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Test Accuracy, Risk Assesment
Hello Doctor Handsfield,
I´m 21 years old guy from Colombia so I apologize for my English.
On October 26 I had a sexual encounter with a friend who I met 2 years ago, He is a 18 years old bisexual guy who has a girlfriend rigth now. In the first penetration the condom broke, I felt it (I was the bottom), so He pulled out immediately and changed the condom. I think he was inside me 3 - 6 seconds at maxium.
I asked him about his sexual life and he told me that he was pretty sure he hasn't any ARS, altough he didn't has any test ever because he only had sex with his girlfriend and a few friends.
I convinced him to take an Elisa 4th generation 10 days after the encounter and it came non reactive, I'm pretty sure he didn't have sex with anyone 10 days before our encounter because he was on a trip in Miami with his parents. Since that test I do not talk to him anymore because he was so ungry with me.
I also took 2 Elisa 4th generation test, the first one 31 days after exposure and the second 42 days after exposure, both came non reactive.
The nurse who gave me the results, told me that those results were not reliable, and encouraged me to take 2 more at 3 and 6 months for a conclusive result. I asked a friend who is Doctor about this and he says to me that at 5 weeks the test has a 99% accuracy, so my 6 week test was conclusive, and told me that the mark in Australia is 6 weeks and that they have the best ARS Clinics.
Due the above information, I'm very confused. I don't know what to believe, so I want to ask you:
1. What do you think about my situtation/risk and what can I expect now?
2. How accurate is a 4th generation at 6 weeks?
3. Did you ever see a negative 6 weeks result change to positve, if you do, it is likely?
4. Do I need to take more tests (I'm planning to take one more test at 2 months (60 days)?
Many thanks for your time and response,
Juan.
I´m 21 years old guy from Colombia so I apologize for my English.
On October 26 I had a sexual encounter with a friend who I met 2 years ago, He is a 18 years old bisexual guy who has a girlfriend rigth now. In the first penetration the condom broke, I felt it (I was the bottom), so He pulled out immediately and changed the condom. I think he was inside me 3 - 6 seconds at maxium.
I asked him about his sexual life and he told me that he was pretty sure he hasn't any ARS, altough he didn't has any test ever because he only had sex with his girlfriend and a few friends.
I convinced him to take an Elisa 4th generation 10 days after the encounter and it came non reactive, I'm pretty sure he didn't have sex with anyone 10 days before our encounter because he was on a trip in Miami with his parents. Since that test I do not talk to him anymore because he was so ungry with me.
I also took 2 Elisa 4th generation test, the first one 31 days after exposure and the second 42 days after exposure, both came non reactive.
The nurse who gave me the results, told me that those results were not reliable, and encouraged me to take 2 more at 3 and 6 months for a conclusive result. I asked a friend who is Doctor about this and he says to me that at 5 weeks the test has a 99% accuracy, so my 6 week test was conclusive, and told me that the mark in Australia is 6 weeks and that they have the best ARS Clinics.
Due the above information, I'm very confused. I don't know what to believe, so I want to ask you:
1. What do you think about my situtation/risk and what can I expect now?
2. How accurate is a 4th generation at 6 weeks?
3. Did you ever see a negative 6 weeks result change to positve, if you do, it is likely?
4. Do I need to take more tests (I'm planning to take one more test at 2 months (60 days)?
Many thanks for your time and response,
Juan.
MEDICAL PROFESSIONAL
Thanks for the follow-up. Glad to hear your additional HIV test were negative, but of course not surprised.
It is unlikely you acquired any STDs during your single anal exposure, but A\absence of symptoms is no guarantee. For 100% assurance, see a doctor or clinic with experience in testing for rectal STDs, in particular rectal swabs for gonorrhea and chlamydia and a blood test for syphilis.
It is unlikely you acquired any STDs during your single anal exposure, but A\absence of symptoms is no guarantee. For 100% assurance, see a doctor or clinic with experience in testing for rectal STDs, in particular rectal swabs for gonorrhea and chlamydia and a blood test for syphilis.
Hello Doctor Handsfield,
First I want to thank you your response, it helped me a lot.
Second I want to let you know that I got 2 more duotests at 8 weeks and at 85 days after exposure and fortunately they came negative.
Finaly I want to know if I should worry about other STDs?, I didn't have any symptoms.
Lots of thanks Doctor,
Juan
First I want to thank you your response, it helped me a lot.
Second I want to let you know that I got 2 more duotests at 8 weeks and at 85 days after exposure and fortunately they came negative.
Finaly I want to know if I should worry about other STDs?, I didn't have any symptoms.
Lots of thanks Doctor,
Juan
MEDICAL PROFESSIONAL
Welcome to the forum.
Given his test result, it is very unlikely your partner has HIV. And your negative test result at 6 weeks shows for sure you weren't infected. Despite frequent advice to wait 3 months for reliable results, it really isn't necessary. To your questions:
1) No risk. You weren't infected.
2) 100% reliable, or very close to 100%.
3) No, I have never seen a negative result at 6 weeks become positive later. It probably never happens.
4) From a risk assessment standpoing, you don't need any more tests. But you are free to have additional tests if it will help convince you that you weren't infected.
Here is a thread that discusses why you see frequent advice about testing at 3 months or later, even though it isn't necessary: http://www.medhelp.org/posts/show/1347755
You needn't worry about this event. You weren't infected.
Regards-- HHH, MD
Given his test result, it is very unlikely your partner has HIV. And your negative test result at 6 weeks shows for sure you weren't infected. Despite frequent advice to wait 3 months for reliable results, it really isn't necessary. To your questions:
1) No risk. You weren't infected.
2) 100% reliable, or very close to 100%.
3) No, I have never seen a negative result at 6 weeks become positive later. It probably never happens.
4) From a risk assessment standpoing, you don't need any more tests. But you are free to have additional tests if it will help convince you that you weren't infected.
Here is a thread that discusses why you see frequent advice about testing at 3 months or later, even though it isn't necessary: http://www.medhelp.org/posts/show/1347755
You needn't worry about this event. You weren't infected.
Regards-- HHH, MD
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