Today is 30th day after sex. it was paining and found wound in urethra tip of my pennis.my mouth ulcer stand for two weeks. Yesterday i took endoscopy it shows gErd,pan gastritis, duodinitis on my stomach. I took the hiv test on 18th day after sex it was negative. Now i am afraid i may got hiv or any other std pls help me what are the test to be taken. Ot was paining in urethra.