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Does Elbasvir Interact with Atorvaliq?

Elbasvir and Atorvaliq have a unknown drug interaction according to U.S. FDA drug labeling data. • In patients taking saquinavir plus ritonavir, darunavir plus ritonavir, fosamprenavir, fosamprenavir plus ritonavir, elbasvir plus grazoprevir or letermovir, do not exceed ATORVALIQ 20 mg. Examples: Tipranavir plus ritonavir, glecaprevir plus pibrentasvir, lopinavir plus ritonavir, simeprevir, saquinavir plus ritonavir, darunavir plus ritonavir, fosamprenavir, fosamprenavir plus ritonavir, elbasvir plus grazoprevir, letermovir, nelfinavir, and ledipasvir plus sofosbuvir. Saquinavir 400 mg BID /ritonavir 400 mg BID , 15 days 40 mg QD for 4 days 3.93 4.31 Elbasvir 50 mg QD /grazoprevir 200 mg QD , 13 days 10 mg SD 1.94 4.34 Simeprevir 150 mg QD , 10 days 40 mg SD 2.12 1.70 Clarithromycin 500 mg BID , 9 days 80 mg QD for 8 days 4.54 5.38 Darunavir 300 mg BID /ritonavir 100 mg BID , 9 days 10 mg QD for 4 days 3.45 2.25 Itraconazole 200 mg QD , 4 days 40 mg SD 3.32 1.20 Letermovir 480 mg QD , 10 days 20 mg SD 3.29 2.17 Fosamprenavir 700 mg BID /ritonavir 100 mg BID , 14 days 10 mg QD for 4 days 2.53 2.84 Fosamprenavir 1400 mg BID , 14 days 10 mg QD for 4 days 2.3 4.04 Nelfinavir 1250 mg BID , 14 days 10 mg QD for 28 days 1.74 2.22 Grapefruit Juice, 240 mL QD , Greater increases in AUC (ratio of AUC up to 2.5) and/or Cmax (ratio of Cmax up to 1.71) have been reported with excessive grapefruit consumption (≥ 750 mL-1.2 liters per day). 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
Management
Consult your pharmacist
Data Source
U.S. FDA via OpenFDA

What To Tell Your Doctor or Pharmacist

If you are taking Elbasvir and your doctor is considering prescribing Atorvaliq (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
💊 Elbasvir+💊 Atorvaliq(Atorvaliq)

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
—
Drug B class
—
Source
FDA drug label - atorvaliq

What this means in plain English

• In patients taking saquinavir plus ritonavir, darunavir plus ritonavir, fosamprenavir, fosamprenavir plus ritonavir, elbasvir plus grazoprevir or letermovir, do not exceed ATORVALIQ 20 mg. Examples: Tipranavir plus ritonavir, glecaprevir plus pibrentasvir, lopinavir plus ritonavir, simeprevir, saquinavir plus ritonavir, darunavir plus ritonavir, fosamprenavir, fosamprenavir plus ritonavir, elbasvir plus grazoprevir, letermovir, nelfinavir, and ledipasvir plus sofosbuvir. Saquinavir 400 mg BID /ritonavir 400 mg BID , 15 days 40 mg QD for 4 days 3.93 4.31 Elbasvir 50 mg QD /grazoprevir 200 mg QD , 13 days 10 mg SD 1.94 4.34 Simeprevir 150 mg QD , 10 days 40 mg SD 2.12 1.70 Clarithromycin 500 mg BID , 9 days 80 mg QD for 8 days 4.54 5.38 Darunavir 300 mg BID /ritonavir 100 mg BID , 9 days 10 mg QD for 4 days 3.45 2.25 Itraconazole 200 mg QD , 4 days 40 mg SD 3.32 1.20 Letermovir 480 mg QD , 10 days 20 mg SD 3.29 2.17 Fosamprenavir 700 mg BID /ritonavir 100 mg BID , 14 days 10 mg QD for 4 days 2.53 2.84 Fosamprenavir 1400 mg BID , 14 days 10 mg QD for 4 days 2.3 4.04 Nelfinavir 1250 mg BID , 14 days 10 mg QD for 28 days 1.74 2.22 Grapefruit Juice, 240 mL QD , Greater increases in AUC (ratio of AUC up to 2.5) and/or Cmax (ratio of Cmax up to 1.71) have been reported with excessive grapefruit consumption (≥ 750 mL-1.2 liters per day).

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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.