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Does Abacavir Sulfate Dolutegravir Sodium Lamivudine Interact with Fosamprenavir?

CDI records a unknown classification for Abacavir Sulfate Dolutegravir Sodium Lamivudine and Fosamprenavir. The stored summary is: Using cross-study comparisons to historical pharmacokinetic data for each interacting drug, dolutegravir did not appear to affect the pharmacokinetics of the following drugs: atazanavir, darunavir, efavirenz, etravirine, fosamprenavir, lopinavir, ritonavir, and boceprevir. Protease inhibitor: Fosamprenavir/ritonavir a Tipranavir/ritonavir a ↓Dolutegravir In adults and in pediatric patients weighing at least 25 kg , adjust dolutegravir dose to 50 mg twice daily. 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.

Evidence status

A current label comparison is not yet available for this record. The summary and severity are stored CDI information; they have not been independently validated on this page against the exact product label.

Confirm the medicine, formulation, route, and applicable warning with your pharmacist or prescriber. Independent clinical review has not been recorded.

Stored CDI classification
Unknown
Abacavir Sulfate Dolutegravir Sodium Lamivudine Class
Hepatitis B Virus Nucleoside Analog Reverse Transcriptase Inhibitor
Management
Confirm exact products with your pharmacist
Data Source
U.S. FDA via OpenFDA

What To Tell Your Doctor or Pharmacist

If you are taking Abacavir Sulfate Dolutegravir Sodium Lamivudine and your doctor is considering prescribing Fosamprenavir (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
💊 Abacavir Sulfate Dolutegravir Sodium Lamivudine(Triumeq)+💊 Fosamprenavir(Lexiva)

Severity & Interaction Details

ℹ️
unknown
Stored CDI classification: unknown
A current source comparison has not been recorded for this claim. The stored classification does not determine the clinical significance for your exact products or circumstances.
Severity scale
MinorContra
On record
Yes
Drug A class
Hepatitis B Virus Nucleoside Analog Reverse Transcriptase Inhibitor
Drug B class
—
Source
FDA drug label - abacavir sulfate, dolutegravir sodium, lamivudine

What this means in plain English

Using cross-study comparisons to historical pharmacokinetic data for each interacting drug, dolutegravir did not appear to affect the pharmacokinetics of the following drugs: atazanavir, darunavir, efavirenz, etravirine, fosamprenavir, lopinavir, ritonavir, and boceprevir. Protease inhibitor: Fosamprenavir/ritonavir a Tipranavir/ritonavir a ↓Dolutegravir In adults and in pediatric patients weighing at least 25 kg , adjust dolutegravir dose to 50 mg twice daily.

About Abacavir Sulfate Dolutegravir Sodium Lamivudine and Fosamprenavir

Abacavir Sulfate Dolutegravir Sodium Lamivudine is a Hepatitis B Virus Nucleoside Analog Reverse Transcriptase Inhibitor. You may recognize them by the brand names Triumeq and Lexiva. Abacavir Sulfate Dolutegravir Sodium Lamivudine additionally carries an FDA boxed warning, the FDA's strongest safety alert.

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 - abacavir sulfate, dolutegravir sodium, lamivudine

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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.

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