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Does Abacavir Sulfate Dolutegravir Sodium Lamivudine Interact with Atazanavir?

Abacavir Sulfate Dolutegravir Sodium Lamivudine and Atazanavir have a unknown drug interaction according to U.S. FDA drug labeling data. 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. Etravirine significantly reduced plasma concentrations of dolutegravir, but the effect of etravirine was mitigated by coadministration of lopinavir/ritonavir or darunavir/ritonavir and is expected to be mitigated by atazanavir/ritonavir ( Table 6 ) [see Drug Interactions ( 7.3 ), Clinical Pharmacology ( 12.3 )] . Concomitant Drug Class: Drug Name Effect on Concentration Clinical Comment HIV-1 Antiviral Agents Non-nucleoside reverse transcriptase inhibitor: Etravirine a ↓Dolutegravir Use of TRIUMEQ or TRIUMEQ PD with etravirine without coadministration of atazanavir/ritonavir, darunavir/ritonavir, or lopinavir/ritonavir is not recommended. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.

Severity
Unknown
Abacavir Sulfate Dolutegravir Sodium Lamivudine Class
Hepatitis B Virus 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 Abacavir Sulfate Dolutegravir Sodium Lamivudine and your doctor is considering prescribing Atazanavir (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)+💊 Atazanavir

Severity & Interaction Details

ℹ️
unknown
Interaction documented — severity unclassified
The FDA label notes an interaction but the severity is not classified in our dataset.
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. Etravirine significantly reduced plasma concentrations of dolutegravir, but the effect of etravirine was mitigated by coadministration of lopinavir/ritonavir or darunavir/ritonavir and is expected to be mitigated by atazanavir/ritonavir ( Table 6 ) [see Drug Interactions ( 7.3 ), Clinical Pharmacology ( 12.3 )] . Concomitant Drug Class: Drug Name Effect on Concentration Clinical Comment HIV-1 Antiviral Agents Non-nucleoside reverse transcriptase inhibitor: Etravirine a ↓Dolutegravir Use of TRIUMEQ or TRIUMEQ PD with etravirine without coadministration of atazanavir/ritonavir, darunavir/ritonavir, or lopinavir/ritonavir is not recommended.

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Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine. For informational purposes only. Always consult your pharmacist or physician.