Drug interactions
Atenolol-chlorthalidone + Magnesium chloride
Severity: Minor
Atenolol-chlorthalidone and Magnesium chloride: 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
Chlorthalidone increases urinary magnesium loss and can cause hypomagnesemia with long-term use. Magnesium supplementation may offset this loss, so the interaction is mainly one of antagonism that is clinically desirable or of little consequence.
What this interaction means in plain words
Atenolol-chlorthalidone and Magnesium chloride 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
Thiazide-like diuretics increase renal magnesium excretion.
What to do
No routine action is needed; check serum magnesium in patients on prolonged diuretic therapy and adjust the supplement dose as needed.
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 Atenolol-chlorthalidone
Frequently asked questions
Can I take Atenolol-chlorthalidone with Magnesium chloride?
MediHelp rates the interaction as minor. Atenolol-chlorthalidone and Magnesium chloride have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Chlorthalidone increases urinary magnesium loss and can cause hypomagnesemia with long-term use. Magnesium supplementation may offset this loss, so the interaction is mainly one of antagonism that is clinically desirable or of little consequence.
How serious is the interaction between Atenolol-chlorthalidone and Magnesium chloride?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine action is needed; check serum magnesium in patients on prolonged diuretic therapy and adjust the supplement dose as needed.
What other medicines interact with Atenolol-chlorthalidone?
MediHelp also lists interactions of Atenolol-chlorthalidone with, for example, Acebutolol, Aldesleukin, Amiodarone. The full list is on the Atenolol-chlorthalidone page.
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