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Does Atazanavir Interact with Etravirine?

CDI records a unknown classification for Atazanavir and Etravirine. The stored summary is: dolutegravir/darunavir/ritonavir ↓ dolutegravir ↔ etravirine The effect of etravirine on dolutegravir plasma concentrations was mitigated by co- administration of darunavir/ritonavir or lopinavir/ritonavir, and is expected to be mitigated by atazanavir/ritonavir. dolutegravir/lopinavir/ritonavir ↔ dolutegravir ↔ etravirine Dolutegravir should only be used with etravirine tablets when co- administered with atazanavir/ritonavir, darunavir/ritonavir, or lopinavir/ritonavir. HIV-antiviral agents: protease inhibitors (PIs) atazanavir (without ritonavir) atazanavir/ritonavir atazanavir/cobicistat darunavir/ritonavir darunavir/cobicistat fosamprenavir (without ritonavir) fosamprenavir/ritonavir indinavir (without ritonavir) lopinavir/ritonavir ↓ atazanavir ↓ atazanavir ↔ etravirine ↓ atazanavir ↓ cobicistat ↓ etravirine ↓ cobicistat darunavir: effect unknown ↑ amprenavir ↑ amprenavir ↓ indinavir ↓ etravirine Co-administration of etravirine tablets and atazanavir without low- dose ritonavir is not recommended. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This record was extracted from drug labeling through openFDA. NIH/NLM RxNorm is used for drug identities. The summary and severity classification are CDI's processed information, not a verbatim source quotation. Product, route, and patient circumstances matter.

Severity: Unknown
Etravirine Class: Human Immunodeficiency Virus 1 Non-Nucleoside Analog Reverse Transcriptase Inhibitor
Management: Consult your pharmacist
Data Source: U.S. FDA via OpenFDA

What To Tell Your Doctor or Pharmacist

If you are taking Atazanavir and your doctor is considering prescribing Etravirine (or vice versa), make sure to:

Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
Ask whether the benefits of combining these medications outweigh the risks for your specific situation
Ask what symptoms to watch for that would indicate the interaction is causing problems
Never stop or change either medication without first consulting your healthcare provider

💊 Atazanavir(Evotaz)+💊 Etravirine(Intelence)

Severity & Interaction Details

ℹ️

unknown

Interaction documented — severity unclassified

The CDI record includes an interaction but its severity has not been classified.

Severity scale

MinorContra

On record

Yes

Drug A class

—

Drug B class

Human Immunodeficiency Virus 1 Non-Nucleoside Analog Reverse Transcriptase Inhibitor

Source

FDA drug label - etravirine

What this means in plain English

dolutegravir/darunavir/ritonavir ↓ dolutegravir ↔ etravirine The effect of etravirine on dolutegravir plasma concentrations was mitigated by co- administration of darunavir/ritonavir or lopinavir/ritonavir, and is expected to be mitigated by atazanavir/ritonavir. dolutegravir/lopinavir/ritonavir ↔ dolutegravir ↔ etravirine Dolutegravir should only be used with etravirine tablets when co- administered with atazanavir/ritonavir, darunavir/ritonavir, or lopinavir/ritonavir. HIV-antiviral agents: protease inhibitors (PIs) atazanavir (without ritonavir) atazanavir/ritonavir atazanavir/cobicistat darunavir/ritonavir darunavir/cobicistat fosamprenavir (without ritonavir) fosamprenavir/ritonavir indinavir (without ritonavir) lopinavir/ritonavir ↓ atazanavir ↓ atazanavir ↔ etravirine ↓ atazanavir ↓ cobicistat ↓ etravirine ↓ cobicistat darunavir: effect unknown ↑ amprenavir ↑ amprenavir ↓ indinavir ↓ etravirine Co-administration of etravirine tablets and atazanavir without low- dose ritonavir is not recommended.

About Atazanavir and Etravirine

Etravirine is a Human Immunodeficiency Virus 1 Non-Nucleoside Analog Reverse Transcriptase Inhibitor. You may recognize them by the brand names Evotaz and Intelence.

Source and Limitations

This record was produced by automated extraction from drug-label information, including AI processing. The summary and mechanism are not verbatim FDA quotations. The drug profiles below may describe different formulations from the source label. Confirm the exact product and route with your pharmacist. This page does not establish independent clinical review.

📖 Source: FDA drug label - etravirine

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How this information is prepared: CDI uses automated extraction, including AI, to summarize drug labeling from openFDA and includes separately identified curated-reference records. RxNorm helps identify medications; it does not verify interaction claims. Extracted summaries and CDI severity classifications can contain errors and are not verbatim FDA statements or independent clinical review. Maintained by CheckDrugInteractions.com. See our methodology or report a correction at support@checkdruginteractions.com.

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine, supplemented with a small number of well-established interactions from curated clinical references. For informational purposes only. Always consult your pharmacist or physician.