Drug interactions
Exemestane + Nafcillin
Severity: Minor
Exemestane and Nafcillin: 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
Nafcillin can induce CYP3A4 and may reduce exemestane exposure. The effect is generally modest and nafcillin is typically used for short periods.
What this interaction means in plain words
Exemestane and Nafcillin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Nafcillin induces CYP3A4, increasing exemestane clearance.
What to do
No routine dose change is needed for short courses; monitor clinical response if nafcillin is prolonged.
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 Exemestane
Frequently asked questions
Can I take Exemestane with Nafcillin?
MediHelp rates the interaction as minor. Exemestane and Nafcillin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Nafcillin can induce CYP3A4 and may reduce exemestane exposure. The effect is generally modest and nafcillin is typically used for short periods.
How serious is the interaction between Exemestane and Nafcillin?
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 routine dose change is needed for short courses; monitor clinical response if nafcillin is prolonged.
What other medicines interact with Exemestane?
MediHelp also lists interactions of Exemestane with, for example, Bazedoxifene-conjugated estrogens, Desogestrel-ethinyl estradiol, Estradiol. The full list is on the Exemestane page.
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