Drug interactions
Methyclothiazide + Tizanidine
Severity: Minor
Methyclothiazide and Tizanidine: 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
Both drugs lower blood pressure. Combined use may cause additive hypotension and orthostatic dizziness.
What this interaction means in plain words
Methyclothiazide and Tizanidine 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
Additive blood pressure lowering from central alpha-2 agonism and thiazide-induced volume depletion.
What to do
Monitor blood pressure and advise slow postural changes. Reduce the dose of either drug if symptomatic.
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 Tizanidine
- Ciprofloxacin + Tizanidine Contraindicated
- Fluvoxamine + Tizanidine Contraindicated
- Pefloxacin + Tizanidine Contraindicated
- Pipemidic acid + Tizanidine Contraindicated
- Benzhydrocodone / acetaminophen + Tizanidine Major
- Brexanolone + Tizanidine Major
Frequently asked questions
Can I take Methyclothiazide with Tizanidine?
MediHelp rates the interaction as minor. Methyclothiazide and Tizanidine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Both drugs lower blood pressure. Combined use may cause additive hypotension and orthostatic dizziness.
How serious is the interaction between Methyclothiazide and Tizanidine?
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 blood pressure and advise slow postural changes. Reduce the dose of either drug if symptomatic.
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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