Drug interactions
Cevimeline + Nevirapine
Severity: Minor
Cevimeline and Nevirapine: 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
Nevirapine may reduce cevimeline levels, potentially weakening its effect on dry mouth symptoms. The interaction is predicted from CYP3A4 induction and is unlikely to be clinically significant in most patients.
What this interaction means in plain words
Cevimeline and Nevirapine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Cevimeline belongs to Miscellaneous; Nevirapine belongs to Anti Virals.
Why it happens
Nevirapine induces CYP3A4, one of the enzymes responsible for cevimeline metabolism (with CYP2D6).
What to do
No empirical dose change is needed; monitor for reduced salivary response and adjust if efficacy declines.
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 Nevirapine
- Elbasvir / grazoprevir + Nevirapine Contraindicated
- Nevirapine + Ranolazine Contraindicated
- Nevirapine + St john's wort Contraindicated
- Abemaciclib + Nevirapine Major
- Acalabrutinib + Nevirapine Major
- Amobarbital + Nevirapine Major
Other interactions of Cevimeline
- Amitriptyline + Cevimeline Moderate
- Atenolol-chlorthalidone + Cevimeline Moderate
- Atenolol + Cevimeline Moderate
- Atropine + Cevimeline Moderate
- Betaxolol + Cevimeline Moderate
- Bethanechol + Cevimeline Moderate
Frequently asked questions
Can I take Cevimeline with Nevirapine?
MediHelp rates the interaction as minor. Cevimeline and Nevirapine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Nevirapine may reduce cevimeline levels, potentially weakening its effect on dry mouth symptoms. The interaction is predicted from CYP3A4 induction and is unlikely to be clinically significant in most patients.
How serious is the interaction between Cevimeline and Nevirapine?
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 empirical dose change is needed; monitor for reduced salivary response and adjust if efficacy declines.
What other medicines interact with Nevirapine?
MediHelp also lists interactions of Nevirapine with, for example, Elbasvir / grazoprevir, Ranolazine, St john's wort. The full list is on the Nevirapine page.
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