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There are many common causes of nail splitting, the medical term for which is onychoschizia. Fingers and fingernails are easy to injure. People can catch them in doors, pinch them under a heavy object, or catch them on something and cause a rip.
Any number of traumatic events can cause a small or large split. If the injury is severe, it may also affect the nail bed.
A common symptom of anxiety is picking or biting at the nails. This can lead to them splitting more easily. Psoriasis is a condition that affects the skin, causing outbreaks of red scaly areas and patches, or plaques. Psoriasis may weaken nails and make them more prone to splitting. Though much less common, several potential underlying conditions can cause nails to split more easily.
They may need to remove the nail completely. They may also need to stitch the nail bed. If possible, they may reattach the nail using either stitches or glue. A person should contact their healthcare provider if they notice any of the following symptoms, as they may require additional medical treatment:. It is not always possible to prevent split nails. However, a person can take certain precautions and make lifestyle changes to help prevent damage to their nails.
Fixing a split nail often involves a home remedy that either mends it, such as with glue, or hides it, such as with a fake nail.
Preventing split nails usually involves a combination of lifestyle measures, such as wearing gloves while doing chores and not exposing the nails to harsh chemicals. Doctors call the condition onychoschizia. Nails consist of layers of a protective fibrous protein called keratin that also occurs in skin and hair.
Keratin makes the nails strong, but external trauma or an underlying health condition can cause thin layers of the nail to peel away. When this occurs, it can leave the nails looking thin. They may also feel sensitive or uncomfortable. Mild iron deficiency is often the cause of peeling nails. However, some external causes and underlying health conditions can also produce this symptom.
Nails can take a long time to grow, so the results of external trauma may not become visible until many months later. A mild iron deficiency is more likely than a severe underlying health condition to be the cause of peeling nails. However, it is still useful for people to be aware of other conditions that may cause peeling nails. If they have any other relevant symptoms in addition to peeling nails, they will know to mention these to a doctor.
Below, we cover the additional symptoms of conditions that may cause peeling, brittle, or discolored nails. Without treatment, a mild iron deficiency can become more serious and may lead to anemia.
Anemia occurs when the body is low in healthy red blood cells and does not have enough hemoglobin available. An underactive thyroid does not produce enough hormones. As well as brittle nails, an underactive thyroid may cause:. According to the American Lung Association , the symptoms of lung disease may include:. According to a article , brown discoloration on the upper half of the nail may indicate kidney disease.
The recommended daily intake of iron is 18 milligrams mg.
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