- Heart problems
- Lung disease
- Low oxygen levels
Other symptoms may include tiredness, chest pain, or swelling in the legs. If your nails suddenly start changing shape, check with your doctor.
Spoon-Shaped Nails: A Sign of Low Iron
Nails that curve up like tiny spoons often mean iron-deficiency anemia. This is common after pregnancy or with poor nutrition. Other signs include:
- Pale skin
- Headaches
- Fatigue
- Shortness of breath
A simple blood test can confirm anemia, and treatment usually involves iron supplements and diet changes.
Nail Pitting: Small Dents or Holes
Little dents in the surface of your nails can be linked to skin conditions like:
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