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A 18-year-old male asked:

I have dark veins popping out of my penis, especially when i have an erection, dark veins mean lots of waste product, should i drink more water ?

1 doctor answer • 1 doctor weighed in
Dr. John Fung
Dr. John Funganswered
General Surgery 40 years experience
Normal: Discoloration of the penis during or shortly after erection should not be concerning. During erection, increased blood flow to the penis may lead to reddening, or even look purplish in color. This is not toxicity.
4k viewsAnswered >2 years ago
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Last updated Jun 4, 2014

Found in:

Male health

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