Platonychia

Platonychia is a medical condition characterized by flat nails. It is often associated with other nail abnormalities such as koilonychia (spoon nails), onycholysis (separation of the nail from the nail bed), and onychomadesis (shedding of the nails).

Causes

Platonychia can be caused by a variety of factors. These include:

• Iron deficiency: This is the most common cause of platonychia. Iron deficiency can lead to a number of nail abnormalities, including platonychia.
• Trauma: Physical injury to the nail can cause it to become flat.
• Systemic disease: Certain systemic diseases, such as liver disease and kidney disease, can cause platonychia.
• Nail biting: Chronic nail biting can lead to platonychia.

Symptoms

The primary symptom of platonychia is flat nails. Other symptoms can include:

• Pain: Some people with platonychia experience pain, especially when pressure is applied to the nail.
• Discoloration: The nails may become discolored, often turning a yellowish or brownish color.
• Brittleness: The nails may become brittle and prone to breaking.

Diagnosis

Diagnosis of platonychia is typically made through a physical examination of the nails. In some cases, a doctor may also order blood tests to check for underlying conditions that could be causing the platonychia.

Treatment

Treatment for platonychia depends on the underlying cause. If the platonychia is caused by iron deficiency, for example, treatment may involve iron supplements. If the platonychia is caused by a systemic disease, treatment will focus on managing that disease.

See also

• Nail disease
• Nail anatomy
• Nail conditions

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