Hi, First of all, thank you for the great job you are doing here. I had a low risk (if any) exposure with a female sex worker of unknown std status (unprotected oral sex performed on me - protected vaginal sex). I did not think about it until 1 week after I started experiencing symptoms that COULD be hiv related (I know none of the symptoms are hiv specific). I had a 21 day hiv combi and a 28 day hiv duo ultra test, both of which were negative. I know my exposure was very little risk (probably zero if the condom did not break - didnt check at the heat of the moment) and my up to 28 day negative 4th gen hiv test is extremely encouraging and it is highly doubtful I am infected by hiv. My question however is, 1 week before the possible exposure and 5 weeks before last testing, I had stopped taking Diacerein, 100 mg daily, for my osteoarthritis. I had been taking the medication for 3 months at the time I stopped. I did some research on the Internet but my search did not bear any fruit. To the best of your knowledge, is diacerein considered among the substances (in specific the time frame and the amount I was taking) that could delay production of antibodies for hiv? If the answer is yes, would diacerein also mess with the p24 aspect of the test and do you think I should seek another form of testing, like PCR? Thank you in advance for your possible answer.