what is dark circles under the eyes a sign of?
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Dark circles under your eyes usually are not a sign of a medical problem. Dark circles under the eyes are usually caused by being tired. Sometimes, what appear to be dark circles under your eyes may merely be shadows cast by puffy eyelids or hollows under your eyes that develop as a normal part of aging.
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Periorbital dark circles are dark blemishes around the eyes. There are many causes of this symptom, including heredity and bruising.
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A black eye is the appearance of bruising around the eyes. It's usually the result of trauma to the head or face, which causes bleeding beneath the skin. When the small blood vessels, or capillaries, beneath the skin break, blood leaks into the surrounding tissue. This is what causes the discoloration or bruising.
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If you see a dark outline around your iris -- the colored part of your eye -- this is your limbal ring. It is darkest when we are at our healthiest and naturally fades with age and poor health.
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Dehydration. Dehydration is a common cause of dark circles under your eyes. When your body is not receiving the proper amount of water, the skin beneath your eyes begins to look dull and your eyes look sunken. This is due to their close proximity to the underlying bone.
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Dark circles and eyebags - although often used alternately - are actually two different things. The key difference is that while dark circles are characterized by the darkening of the under-eye skin, eye bags pertain to the swelling around the eyes.
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Causes of Dark Circles in Infants The most common cause is the thin delicate skin under the baby's eyes which highlight the blood vessels making them look darker. Dark circles are also genetic and can be inherited. If members of the family have it they shouldn't be surprised if their babies have them too.
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The area under the eyes can appear darker due to constricted blood vessels causing hyperpigmentation, or from thinning of the skin around the eyes. All causes of dark circles under the eyes include: lack of sleep or poor sleeping habits. allergies, including hay fever.
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Dark circles or even sunken eyes for weeks or months mean there's a hidden problem: a liver problem. It's true for children, too. This symptom has everything to do with a toxic, dehydrated liver creating toxic, dirty blood.
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Dark Spots and Marks Sometimes it's in the form of acne scars, but often these are pigmented dark spots or marks that appear after pimples have healed. The technical name for these unpleasant acne reminders is post-inflammatory hyperpigmentation (PIH) and they typically appear tan or dark brown in color.
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Puffy, swollen eyelids and dark circles under the eyes can occur when you have an eye infection such as pink eye. In some cases, inflammation from dry eye syndrome also can cause puffy eyes. Kidney failure and other systemic diseases can cause swelling throughout the body, including around the eyes.
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Anemia. The lack of nutrients in the diet, or the lack of a balanced diet, can contribute to the discoloration of the area under the eyes. It is believed that iron deficiency can cause dark circles as well.
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It has also been discussed that iron deficiency, also commonly known as anemia, can lead to the formation of dark circles around the eyes. With an iron deficiency, the blood is unable to efficiently transport oxygen to your body's tissues, in this case leading to the skin around the eyes, appearing darker as a result.
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The skin around the eyes is more fragile, more prone to dryness, and quicker to show age and fatigue. Squinting and constant movement of the eyes also hasten the appearance of lines and wrinkles, and fluids collect under the eyes and cause puffiness and dark circles. Eye creams can address some of these issues.
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Dark spots on the skin, or hyperpigmentation, occur when some areas of the skin produce more melanin than usual. Melanin gives the eyes, skin, and hair their color. Dark spots on the skin are not a cause for concern and do not need treatment, though people may choose to remove them for cosmetic reasons.
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Genetics. Family history also plays a part in developing dark circles under your eyes. It can be an inherited trait seen early in childhood, and may worsen as you age or slowly disappear. Predispositions to other medical conditions — such as thyroid disease — can also result in dark circles beneath your eyes.
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Dark circles under the eyes usually aren't a medical problem. If discoloration and swelling appear under just one eye and seem to get worse over time, talk to your primary care doctor. If you want a more lasting solution than concealers and over-the-counter creams can provide, see a dermatologist for advice.