Changing color of nails can indicate a serious disease.
Your Nails Mirror Internal Health: 8 Warning Signs Never Ignore
New Delhi: February 20, 2026
Your nails act as a mirror to internal health. Changing nail color or structure can signal serious underlying conditions.
8 Critical Nail Signs
-
Yellow Nails
Thick yellowing often indicates fungal infection. Serious cases signal diabetes, thyroid issues, lung disease, or jaundice. -
Blue/Purple Nails
Indicates low blood oxygen levels from lung infections (pneumonia) or heart problems. -
Pale/White Nails
Severe paleness shows anemia (blood deficiency), liver disease, or malnutrition. -
Spoon Nails
Concave, spoon-shaped nails point to severe iron deficiency or liver problems. -
Clubbing
Swollen fingertips with upward-curving, bulbous nails signal chronic lung or heart disease. -
Brittle/Thin Nails
Rapid breaking or thinning suggests hypothyroidism, biotin, or vitamin deficiency. -
Black Streaks/Lines
Dark lines or spots under nails may indicate melanoma (skin cancer)—seek immediate medical attention. -
Pitting (Small Dents)
Tiny surface pits signal early psoriasis or arthritis.
Essential Advice: These signs suggest health issues but don’t self-medicate. Always consult specialist doctor for proper diagnosis and tests.
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