I am a male and recently had protected vaginal sex with a female that I met. I performed unprotected cunnilingus as well. After 14.5 days I had NAAT tests for chlamydia, gonorrhea, trichomoniasis and RNA HIV. All tests came back negative. I should mention that I took sulfameth/trimethoprim for about a week after the encounter for something else. 

 Welcome to our forum and thanks for your question. I will do my best to help. The encounter you describe was very low risk. Condoms with worn throughout a sexual encounter are highly effective and few STI's are contracted through cunnilingus.    In addition, your symptoms have occurred quite late to be related to the encounter you described and are not at all typical of any STI.   Finally, your test results which will be completely reliable at 14 days affectively rule out the STI's you tested for. I would not be at all concerned that the tingling you have noted is related to an STI. ---

Roger that. Moving on. 

Also is there a reason I would be getting this tingling/burning sensation. Should I see a urologist for it. Once again it doesn’t hurt, but as of yesterday I am always aware of it.  

Correct.  I see no reason for additional testing and no reason to abstain from unprotected sex with a regular partner.

As far as reasons are concerns, one possibility is a completely understandable tendency to "look" for symptoms, focusing on your genitalia.  When a person does this, there is a tendency to become aware of normal sensations which are otherwise ignored and overlooked. 

Hope this helps. EWH

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Understood. I have been symptom free and going about my life. A week had passed after my negative results and then the tingling hit and was enough to interrupt  my sleep last night. 

If this sensation was severe enough to wake you from sleep and kept you from sleeping, it should be evaluated.  A urologist would be reasonable.  This sort of symptom however is not typical of prostatitis and if you have had prior issues with prostatitis, I would anticipate a recurrence to cause similar sensations to any prior episodes that might have occurred.  It is not clear to me if these sensations, which you indicate you have had before, were associated with prostatitis or not. They do not however suggest and STI.  EWH

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Thank you doctor 

 You are welcome. As you know we provide up to three responses for each persons question. Therefore this thread will be closed now. I hope my comments have been helpful to you. Take care.  EWH ---