A member asked:

Big hard bump on penis shaft, skin color, beneath hair follicle since last 5 days. not painful. taken amoxicillin 500mg *5d course for follicular bump on my bum. applying mupirocin. last sexual exposure jan 2020. july 2020 all std, rpr -ve. syphilis?

A doctor has provided 1 answer
Dr. Hunter Handsfield answered

Specializes in Infectious Disease

Syphilis doesn't show up with anything like this. Probably folliculitis or a sebaceous cyst. Keep your hands off (no squeezing etc) and see a doctor. Good luck.

Answered 5/7/2023

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