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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Should I Be Worried For Large, Painless White Pimple On Penis?

I'm 15, never had sex. I found quite a large, painless white pimple on the shaft of my penis. I didn't intentionally pop it, it popped after I tried to stretch the skin to look at it (my penis was semi-erect, it may have stretched the size of the pimple causing it to pop)I have very recently been to China Once it popped some white, greasy puss came out followed by a small amount of blood. Now it is just a red mound. There was only one, and it was painless when I popped it and painless afterwords.
posted on Fri, 14 Mar 2014
Twitter Fri, 20 Mar 2015 Answered on
Twitter Mon, 23 Mar 2015 Last reviewed on
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Urologist,  's  Response
Hello
Thanks for query.
Based on what you have stated It seems that you have Sebaceous Cyst over shaft of the penis .
The penile skin is rich in sebaceous glands and hence prone to get more sebaceous cyst due to accumulation of sebum beneath the skin.

Normally they fade away without treatment however they need to be treated if increase in size or get infected.

You need to take broad spectrum antibiotic like Augmentin along with anti inflammatory drug like Diclofenac twice daily.

If does not subside consult qualified General Surgeon for clinical evaluation and further treatment.It may need to get excised in Toto (Completely along with the sac).
Dr.Patil.
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Should I Be Worried For Large, Painless White Pimple On Penis?

Hello Thanks for query. Based on what you have stated It seems that you have Sebaceous Cyst over shaft of the penis . The penile skin is rich in sebaceous glands and hence prone to get more sebaceous cyst due to accumulation of sebum beneath the skin. Normally they fade away without treatment however they need to be treated if increase in size or get infected. You need to take broad spectrum antibiotic like Augmentin along with anti inflammatory drug like Diclofenac twice daily. If does not subside consult qualified General Surgeon for clinical evaluation and further treatment.It may need to get excised in Toto (Completely along with the sac). Dr.Patil.