itself isn’t dangerous in most cases, but it signals that your clotting is meaningfully reduced.
Can You Speed Up Healing?
There’s no way to make a bruise vanish overnight, but a few approaches can shorten the process or at least keep it from getting worse.
In the first 24 to 48 hours, ice helps. Applying a cold pack wrapped in cloth for 10 to 20 minutes at a time constricts the damaged blood vessels, limiting how much blood leaks into the tissue. Less leaked blood means a smaller bruise with less cleanup work for your body. Elevating the bruised area above your heart, when practical, works on the same principle by reducing blood flow to the site.
After the first couple of days, gentle warmth can help. A warm compress increases circulation to the area, which helps your body carry away the breakdown products faster. This is the opposite advice from the ice phase, so timing matters.
Topical treatments like arnica gel and vitamin K cream are widely marketed for bruises. Some clinical research has explored whether these formulations speed up resolution when applied twice daily, but the evidence remains limited. They’re unlikely to cause harm, but you shouldn’t expect dramatic results.
When a Bruise Signals Something Else
A single purple bruise after you walked into a table corner is nothing to worry about. The pattern worth paying attention to is when bruises appear frequently, without a clear cause, or in unusual locations. Multiple unexplained bruises, particularly on your torso, neck, or behind the ears, suggest something beyond normal bumps and scrapes.
Bruises that are unusually large relative to the injury, that keep growing days after the impact, or that come with other symptoms like nosebleeds, bleeding gums, or tiny red dots on the skin can point to a clotting disorder or blood disease. A bruise that feels hard, grows more painful over time rather than less, or doesn’t change color at all over a week warrants a closer look from a doctor rather than more patience at home.