
Is A Small Red Bump On Groin Area A Symptom Of Syphilis?

Unlikely be due to Syphilis.VDRL earlier than 4 weeks likely be false negat
Detailed Answer:
Hi,
Welcome to HCM.
Thanks for posting your query.
First of all,
Syphilitic ulcer in groin is not common. Sypilitic ulcer would be still more larger with a clear cut roled out edges and painless. It would not emit any pus or blood and an ulcer could not be able to pop up. (not a vesicle or a pustule). Your lesion is more reddish whereas Syphilitic one would be more like a ham coloured. So it is very much unlikely due to Syphilis. Possibility of folliculitis, Herpes simplex can be thought of from the picture.
In Syphilis blood result will become positive by 4 weeks after the contact or 1 week after the appearance of the lesion.
If you have the test before this period, you would be likely to have a false negative result.
Dr S.Murugan

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