Drug interactions
Lemborexant + Testosterone
Severity: Minor
Lemborexant and Testosterone: 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
Lemborexant is cleared by CYP3A4, and weak inhibitors increase its exposure. Testosterone has little established CYP3A4 inhibition, so any effect is theoretical, but increased next-day somnolence would be the concern.
What this interaction means in plain words
Lemborexant and Testosterone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Lemborexant belongs to Central Nervous System; Testosterone belongs to Endocrine.
Why it happens
Possible weak CYP3A4 inhibition may raise lemborexant exposure; not well established for testosterone.
What to do
Monitor for daytime sedation; follow lemborexant labeling and reduce the dose if excessive somnolence occurs.
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?
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Other interactions of Testosterone
- Testosterone + Warfarin Major
- Androstenedione + Testosterone Moderate
- Betamethasone + Testosterone Moderate
- Carbamazepine + Testosterone Moderate
- Corticotropin + Testosterone Moderate
- Cortisone + Testosterone Moderate
Other interactions of Lemborexant
Frequently asked questions
Can I take Lemborexant with Testosterone?
MediHelp rates the interaction as minor. Lemborexant and Testosterone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Lemborexant is cleared by CYP3A4, and weak inhibitors increase its exposure. Testosterone has little established CYP3A4 inhibition, so any effect is theoretical, but increased next-day somnolence would be the concern.
How serious is the interaction between Lemborexant and Testosterone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for daytime sedation; follow lemborexant labeling and reduce the dose if excessive somnolence occurs.
What other medicines interact with Testosterone?
MediHelp also lists interactions of Testosterone with, for example, Warfarin, Androstenedione, Betamethasone. The full list is on the Testosterone page.
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