Drug interactions
Doxycycline + Lemborexant
Severity: Minor
Doxycycline and Lemborexant: 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 exposure rises with moderate or strong CYP3A inhibitors, increasing somnolence and next-day impairment. Doxycycline is not a recognized meaningful CYP3A inhibitor, so the effect is probably small.
What this interaction means in plain words
Doxycycline and Lemborexant have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Doxycycline belongs to Anti Bacterial; Lemborexant belongs to Central Nervous System.
Why it happens
Possible weak CYP3A inhibition, not established for doxycycline.
What to do
No dose change is routinely needed; counsel on next-day drowsiness and driving impairment.
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 Doxycycline and Lemborexant, 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 7 days on the web. No card needed.
Other interactions of Doxycycline
- Acitretin + Doxycycline Contraindicated
- Aminolevulinic acid + Doxycycline Major
- Cholera vaccine + Doxycycline Major
- Doxycycline + Isotretinoin Major
- Doxycycline + Methoxyflurane Major
- Doxycycline + Microbiota Major
Other interactions of Lemborexant
Frequently asked questions
Can I take Doxycycline with Lemborexant?
MediHelp rates the interaction as minor. Doxycycline and Lemborexant 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 exposure rises with moderate or strong CYP3A inhibitors, increasing somnolence and next-day impairment. Doxycycline is not a recognized meaningful CYP3A inhibitor, so the effect is probably small.
How serious is the interaction between Doxycycline and Lemborexant?
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 routinely needed; counsel on next-day drowsiness and driving impairment.
What other medicines interact with Doxycycline?
MediHelp also lists interactions of Doxycycline with, for example, Acitretin, Aminolevulinic acid, Cholera vaccine. The full list is on the Doxycycline 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.
