A member asked:

Itchy skin. no rash. why does scratching cause bruising?

6 doctors weighed in across 2 answers

Trauma: Scratching causes the small superficial blood vessels to break and bleed.

Answered 1/22/2019

4.9k views

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Dr. Bradford Romans answered

Specializes in Internal Medicine

Trauma: To the small blood vessels under the skin causes them to break and bleed resulting in bruising.Also, as one ages, the skin becomes more thin , less elastic and fragile.If you are on Aspirin or other blood thinners, this will aggregate this mechanism.

Answered 1/22/2019

4.9k views

Thank

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