Loop diuretic
Torsemide with antibiotics: interactions and safety
Antibiotic courses are common, short-term and often combined with chronic medications such as Torsemide (Torsemide). Most antibiotics do not interfere meaningfully with Torsemide at 5mg, 10mg, 20mg, 100mg, but a few classes do, and a small number of combinations are best avoided.
Common antibiotic interactions
Macrolides (clarithromycin, erythromycin) and certain antifungals can inhibit hepatic metabolism (CYP3A4) and raise plasma levels of many medications including some Loop diuretic agents. Rifampicin has the opposite effect, accelerating metabolism. Most penicillins, cephalosporins, fluoroquinolones and tetracyclines have no clinically meaningful interaction with Torsemide at 5mg, 10mg, 20mg, 100mg.
Practical guidance
According to the prescribing information for Torsemide, an antibiotic course should be reviewed by the prescriber or pharmacist for known interactions before Torsemide is co-administered. Adjusted 5mg, 10mg, 20mg, 100mg dosing or temporary substitution is sometimes preferred for the duration of the antibiotic course.
Frequently asked questions
Can I take Torsemide during an antibiotic course? ▾
For most common antibiotics, yes. A few classes — notably macrolides and azole antifungals — alter how Torsemide is metabolised and may need a temporary 5mg, 10mg, 20mg, 100mg adjustment. The prescribing pharmacist should review any new antibiotic against the existing Torsemide regimen.
Will antibiotics make Torsemide stop working? ▾
Most antibiotics do not affect Torsemide efficacy. Rifampicin and a few others can lower Torsemide levels and reduce effect; in those cases the prescriber may adjust the dose during and shortly after the antibiotic course.
Products containing Torsemide
More on Torsemide
- With alcoholTorsemide and alcohol — is it safe to drink?
- With foodShould Torsemide be taken with food?
- Side effectsTorsemide side effects: common, rare and warning signs
- Dosage guideTorsemide dosage guide: how much to take and when
- OnsetHow fast does Torsemide start working?
- DurationHow long does Torsemide last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.