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Drug interactions

Isosorbide dinitrate + Mitotane

Severity: Minor

Isosorbide dinitrate and Mitotane: 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

Mitotane is a strong, long-lasting CYP3A4 inducer. Isosorbide dinitrate depends little on CYP3A4, so any loss of antianginal effect is likely small.

What this interaction means in plain words

Isosorbide dinitrate and Mitotane have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Isosorbide dinitrate belongs to Cardiovascular; Mitotane belongs to Oncology.

Evidence level: Low

Why it happens

Mitotane induces CYP3A4, a minor pathway for dinitrate.

What to do

Monitor angina control and increase the nitrate dose if symptoms worsen.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Isosorbide dinitrate with Mitotane?

MediHelp rates the interaction as minor. Isosorbide dinitrate and Mitotane have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Mitotane is a strong, long-lasting CYP3A4 inducer. Isosorbide dinitrate depends little on CYP3A4, so any loss of antianginal effect is likely small.

How serious is the interaction between Isosorbide dinitrate and Mitotane?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor angina control and increase the nitrate dose if symptoms worsen.

What other medicines interact with Isosorbide dinitrate?

MediHelp also lists interactions of Isosorbide dinitrate with, for example, Avanafil, Riociguat, Sildenafil. The full list is on the Isosorbide dinitrate page.

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