Drug interactions
Doxycycline + Nirogacestat
Severity: Minor
Doxycycline and Nirogacestat: 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
Nirogacestat is metabolized by CYP3A4, and stronger inhibitors raise its levels and the risk of diarrhea, hepatotoxicity and other adverse effects. Doxycycline is not an established CYP3A4 inhibitor, so the interaction is mainly theoretical.
What this interaction means in plain words
Doxycycline and Nirogacestat 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; Nirogacestat belongs to Oncology.
Why it happens
Possible weak CYP3A4 inhibition; not clinically established.
What to do
No empiric dose change; monitor liver tests and gastrointestinal tolerance during therapy.
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 Nirogacestat, 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 Nirogacestat
Frequently asked questions
Can I take Doxycycline with Nirogacestat?
MediHelp rates the interaction as minor. Doxycycline and Nirogacestat have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Nirogacestat is metabolized by CYP3A4, and stronger inhibitors raise its levels and the risk of diarrhea, hepatotoxicity and other adverse effects. Doxycycline is not an established CYP3A4 inhibitor, so the interaction is mainly theoretical.
How serious is the interaction between Doxycycline and Nirogacestat?
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 empiric dose change; monitor liver tests and gastrointestinal tolerance during therapy.
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.
