Health 30/04/2025 18:49

Don’t Wait Until You’re Hospitalized to Regret It: Your Fingernails Have Been Warning You of a Serious Illness for Months!

Don’t Wait Until You’re Hospitalized to Regret It: Your Fingernails Have Been Warning You of a Serious Illness for Months!
Can You Tell Your Health Condition Just by Looking at Your Nails? Let’s Find Out!


Pale or White Nails

Sign: Nails appear pale, nearly white, or have lost their natural pinkish color.


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  • Anemia: Iron or vitamin B12 deficiency can cause pale nails, often accompanied by fatigue or dizziness.

  • Liver disease: White nails may signal liver dysfunction, such as hepatitis or cirrhosis.

  • Kidney disease: A condition known as "Lindsay’s nails" (half-white, half-pink) may be associated with chronic kidney disease.


Yellow Nails

Sign: Nails turn yellow, sometimes thicken, or become brittle.

  • Fungal infection: A common cause of yellow, crumbly, or peeling nails.

  • Lung disease: Yellow nails along with finger swelling can be a sign of chronic lung conditions like COPD.

  • Yellow nail syndrome: A rare disorder associated with lung disease and fluid buildup in the body.


Blue or Purple Nails

Sign: Nails or the skin underneath turns blue, purple, or blackish.

  • Low oxygen levels: Blue or purple nails may indicate heart or lung disease interfering with oxygen circulation.

  • Infection: Blue nails may also result from Pseudomonas bacterial infections, especially in those frequently exposed to water.


White Spots or Streaks

Sign: Small white spots or streaks appear on the nail surface.


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  • Zinc or calcium deficiency: Can be caused by poor diet.

  • Minor trauma: Bumping the nail may cause white spots, usually harmless.

  • Infection or allergy: In some cases, white spots result from allergic reactions or fungal infections.


Curved or Sunken Nails

Sign: Nails appear abnormally shaped — curved outward like a spoon (spoon nails) or dented in (pitted nails).

  • Spoon nails: Often linked to iron-deficiency anemia, hemochromatosis (iron overload), or thyroid disorders.

  • Pitted nails: Tiny dents may be signs of psoriasis, psoriatic arthritis, or autoimmune diseases.


Brittle, Easily Broken Nails

Sign: Nails crack, split, or peel easily.

  • Biotin deficiency: Biotin (vitamin B7) is essential for strong nails.

  • Thyroid issues: Hypothyroidism or hyperthyroidism can cause nail fragility.

  • Chemical exposure: Regular use of nail polish or cleaning agents may weaken nails.


Horizontal Lines or Grooves

Sign: Horizontal ridges or grooves appear across the nail surface.

  • Beau’s lines: Deep horizontal grooves may result from severe stress on the body, such as high fever, chemotherapy, or physical trauma.

  • Nutritional deficiency: Lack of protein or trace minerals can lead to visible grooves on the nails.

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