Drug interactions
Tizanidine + Torsemide
Severity: Moderate
Tizanidine 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
Tizanidine lowers blood pressure centrally and torsemide causes diuresis with volume depletion. Together they can cause additive hypotension and orthostatic dizziness.
What this interaction means in plain words
Tizanidine 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.
Tizanidine belongs to Musculoskeletal; Torsemide belongs to Cardiovascular.
Why it happens
Additive pharmacodynamic hypotension from central alpha-2 agonism and loop diuretic-induced volume depletion.
What to do
Monitor blood pressure, orthostatic symptoms and hydration status. Start tizanidine at a low dose and reduce the diuretic 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 Tizanidine
- Ciprofloxacin + Tizanidine Contraindicated
- Fluvoxamine + Tizanidine Contraindicated
- Pefloxacin + Tizanidine Contraindicated
- Pipemidic acid + Tizanidine Contraindicated
- Benzhydrocodone / acetaminophen + Tizanidine Major
- Brexanolone + Tizanidine Major
Other interactions of Torsemide
Frequently asked questions
Can I take Tizanidine with Torsemide?
MediHelp rates the interaction as moderate. Tizanidine 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. Tizanidine lowers blood pressure centrally and torsemide causes diuresis with volume depletion. Together they can cause additive hypotension and orthostatic dizziness.
How serious is the interaction between Tizanidine 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, orthostatic symptoms and hydration status. Start tizanidine at a low dose and reduce the diuretic if hypotension occurs.
What other medicines interact with Tizanidine?
MediHelp also lists interactions of Tizanidine with, for example, Ciprofloxacin, Fluvoxamine, Pefloxacin. The full list is on the Tizanidine page.
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