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Does Fosamprenavir Calcium Interact with Dolutegravir?

Fosamprenavir Calcium and Dolutegravir have a unknown drug interaction according to U.S. FDA drug labeling data. HIV integrase inhibitor: Dolutegravir a Fosamprenavir calcium /ritonavir: ↓Dolutegravir The recommended dose of dolutegravir is 50 mg twice daily when coadministered with Fosamprenavircalcium /ritonavir. 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 Fosamprenavir Calcium and your doctor is considering prescribing Dolutegravir (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

💊 Fosamprenavir Calcium(Fosamprenavir Calcium)+💊 Dolutegravir(Tivicay)

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 - fosamprenavir calcium

What this means in plain English

HIV integrase inhibitor: Dolutegravir a Fosamprenavir calcium /ritonavir: ↓Dolutegravir The recommended dose of dolutegravir is 50 mg twice daily when coadministered with Fosamprenavircalcium /ritonavir.

About Fosamprenavir Calcium and Dolutegravir

Dolutegravir is also sold under the brand name Tivicay. Fosamprenavir Calcium is taken by mouth.

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Most patients take more than two medications. CDI checks every pair across up to 20 drugs simultaneously — including OTCs and common supplements.

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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.