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== Staining of the Nail Plate ==

'''Staining of the nail plate''' (pronunciation: /ˈsteɪnɪŋ ɒv ðə neɪl pleɪt/) is a medical condition that refers to the discoloration or change in the natural color of the [[nail plate]]. This can be due to various causes, including fungal infections, trauma, or exposure to certain chemicals or medications.

=== Etymology ===

The term "staining" comes from the Old English "stæning", meaning to color or dye. The term "nail plate" is derived from the Latin "nail" (unguis) and "plate" (platus), referring to the flat, hard surface of the nail.

=== Causes ===

Staining of the nail plate can be caused by a variety of factors. These include:

* [[Fungal infections]]: These can cause the nail plate to become discolored, often turning it yellow, green, or black.
* [[Trauma]]: Injuries to the nail can cause blood to pool under the nail plate, leading to a dark, stained appearance.
* [[Chemical exposure]]: Certain chemicals, such as those found in nail polish or cleaning products, can stain the nail plate.
* [[Medications]]: Some medications can cause nail discoloration as a side effect.

=== Diagnosis ===

Diagnosis of nail plate staining typically involves a physical examination of the nail by a healthcare provider. In some cases, a sample of the nail may be taken for laboratory testing to determine the cause of the discoloration.

=== Treatment ===

Treatment for staining of the nail plate depends on the underlying cause. This may include antifungal medications for fungal infections, avoiding exposure to certain chemicals, or changing medications if they are the cause of the staining.

=== Related Terms ===

* [[Nail bed]]: The skin underneath the nail plate.
* [[Nail matrix]]: The part of the nail where new nail cells are produced.
* [[Onychomycosis]]: A fungal infection of the nail.
* [[Subungual hematoma]]: A collection of blood under the nail, often due to trauma.

[[Category:Medical Conditions]]
[[Category:Dermatology]]
[[Category:Podiatry]]

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