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<p><b>New page</b></p><div>{{Short description|Medical condition characterized by the whitening of the skin}}<br />
{{Infobox medical condition (new)<br />
| name = Blanch<br />
| image = <br />
| caption = <br />
| field = [[Dermatology]]<br />
| symptoms = Whitening of the skin<br />
| causes = Various, including [[circulatory system|circulatory issues]], [[pressure]], and [[cold]]<br />
| diagnosis = [[Physical examination]]<br />
| treatment = Depends on underlying cause<br />
| prognosis = Varies<br />
}}<br />
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'''Blanch''' is a medical condition characterized by the whitening or paling of the skin. This phenomenon occurs when the blood flow to a particular area of the skin is reduced or obstructed, causing the skin to lose its normal color and appear white or pale.<br />
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==Causes==<br />
Blanching can be caused by a variety of factors, including:<br />
* [[Circulatory system|Circulatory issues]]: Conditions such as [[Raynaud's phenomenon]] or [[peripheral artery disease]] can lead to blanching due to restricted blood flow.<br />
* [[Pressure]]: Prolonged pressure on the skin, such as from tight clothing or sitting in one position for an extended period, can cause blanching.<br />
* [[Cold]]: Exposure to cold temperatures can cause blood vessels to constrict, leading to blanching.<br />
* [[Infection]]: Certain infections can cause localized blanching of the skin.<br />
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==Diagnosis==<br />
Diagnosis of blanching typically involves a [[physical examination]] by a healthcare provider. The provider may press on the affected area to see if the skin turns white and then returns to its normal color when the pressure is released. This is known as the blanching test.<br />
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==Treatment==<br />
Treatment for blanching depends on the underlying cause. For example:<br />
* If blanching is due to circulatory issues, treatment may involve medications to improve blood flow or lifestyle changes such as exercise and diet modifications.<br />
* If blanching is caused by pressure, relieving the pressure by changing positions or wearing looser clothing can help.<br />
* For blanching due to cold, warming the affected area gradually can restore normal blood flow.<br />
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==Prognosis==<br />
The prognosis for blanching varies depending on the underlying cause. In many cases, blanching is a temporary condition that resolves with appropriate treatment. However, if blanching is due to a more serious underlying condition, such as a circulatory disorder, ongoing management may be necessary.<br />
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==See also==<br />
* [[Raynaud's phenomenon]]<br />
* [[Peripheral artery disease]]<br />
* [[Circulatory system]]<br />
* [[Dermatology]]<br />
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[[Category:Dermatology]]<br />
[[Category:Symptoms]]<br />
[[Category:Medical conditions]]<br />
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