Normal Cd4 Levels In Children

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CD4 (T-Cell) Tests

What Are CD4 Cells? CD4 cells are a type of lymphocyte (white blood cell). They are an important part of the immune system. CD4 cells are sometimes called T-cells. There are two main types of CD4 cells. T-4 cells , also called CD4+, are "helper" cells. They lead the attack against infections. T-8 cells (CD8+) are "suppressor" cells that end the immune response. CD8 cells can also be "killer" cells that kill cancer cells and cells infected...

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CD4 counts vs CD4 percentage (ABSOLUTE CD4 COUNT VERSUS CD4%, 2008)

Dr. Frascino, I am a little new to dealing with HIV. I was diagnosed about 9 months ago. I was wondering what the CD4 percentage was. Because my CD4 count had changed from 510 to 409 in a three month period but the CD4 percentage had risen by 1%....

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hey College Guy,I'll reprint below some information about absolute CD4 cell counts and CD4%. The CD4% is the more accurate test, as it is less susceptible to variations related to concurrent phenomena (diurnal variation, other infections, etc.)... Read more »

Absolute CD4 count down while CD4% up. (ABSOLUTE CD4 COUNT VERSUS CD4%)

Hello Dr. Bob,You are wonderful and doing very important job :) . I have never seen such a Doctor who has an excellent sense of humor and plays the piano. Btw, I play the cello :) . Now my question. My time of infection is between 2006 02 and 2006...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hello Cello-Guy,I strongly disagree with the advice your doctor gave you regarding absolute CD4 counts versus CD4%! I reviewed this topic in detail recently in this forum. Consequently, rather than retyping the same information, I will instead... Read more »

Why CD4 goes down while CD4% goes up (ABSOLUTE CD4 COUNT VERSUS CD4%, 2009)

Hi Dr. Bob, it is a real pleasure to read your answers full of help, professionalism, generosity and fun. I started therapy at an absolute CD4 of 405 and 26% and VL above 100k, I started Atripla six months ago after the first three months my CD4...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hi,When it comes to monitoring HIV disease, it's important to look for long-term trends rather than worry about transient swings, especially in absolute CD4 counts. Absolute CD4 counts are calculated from the absolute lymphocyte counts. The... Read more »

CD4 Count V. CD4% Count (ABSOLUTE CD4 COUNT VERSUS CD4%, 2010) (WHEN TO START TREATMENT, 2010)

Hi,I was diagnosed with HIV around 15 months ago. Since then my health has been good (especially in the last six months) but my CD4 count has fallen a bit rapidly from 470 to 371 to 324 over this time period. However, my CD4 percentage count has...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hello,You are correct: The CD4% is generally considered the more accurate indicator of immune integrity, as it doesn't tend to fluctuate as much due to intercurrent illnesses and other non-HIV-related factors. (See below.)Regarding beginning... Read more »

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CD4 percentages

Posted by Anonymous, 1 Reply

I just had one question concerning the cd4 level. In a healthy, non-infected individual, does the cd 4 percentage change, or is that supposed to remain constant? I have heard that it is supposed to remain constant?
Also, if i was infected say 31... Read more »

cd4

Posted by Anonymous, 2 Replies

Dear Uhoh,

On a previous post you said you had low cd4 counts yet have tested negative to hiv (I think you must be well beyond the window period?). I am still freaking about my low cd4 counts - I wish I had never had my CD4 count done! I have tested... Read more »

treatment starting at higher cd4

Posted by alive2, 1 Reply

now that people are being told to start medication at a higher cd 4 number does this pose a bit of apprehencion? will the first prescribed medications last longer? is it a ploy by big pharmacutical companies?
to me i worry when the cdc or reports... Read more »

Unusual case. Ongoing Low CD4 - HIV possible?

Posted by Tryin2BRational, 4 Replies

I wrote awhile back outlining a one-time risky exposure in March 2006(unprotected vaginal sex) with a female of unknown status. I contacted her and she told me she did not have HIV, but I doubted her veracity (I had two consectutive rounds of... Read more »

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