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How Long Does Ritonavir Take To Work

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Get the Facts
AIDSinfo

An Overview of Norvir (Ritonavir)

... rit-ON-uh-veer --> Brand Name: Norvir Other Name(s): RTV Drug Class: Protease Inhibitors Ritonavir, also known as Norvir, is a type of medicine called a protease inhibitor (PI). PIs act by blocking protease, a protein that HIV needs to make more copies of itself. HIV/AIDS-Related Uses Ritonavir was approved by the FDA
Ask the Experts

How Quickly do drugs work?

My friend in Mexico was diagnosed quite late--after a bout with p.pneunomia and karposi's sarcoma. He is somewhat weak and not fully recoverd from the pneumonia. The Karposi's is small, but getting worse. He just started taking Kaletra and...
Benjamin Young, M.D., Ph.D.

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

Rocky Mountain CARES
...for your post.I'm happy to hear that your Mexican friend has found his way to antiretroviral therapy. The combos of lopinavir/ritonavir (Kaletra) and AZT/3TC (Combivir) should be very potent and if adhered to, should drive his viral load to... Read more »

how long should I expect meds to continue working?

I've been diagnosed 10 years. diagnosed w/aids and pcp 10yrs ago 90 cd4 count viral load off the charts. Probably have been infected 20 yrs(know this because of last at risk behavior was then)Have been on 3 or 4 different med regimens, still on...
Eric Daar, M.D.

Response from Eric Daar, M.D.

UCLA School of Medicine
...regimen, taking the medications consistently and have undetectable viral loads I would assume that the medications will work for as long as you need them. Obviously I can't prove it but I would be very optimistic.You are correct that because of... Read more »

No replacements for ritonavir in the works?

Hello, wonderful doctor people! I've been following the scandal/hubbub over ritonavir since the price increase happened last December, and noticed that a lot of the complaints of docs like you and activists stem from the fact that ritonavir is the...
David Wohl, M.D.

Response from David Wohl, M.D.

University of North Carolina - Chapel Hill
...The ritonvir price increase just happened. Even imagining that there is a ritonavir-like drug on some pharmaceutical company shelf somewhere, the company would need to embark on a series of clinicial studies to Read more »

first combo final combo?

Dr.Boyle When hiv specialist choose medications for hiv these days do they assume that the combo is eventually going to fail or do they initially belive that if the combo is adhered to it will work indefinately? If a person stays faithful to...
Brian Boyle, M.D., J.D.

Response from Brian Boyle, M.D., J.D.

Cornell University, Weill Medical College
...stays religiously adherent to the regimen the failure rate for the more potent regimens (e.g., those that involve lopinavir/ritonavir [Kaletra] or efavirenz [Sustiva/Stocrin]) should be in the 1-3% range per year of therapy. Thus, while failure... Read more »
Articles
The Well Project

Pharmacokinetics

...down. But enzymes are also affected by drugs. This has proven to be very useful in HIV therapy. Here's an example: Norvir (ritonavir) is a protease inhibitor (PI) that makes the enzymes work slower. This keeps other drugs in the body longer. So... Read more »
AIDS InfoNet

Diarrhea

...rates of these problems. Antiretroviral Medications: These can cause diarrhea. This is often true with nelfinavir (Viracept), ritonavir (Norvir), Kaletra (lopinavir plus ritonavir), ddI (Videx), foscarnet (Foscavir), tipranavir (Aptivus) and... Read more »
The Well Project

HIV Drugs and the HIV Lifecycle

...Aptivus (tipranivir) Crixivan (indinavir) Invirase (saquinavir) Kaletra (lopinavir plus ritonavir) Lexiva (fosamprenavir) Norvir (ritonavir) Prezista (darunavir or... Read more »
AIDS InfoNet

Clarithromycin (Biaxin)

... Be sure your health care provider knows about all the medications and supplements you are taking. The protease inhibitors ritonavir (Norvir) or lopinavir (Kaletra) can increase blood levels of clarithromycin. Clarithromycin may change blood... Read more »
Connect With Others

Meds - How long to adjust?

Posted by calguy2009, 2 Replies
...3 weeks - a night mare. Now on Epzicom and Viramune for 2 weeks and will start 2x dosing Viramune tonight. Question - I have long bouts of fatigue, with spurts of some energy and no appetite to speak of. I'm hoping that this will pass. How long... Read more »

Hey folks - Bummed out and need your help!

Posted by RayZ, 3 Replies
...Hey-Been using this site for a long time, but never posted before. I have been POZ since 1987, which was contracted in 1984. And, I am still here!! I have been Read more »

RE:how long meds work

Posted by Anonymous, 2 Replies
Hi pals. I was wondering if anyone on the regimen: Viracept+Combivir has any idea how good this regimen is. I want to know what's the average period of time some of you have been on these meds for. I've been taking them for about 7 months and on... Read more »

How long should I wait for testing to work?

Posted by Anonymous, 4 Replies
My girlfriend watched a video in school saying that it could take ten years, while testing every five months, to determine if you have AID's. Is there any truth to that? Read more »