A member asked:

I tested twice on the insti rapid test blood from finger at 3 and 4 months post exposure both negative , now i read on some sources that hiv tests are conclusive at 6 months and some sources say 3 months , now i am really confused ?

Q: i tested twice on the insti rapid test blood from finger at 3 and 4 months post exposure both negative , now i read on some sources that hiv tests are conclusive at 6 months and some sources say 3 months , now i am really confused ?

: There are several types of HIV blood test, with differing times to conclusive results. Older antibody-only tests required up to 3 months. But the antigen-antibody (AgAb, "4th generation") blood tests, including Insti®, never take more than 45 days -- which can be rounded off to 6 weeks. No existing tests ever require more than 3 months.

A doctor has provided 1 answer

Dr. Hunter Handsfield answered

Specializes in Infectious Disease

There are several types of HIV blood test, with differing times to conclusive results. Older antibody-only tests required up to 3 months. But the antigen-antibody (AgAb, "4th generation") blood tests, including Insti®, never take more than 45 days -- which can be rounded off to 6 weeks. No existing tests ever require more than 3 months.

Dr Kuitems agreed

Answered 9/10/2023

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A member asked:

I tested twice on the insti rapid test blood from finger at 3 and 4 months post exposure both negative , now i read on some sources that hiv tests are conclusive at 6 months and some sources say 3 months , now i am really confused ?

A doctor has provided 1 answer

Dr. Hunter Handsfield answered

Dr Kuitems agreed

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