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smooth red spot on penile shaft

A 37-year-old member asked:
Dr. Ravi Chauhan
22 years experience Urology
Have an exam: This may be nothing more than an abrasion. However, a physical exam is needed to evaluate for a communicable disease or even a cancer

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A member asked:
Dr. Michael Fisher
32 years experience Dermatology
Spot in Groin: A red spot can be caused by many things. It can be due to a fungal infection. The other possibilities are an allergy, dermatitis, or other infection ... Read More
A 18-year-old male asked:
Dr. Ben Noble
Dr. Ben Noble answered
17 years experience Family Medicine
Painless lump: This is very unlikely to be serious. It’s difficult to comment without seeing the lesion but this a common area to have blocked/inflamed hair follicle ... Read More
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1 thank
Dr. Hunter Handsfield
53 years experience Infectious Disease
Lichen planus?: Your description suggests possible lichen planus, a minor kind of dermatitis, not serious and easily treated. Google it to see photos, Whehter LP or s ... Read More
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1 thank
A 34-year-old male asked:
Dr. Heidi Fowler
25 years experience Psychiatry
Penile lesion: We could only guess without visualizing and getting more history.
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1 thank
A 22-year-old male asked:
Dr. Scott Rudkin
23 years experience Emergency Medicine
Syphilis?: It is hard to say without seeing the lesion, but a a painless chancre on the penis is a classic finding of syphilis. Did you get any blood testing?
A 21-year-old male asked:
Dr. Martin Raff
56 years experience Infectious Disease
No way to know: Without being able to visualize this and obtain further history any comment would be nothing but a guess. You need to show this to a doctor and be dia ... Read More
A 28-year-old female asked:
Dr. Mark Diamond
46 years experience Pediatrics
Irritation: Irritation caused by something unknown to me is the probable cause. Clean and apply vaseline several times per day. If no improvement in 2-3 days, see ... Read More
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3 thanks
A 17-year-old male asked:
Dr. James Lin
A Verified Doctor answered
A US doctor answered Learn more
Just watch...: The described red spot might have been there all along your life, but just recently noticed. If so, just a tiny harmless vessel cluster, or a mole. So ... Read More
A 38-year-old member asked:
Dr. Daniel Saurborn
23 years experience Diagnostic Radiology
Penis red spot: Penis bumps can be many things. Some STDs, some not. Only general advice can be given without a photo or physical exam. Top 2 photos are non-STDs: For ... Read More

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