11 Health Warnings Your Fingernails May Be Sending

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7. Cracked or Split Nails

  • Possible Cause: Hypothyroidism, psoriasis, or vitamin deficiencies.

  • Note: Chronic dryness can also cause brittleness.

8. Pitting (Small Dents)

  • Possible Cause: Psoriasis, eczema, or alopecia areata.

  • Note: Often seen in autoimmune conditions.

9. Red or Brown Streaks on the Nail

  • Possible Cause: Endocarditis (infection of the heart valves) or trauma.

  • Note: These streaks are called splinter hemorrhages.

10. Nail Clubbing

  • Possible Cause: Chronic lung disease, heart disease, liver disease.

  • Note: Nails appear rounded and bulbous, often associated with oxygen deprivation.

11. Horizontal Ridges (Beau’s Lines)

  • Possible Cause: Severe illness, malnutrition, chemotherapy, or uncontrolled diabetes.

  • Note: Deep ridges can indicate a period of slowed nail growth due to illness.

💡 Tip: While fingernail changes can hint at health issues, they are not definitive diagnoses. If you notice persistent changes, consult a healthcare professional for proper evaluation.

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