| Pitted Nails | Psoriasis, eczema or parasites. |
| Horizontal ridges (Beau's lines) | Flu, malnutrition, hormonal disorders or anemia |
| Lengthwise grooves | Kidney disorders, iron deficiency;
also associated with general aging. |
| Splitting- Vertical nails | Calcium deficiency - tendency to develop arthritis. |
| Horizontal white streaks | Sickle cell disease, heart disease.
Hodgkin's disease or kidney failure. |
| Vertical red streaks | Rheumatoid arthritis, high blood pressure or
psoriasis. |
| Brittle nails | Vitamin A, Calcium or Iron deficiency,
thyroid problems, impaired kidney function or circulation problems. |
| White spots | Zinc deficiency |
| White nails | Liver or kidney disorders or anemia. |
| Yellow nails | Diabetes, liver problems, trouble with the
respiratory or lymph system. |
| Deep blue nails | Pulmonary obstructions such as asthma or
emphysema. |
| Nails bending | Rheumatoid arthritis |
| Thick nails | Blood is not circulating properly. |
| Flat, spoon shaped nails | Vit B-12 deficiency, anemia or thyroid disease. |
| Clubbed purple nails - rise upward
and curl around the fingertips |
Lung, Liver, colon or heart disorders. |
| White moon area turns red | Heart Problems. |
| White moon area turns slate blue | Lung trouble or over exposure to silver. |
| Downward curved nail ends | Heart, Liver or Respiratory problems. |
| Nails that chip or crack easily | Nutritional and /or mineral deficiency. |