Drug interactions
Lofexidine + Torsemide
Severity: Moderate
Lofexidine and Torsemide: 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
Lofexidine lowers blood pressure and heart rate, and torsemide adds blood pressure reduction through diuresis. The combination can produce symptomatic hypotension and syncope. Loop diuretic electrolyte losses may also add to lofexidine's QT risk.
What this interaction means in plain words
Lofexidine and Torsemide 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.
Lofexidine belongs to Central Nervous System; Torsemide belongs to Cardiovascular.
Why it happens
Additive hypotensive effects of central alpha-2 agonism and loop diuretic volume depletion, with electrolyte loss adding to QT risk.
What to do
Monitor blood pressure, pulse and electrolytes. Reduce the dose of either drug if symptomatic hypotension or bradycardia develops.
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 Torsemide
Other interactions of Lofexidine
- Adagrasib + Lofexidine Major
- Alfuzosin + Lofexidine Major
- Amiodarone + Lofexidine Major
- Amisulpride + Lofexidine Major
- Anagrelide + Lofexidine Major
- Apomorphine + Lofexidine Major
Frequently asked questions
Can I take Lofexidine with Torsemide?
MediHelp rates the interaction as moderate. Lofexidine and Torsemide 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. Lofexidine lowers blood pressure and heart rate, and torsemide adds blood pressure reduction through diuresis. The combination can produce symptomatic hypotension and syncope. Loop diuretic electrolyte losses may also add to lofexidine's QT risk.
How serious is the interaction between Lofexidine and Torsemide?
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, pulse and electrolytes. Reduce the dose of either drug if symptomatic hypotension or bradycardia develops.
What other medicines interact with Torsemide?
MediHelp also lists interactions of Torsemide with, for example, Amikacin, Amiodarone, Carbenoxolone. The full list is on the Torsemide page.
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