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Does Cobicistat Interact with Clarithromycin?

Cobicistat and Clarithromycin have a unknown drug interaction according to U.S. FDA drug labeling data. Antibacterials (macrolide or ketolide antibiotics): clarithromycin erythromycin telithromycin ↑ clarithromycin ↑ erythromycin ↑ telithromycin ↑ cobicistat ↑ atazanavir ↑ darunavir Consider alternative antibiotics with concomitant use of TYBOST coadministered with atazanavir or darunavir. 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
Cobicistat Class
Cytochrome P450 3A Inhibitor
Clarithromycin Class
Macrolide Antimicrobial
Management
Consult your pharmacist
Data Source
U.S. FDA via OpenFDA

What To Tell Your Doctor or Pharmacist

If you are taking Cobicistat and your doctor is considering prescribing Clarithromycin (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
💊 Cobicistat(Tybost)+💊 Clarithromycin(Biaxin)

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
Cytochrome P450 3A Inhibitor
Drug B class
Macrolide Antimicrobial
Source
FDA drug label - cobicistat

What this means in plain English

Antibacterials (macrolide or ketolide antibiotics): clarithromycin erythromycin telithromycin ↑ clarithromycin ↑ erythromycin ↑ telithromycin ↑ cobicistat ↑ atazanavir ↑ darunavir Consider alternative antibiotics with concomitant use of TYBOST coadministered with atazanavir or darunavir.

About Cobicistat and Clarithromycin

Cobicistat is a Cytochrome P450 3A Inhibitor, while Clarithromycin is a Macrolide Antimicrobial. You may recognize them by the brand names Tybost and Biaxin. Both medications are taken by mouth.

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Data integrity: Every interaction shown is extracted directly from official U.S. FDA drug labeling via openFDA and the U.S. National Library of Medicine (NIH) — no interactions are invented, inferred, or manually edited. 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.