Drug interactions
Methyclothiazide + Metoprolol
Severity: Minor
Methyclothiazide and Metoprolol: 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
Thiazide diuretics are frequently combined with beta-blockers for hypertension, and the combination is generally effective. Additive blood pressure lowering can occur, and thiazides may cause hypokalemia, hyperglycemia and dyslipidemia, which can be relevant with beta-blockers.
What this interaction means in plain words
Methyclothiazide and Metoprolol 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 antihypertensive effects from diuresis and beta-blockade.
What to do
Monitor blood pressure, serum potassium and glucose periodically. Adjust doses if hypotension or electrolyte disturbance occurs.
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 Metoprolol
- Metoprolol + Thioridazine Contraindicated
- Amifostine + Metoprolol Major
- Amiodarone + Metoprolol Major
- Atenolol-chlorthalidone + Metoprolol Major
- Atenolol + Metoprolol Major
- Betaxolol + Metoprolol Major
Frequently asked questions
Can I take Methyclothiazide with Metoprolol?
MediHelp rates the interaction as minor. Methyclothiazide and Metoprolol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Thiazide diuretics are frequently combined with beta-blockers for hypertension, and the combination is generally effective. Additive blood pressure lowering can occur, and thiazides may cause hypokalemia, hyperglycemia and dyslipidemia, which can be relevant with beta-blockers.
How serious is the interaction between Methyclothiazide and Metoprolol?
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, serum potassium and glucose periodically. Adjust doses if hypotension or electrolyte disturbance occurs.
What other medicines interact with Metoprolol?
MediHelp also lists interactions of Metoprolol with, for example, Thioridazine, Amifostine, Amiodarone. The full list is on the Metoprolol page.
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