Hello Doctor, On 08-15-11 at about 4:00AM, after a long night out a buddy we took two women back to his apt. I received unprotected oral sex and made the mistake of allowing unprotected vaginal sex for approximately 10-15 seconds. The woman was a complete stranger. Upon coming home, I began to worry and took a 400mg Suprax I had about 1 hour after the incident. Approx. 16 hours later I began a regiment of Doxycycline Hyclate (100 mg) 2x daily for 7 days. I took every dose on time for the entire 7 days. On 08-19-11, my anxiety continued to grow and I began to have slight, nagging discomfort at the tip of my penis. No burning while urinating, no discharge that I can tell, just this discomfort. As I said, however, I have had severe anxiety and have been what I consider over self examining myself for symptoms. My question is, is the amount of antibiotics I took and the timing I took them sufficient in treating/preventing Chlamydia/Gonnorhea? Also, I want to actually get tested, but know by consuming the antibiotics I probably will not have an accurate test for several weeks. What is the likelihood if I get tested approximately 1 week after completing treatment using urine NAAT of a false negative even with the recommended treatment? I understand the possibility that if I was infected I may have a false positive due to dead bacteria. Thank you