Are your fingernails healthy, or sending you a health warning?
Fingernails and disease don’t go together in most minds… but they should. Your fingernails can give you valuable health warnings and signal the presence of serious disease.
Take a good long look at your nails. Hold a hand level with your nose about a foot out from your face and scrutinize each one.
Look at the curves, dips, ridges, and grooves. Check out how thick or thin they are and if your nails are chipped or broken. Make a note of the color of the nail itself, the skin under it, and the skin around the nail.
Check your memory – have your nails always looked like this? Changes to your fingernails and disease onset are linked, so note any new developments. With this fresh view, compare what you see with this list of eight potential fingernail health warnings.
1. Discolored nails
A healthy fingernail should be pink with a touch of pinkish white (moons) near the base. If your nails are a dull color or streaked with other colors, you may have a serious hidden health problem.
Green nails are a sign of bacterial infection
Red streaks in your nail bed are a warning of a heart valve infection
Blueish nails signal low oxygen levels in your blood
Dull nails mean a vitamin deficiency
White nails may signal liver disease, such as hepatitis
Dark stripes at the top (Terry’s nails) are associated with aging and congestive heart failure.
Scrub those nails clean and really look at your nail color! Given the “rainbow” of potential health challenges, you want to be sure you see what your fingers are saying.
2. Thick nails
Thick nails are not natural. You want your nails to be strong, but if they resemble talons or claws more than traditional nails watch out!
Thickened nails that are otherwise normal can signal lung disease
Thick and rough-textured nails can signal a fungal infection
Thick and separated nails may mean thyroid disease or psoriasis
Unusual thickness may also be a symptom of a circulation problem
Thickening nails are a change that should tune you in to other health symptoms you may be ignoring. Also watch out for allergic reactions to new medications which can show up as suddenly thick nails!
3. Split nails
Split nails aren’t just occasionally chipped or shut in doors. Instead, these nails seem to flake away in layers. Don’t blame frequent handwashing or nail polish for everything, especially since:
Split nails result from folic acid, Vitamin C, and protein deficiencies
Split nails combined with a pitted nail bed (base) can signal psoriasis, which begins in nails 10% of the time according to WebMD
Split nails may result from chronic malnutrition
Watch what you eat and check the psoriasis connection to fight back and pay more attention to your health overall.
4. Concave (Spoon) nails
Spoon fingernails signal a number of internal issues. To be considered full spoons, nails will be soft and curve up, forming a dip that is often big enough to hold water. Spoon nails signal:
Iron deficiency (usually from anemia)
Hemachromatosis, a liver disorder where your body absorbs too much iron
Your fingernail and health challenges go hand in hand – for many people, clearing up their health issue results in their spoon nails returning back to normal.
5. Pitted nails
Small dips or holes in your nails can be a result of banging up your hands – or they could be a sign that you need to look more closely at your health. Nail pitting can signal:
Connective tissue disorder
Alopecia areata, an autoimmune disorder that causes hair loss
Zinc deficiency (when the pit seems to form a line across the middle of your nail)
Watch your hand to separate natural dents and dings from real, lasting pits. The first will clear up quickly, but pits linked to disease linger.
Nails should have smooth surfaces with almost imperceptible lines. Obvious ridge lines are a signal that something is up with your body. Some of the most common conditions associated with heavy ridge lines are:
Lupus (for red lines at the base of your nails)
Don’t just buff away your ridges – hear their warning!
7. Dry, brittle nails
You don’t need lotion or cuticle oil. If your nails are dry and brittle, you should check your hormone levels and bacterial health.
Thyroid disease leads to brittle, dry fingernails that crack and split easily
Fungus can make nails dry or even crumbly, affecting 12% of all Americans according to the American Academy of Dermatology
Both thyroid and fungal issues take time to treat, so you won’t see a difference in the look of your fingernails for a full growth cycle.
8. Clubbed nails
If you have plump skin that seems to swell around the nail, or if your nails seem to have puffed around your fingers, they are said to be “clubbed”. Clubbed nails can mean:
Lung disease, especially if you already have trouble breathing
Inflammatory bowel disease
Your fingernails won’t be the only signs of these diseases, but they can provide confirmation or motivation to seek medical care.
Don’t ignore your hands or the health warnings they send. Fingernails and disease are more closely related than you think – check your nails often to protect your health!
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