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Does Atazanavir Interact with Atazanavir Sulfate?

CDI records a unknown classification for Atazanavir and Atazanavir Sulfate. The stored summary is: 7 DRUG INTERACTIONS Coadministration of atazanavir can alter the concentration of other drugs and other drugs may alter the concentration of atazanavir. ( 4 , 7 , 12.3 ) 7.1 Potential for Atazanavir to Affect Other Drugs Atazanavir is an inhibitor of CYP3A and UGT1A1. Coadministration of atazanavir and drugs primarily metabolized by CYP3A or UGT1A1 may result in increased plasma concentrations of the other drug that could increase or prolong its therapeutic and adverse effects. 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
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 Atazanavir Sulfate (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)+💊 Atazanavir Sulfate(Atazanavir Sulfate)

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

—

Source

FDA drug label - atazanavir sulfate

What this means in plain English

7 DRUG INTERACTIONS Coadministration of atazanavir can alter the concentration of other drugs and other drugs may alter the concentration of atazanavir. ( 4 , 7 , 12.3 ) 7.1 Potential for Atazanavir to Affect Other Drugs Atazanavir is an inhibitor of CYP3A and UGT1A1. Coadministration of atazanavir and drugs primarily metabolized by CYP3A or UGT1A1 may result in increased plasma concentrations of the other drug that could increase or prolong its therapeutic and adverse effects.

About Atazanavir and Atazanavir Sulfate

Atazanavir is also sold under the brand name Evotaz.

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 - atazanavir sulfate

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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.