Drug interactions
Armodafinil + Finasteride
Severity: Minor
Armodafinil and Finasteride: minor 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
Armodafinil is a weak CYP3A4 inducer and might slightly lower finasteride levels. This is unlikely to be clinically important given finasteride's wide therapeutic margin.
What this interaction means in plain words
Armodafinil and Finasteride have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Armodafinil belongs to Central Nervous System; Finasteride belongs to Genitourinary.
Why it happens
Weak induction of CYP3A4 increasing finasteride metabolism.
What to do
No dose change is generally needed. Be aware of this if finasteride response appears reduced.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Armodafinil and Finasteride, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Finasteride
- Finasteride + Levoketoconazole Moderate
- Finasteride + Nefazodone Moderate
- Finasteride + Rifampin Moderate
- Finasteride + St john's wort Moderate
- Amobarbital + Finasteride Minor
- Aprepitant + Finasteride Minor
Other interactions of Armodafinil
Frequently asked questions
Can I take Armodafinil with Finasteride?
MediHelp rates the interaction as minor. Armodafinil and Finasteride have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Armodafinil is a weak CYP3A4 inducer and might slightly lower finasteride levels. This is unlikely to be clinically important given finasteride's wide therapeutic margin.
How serious is the interaction between Armodafinil and Finasteride?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose change is generally needed. Be aware of this if finasteride response appears reduced.
What other medicines interact with Finasteride?
MediHelp also lists interactions of Finasteride with, for example, Levoketoconazole, Nefazodone, Rifampin. The full list is on the Finasteride page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
