The term clubbing is used to describe the swelling or enlarging of the tips of the fingers, with the nails curving downwards over the tip. While some people are born with clubbing, if it develops later on it can be a symptom of lung disease, congenital heart disorders, inflammatory bowel disease or liver problems.

Why are my nails flat and curve down?

In the condition known as koilonychia, the nails are flattened and have concavities. This condition may be associated with iron deficiency. In onycholysis the nails become loose. They may even detach from the nail bed.

How do I keep my nails from curling down?

Biotin Supplement to Prevent Curling of Nails. Biotin is a water-soluble vitamin, which means that it is light and safe to use. This supplement is used for hair regrowth as well. It has been proven to tackle curling nails.

Should nails be flat or curved?

A healthy body supports the growth of healthy nails, which should curve to the natural shape of the finger. If you look at the end of your nails you should see a rainbow-type curve, or half-moon shape, if you will.

What deficiency causes bent nails?

Koilonychia is an abnormal shape of the fingernail. The nail has raised ridges and is thin and curved inward. This disorder is associated with iron deficiency anemia.

What does sunken fingernails mean?

Spoon nails (koilonychia) are soft nails that look scooped out. The depression usually is large enough to hold a drop of liquid. Often, spoon nails are a sign of iron deficiency anemia or a liver condition known as hemochromatosis, in which your body absorbs too much iron from the food you eat.

Why is my nail not straight?

Koilonychia (spooning)

Koilonychia is when your fingernails have raised ridges and scoop outward, like spoons. It’s also called “spooning.” Sometimes the nail is curved enough to hold a drop of liquid. Spooning can be a sign that you have: iron deficiency anemia.