Drug interactions
Ethacrynic acid + Lofexidine
Severity: Moderate
Ethacrynic acid and Lofexidine: moderate 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
Ethacrynic acid is a potent loop diuretic that reduces blood volume and blood pressure, and lofexidine also lowers blood pressure and heart rate. Combined use may produce orthostatic hypotension, dizziness and syncope.
What this interaction means in plain words
Ethacrynic acid and Lofexidine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Ethacrynic acid belongs to Cardiovascular; Lofexidine belongs to Central Nervous System.
Why it happens
Additive hypotensive effect from central sympatholysis and diuretic-induced volume depletion.
What to do
Monitor blood pressure, including orthostatic readings, and heart rate. Adjust the dose of either drug or counsel the patient to rise slowly if hypotension occurs.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Lofexidine
- Adagrasib + Lofexidine Major
- Alfuzosin + Lofexidine Major
- Amiodarone + Lofexidine Major
- Amisulpride + Lofexidine Major
- Anagrelide + Lofexidine Major
- Apomorphine + Lofexidine Major
Other interactions of Ethacrynic acid
Frequently asked questions
Can I take Ethacrynic acid with Lofexidine?
MediHelp rates the interaction as moderate. Ethacrynic acid and Lofexidine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Ethacrynic acid is a potent loop diuretic that reduces blood volume and blood pressure, and lofexidine also lowers blood pressure and heart rate. Combined use may produce orthostatic hypotension, dizziness and syncope.
How serious is the interaction between Ethacrynic acid and Lofexidine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure, including orthostatic readings, and heart rate. Adjust the dose of either drug or counsel the patient to rise slowly if hypotension occurs.
What other medicines interact with Lofexidine?
MediHelp also lists interactions of Lofexidine with, for example, Adagrasib, Alfuzosin, Amiodarone. The full list is on the Lofexidine page.
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