Drug interactions
DHEA herbal + Quinidine
Severity: Minor
DHEA herbal and Quinidine: 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
DHEA may influence CYP3A4 activity, with uncertain effects on quinidine concentrations. The interaction is poorly characterized and likely small.
What this interaction means in plain words
DHEA herbal and Quinidine 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
Possible modulation of CYP3A4 by DHEA; the mechanism is not firmly established.
What to do
Monitor quinidine levels and ECG if DHEA is started or stopped in a patient on stable quinidine 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?
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Other interactions of Quinidine
- Adagrasib + Quinidine Contraindicated
- Arsenic trioxide + Quinidine Contraindicated
- Artemether / lumefantrine + Quinidine Contraindicated
- Chloroquine + Quinidine Contraindicated
- Dofetilide + Quinidine Contraindicated
- Dronedarone + Quinidine Contraindicated
Frequently asked questions
Can I take DHEA herbal with Quinidine?
MediHelp rates the interaction as minor. DHEA herbal and Quinidine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. DHEA may influence CYP3A4 activity, with uncertain effects on quinidine concentrations. The interaction is poorly characterized and likely small.
How serious is the interaction between DHEA herbal and Quinidine?
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 quinidine levels and ECG if DHEA is started or stopped in a patient on stable quinidine therapy.
What other medicines interact with Quinidine?
MediHelp also lists interactions of Quinidine with, for example, Adagrasib, Arsenic trioxide, Artemether / lumefantrine. The full list is on the Quinidine page.
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