Drug interactions
Armodafinil + Saquinavir
Severity: Moderate
Armodafinil and Saquinavir: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Saquinavir is a CYP3A4 substrate with low bioavailability, and armodafinil may reduce its exposure through weak CYP3A4 induction. Lower levels could compromise antiviral efficacy.
What this interaction means in plain words
Armodafinil and Saquinavir can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Armodafinil induction of CYP3A4 increases presystemic and systemic saquinavir metabolism.
What to do
Monitor HIV viral load and consider therapeutic drug monitoring for saquinavir. Ensure it is given with ritonavir boosting as labelled.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Armodafinil
Frequently asked questions
Can I take Armodafinil with Saquinavir?
MediHelp rates the interaction as moderate. Armodafinil and Saquinavir can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Saquinavir is a CYP3A4 substrate with low bioavailability, and armodafinil may reduce its exposure through weak CYP3A4 induction. Lower levels could compromise antiviral efficacy.
How serious is the interaction between Armodafinil and Saquinavir?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor HIV viral load and consider therapeutic drug monitoring for saquinavir. Ensure it is given with ritonavir boosting as labelled.
What other medicines interact with Armodafinil?
MediHelp also lists interactions of Armodafinil with, for example, Avapritinib, Elacestrant, Elbasvir / grazoprevir. The full list is on the Armodafinil page.
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