Drug interactions
Clotrimazole + Lomitapide
Severity: Major
Clotrimazole and Lomitapide: major 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
Lomitapide is extensively metabolized by CYP3A4, and strong inhibitors raise its exposure many-fold, increasing the risk of hepatotoxicity and gastrointestinal adverse effects. Systemic clotrimazole is a CYP3A4 inhibitor, though topical or oral lozenge use gives limited exposure.
What this interaction means in plain words
Clotrimazole and Lomitapide can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Clotrimazole belongs to Anti Fungals; Lomitapide belongs to Cardiovascular.
Why it happens
Clotrimazole inhibits CYP3A4-mediated metabolism of lomitapide, increasing its systemic concentrations.
What to do
Avoid systemic or prolonged clotrimazole use during lomitapide therapy and choose an antifungal with less CYP3A4 effect. Monitor liver enzymes if exposure cannot be avoided.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Clotrimazole
- Clotrimazole + Mavacamten Major
- Clotrimazole + Mobocertinib Major
- Clotrimazole + Voclosporin Major
- Bosutinib + Clotrimazole Moderate
- Cannabidiol + Clotrimazole Moderate
- Clotrimazole + Cyclosporine Moderate
Other interactions of Lomitapide
- Aprepitant + Lomitapide Contraindicated
- Clarithromycin + Lomitapide Contraindicated
- Crizotinib + Lomitapide Contraindicated
- Diltiazem + Lomitapide Contraindicated
- Efavirenz + Lomitapide Contraindicated
- Ensitrelvir + Lomitapide Contraindicated
Frequently asked questions
Can I take Clotrimazole with Lomitapide?
MediHelp rates the interaction as major. Clotrimazole and Lomitapide can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Lomitapide is extensively metabolized by CYP3A4, and strong inhibitors raise its exposure many-fold, increasing the risk of hepatotoxicity and gastrointestinal adverse effects. Systemic clotrimazole is a CYP3A4 inhibitor, though topical or oral lozenge use gives limited exposure.
How serious is the interaction between Clotrimazole and Lomitapide?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid systemic or prolonged clotrimazole use during lomitapide therapy and choose an antifungal with less CYP3A4 effect. Monitor liver enzymes if exposure cannot be avoided.
What other medicines interact with Clotrimazole?
MediHelp also lists interactions of Clotrimazole with, for example, Mavacamten, Mobocertinib, Voclosporin. The full list is on the Clotrimazole page.
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