The Body: The Complete HIV/AIDS Resource
Follow Us Follow Us on Facebook Follow Us on Twitter Download Our App
Professionals >> Visit The Body PROThe Body en Espanol

How Do Doctors Determine How Long Someone Has Had Hiv

Here's a taste of what has to offer on this topic:
Get the Facts
AIDS InfoNet

HIV Resistance Testing

What Is Resistance? HIV is "resistant" to a drug if it keeps multiplying rapidly while you are taking the drug. Changes (mutations) in the virus cause resistance. HIV mutates almost every time a new copy is made. Not every mutation causes resistance. The "wild type" virus is the most common form of HIV. Anything different from the wild type is considered a mutation. An antiretroviral drug (ARV) won't control a virus that is resistant to it....
Ask the Experts

How Employers Can Determine Your HIV status

Dear Doctor:I know insurance companies are not allowed to disclose the name of an employee but they are allowed to share information about medical costs for a specific employee. Given the high cost for HIV treatment.(on average $20K per year and...
Jacques Chambers, C.L.U.

Response from Jacques Chambers, C.L.U.
I understand your point, and an employer can certainly speculate on why an employee has such high medical bills, even more so if it a person who is out at work. However, it is all speculation. How many employers (and other ignorant people) assume... Read more »

t-cell count determines hiv or aids diagnosis?

I remember my doctor at the time told me if my t-cell count dropped below 200, I would be considered to have Aids, but until then I am HIV+. Is this true? My t-cell count has dropped as low as 48, but is currently over 300. Can a person go from Hiv+...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
Hi,I'll repost below a question and response from the archives that addresses this concern. In brief, once a diagnosis of AIDS has been made, it is not rescinded, even if the CD4 count rebounds or the AIDS-defining opportunistic infection is... Read more »

Is it possible to determine how long I have been infected?

I recently tested positive for hiv. The only other time I tested was thirteen years ago, and it was of course negative. My cd4 count is 174 and my viral load is 497,000. ...
Benjamin Young, M.D., Ph.D.

Response from Benjamin Young, M.D., Ph.D.

Rocky Mountain CARES
Hello and thanks for posting.Sorry to hear about your recent diagnosis.No, it's not possible to accurately tell when one was infected (other than to have periodic HIV testing). Your CD4 count and viral load are consistent with being infected... Read more »

How are my meds determined?

I'll be going to see a doctor soon to start looking into starting meds (if the labs indicate the need). I've read on this forum about so many different kinds of meds. How are the meds tailored to an individual? Apparently not everyone is...
David Wohl, M.D.

Response from David Wohl, M.D.

University of North Carolina - Chapel Hill
Typically, a clinician will want to know what your T-cell count (also called CD4 cell count) and HIV viral load in the blood are first. How fast these results take to return is very variable. At my hospital in the US the T-cell count is done... Read more »
Connect With Others

what kinds of blood testing can determine HIV?

Posted by Anonymous, 1 Reply
What kinds of blood testing can determine HIV? i had a blood test rescently but i dont know what it is for yet. Im not sure if i have hiv or not and im just wondering if the blood test i had can determine if i have HIV eventhough i didnt get a... Read more »


Posted by Ngonyama, 3 Replies
Hi guys, im 22years old..i live in South Africa and was jst diagnosed in April 2011..after i was diagnosed, i was confused and didnt know what to think or where to look..i consulted a doctor and he put things into perspective fore me. Iv got a... Read more »

Long enough time to test?

Posted by Anonymous, 2 Replies
Many people who are worried about HIV exposure may not know the exact date they put themselves at risk. Luckily, I do know my potential exposure date (July 15). Knowing the window period is 6 months according to the CDC, if I test this week, how... Read more »

Comming to terms at long last

Posted by Anonymous, 1 Reply
Hi to all well, after 6 years I finally have to come to the
conclusion Im HIV. A doctor told me six yeaars ago that I had
thrush and that this prob meant I was HIV. I didnt belive them, I
had only ever had sex with 2 people, both protected and safe,... Read more »