[Question #6167] Question regarding test results

18 months ago
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. 

I recently, after 24 days started getting a tingling sensation in the tip of my penis. I have had a history of this sensation and I have had prostatitis. I am not sure if I am noticing it more because I had sex with my wife after receiving the negative results and I am worried about passing something to her. It does not burn, or hurt when I urinate. Just a constant slight tingle in the tip. 

Should I feel confident in relying on the test results that I received after two weeks? 

Thank you for your help
Edward W. Hook M.D.
Edward W. Hook M.D.
18 months ago
 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. 

The trimethoprim-sulfa  you took would have little, if any, affect on risk for STI's and should not change your test results when the medication was finished a week before testing.  

 I would advise you not to worry further about STI's related to the encounter you describe. I hope this response is helpful to you. Take care. EWH 
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18 months ago
Roger that. Moving on. 

No recommendations for further or different tests, and cleared to continue relations with formally estranged spouse? 

Thank you, Doctor 
18 months ago
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.  
Thank you again 
Edward W. Hook M.D.
Edward W. Hook M.D.
18 months ago

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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18 months ago
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. 

Definitely not going down the road of second guessing your professional opinion.  

I was just curious if you recommend seeing a urologist due to my history of prostatitis . There is a slight stinging going on that is somewhat annoying. 

Thank you again 
Edward W. Hook M.D.
Edward W. Hook M.D.
18 months ago

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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18 months ago
Thank you doctor 
Edward W. Hook M.D.
Edward W. Hook M.D.
18 months ago
 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 ---