As stated, Curved Nails sometimes indicate an underlying medical condition. This condition may be temporary such as from an environmental pathogen like fungus or sometimes it can be caused due to chronic medical conditions. Some of the medical conditions that cause Curved Nails include:[3] Iron De...
Nails can take on an unusual or unnatural shape. One such shape deformation is known as“spoon nails” (koilonychia)– the nail plate softens and becomes concave, taking on a scooped-out appearance (i.e. forming a depression). The‘scoop’may be big enough...