5) In case the tests missed something, most STDs, including all those that might have caused
urethral infection (which is what
the early burning pain of the penis might have suggested), would have been cleared up by the antibiotic treatments you describe. 6) At least two physicians (or is it three?), including a dermatologist and urologist, can find nothing wrong and have reassured you.
Conclusion: You have no STD. Period, full stop.