Beau's lines
Beau's lines (pronounced boz lines) are horizontal, often deep, grooves in the nail plate of the fingernails or toenails.
Etymology
The term "Beau's lines" is named after the French physician Joseph Honoré Simon Beau, who first described this condition in 1846.
Definition
Beau's lines are transverse depressions in the nail plate that run parallel to the shape of the white, moon-shaped portion of the nail bed (known as the lunula). They occur after or during a severe illness, such as a systemic infection, malnutrition, or metabolic disturbances, which temporarily disrupt nail formation.
Symptoms
The main symptom of Beau's lines is the appearance of horizontal lines or ridges on the nails. These lines can occur on one or more nails, and can occur on the nails of the hands, the feet, or both. The lines are usually similar in depth and width on each nail, and they usually appear on all nails at the same time.
Causes
Beau's lines can be caused by a number of conditions, including systemic illnesses, severe malnutrition, and certain medications. They can also be caused by trauma to the nail bed or matrix, or by severe stress. Some specific causes of Beau's lines include:
- Chemotherapy
- Malnutrition
- Myocardial infarction (heart attack)
- Pneumonia
- Severe infection
Treatment
Treatment for Beau's lines primarily involves addressing the underlying cause. Once the cause is treated, the lines will typically grow out and disappear as the nail grows. In some cases, a doctor may recommend using a nail hardener or other topical treatment to help improve the appearance of the nails.
See also
External links
- Medical encyclopedia article on Beau's lines
- Wikipedia's article - Beau's lines
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