Drug interactions
Atenolol + Calcium chloride
Severity: Minor
Atenolol and Calcium 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
Oral calcium may reduce atenolol absorption. With intravenous calcium chloride, no clear interaction is established, though calcium can oppose negative inotropy.
What this interaction means in plain words
Atenolol and Calcium 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
Possible reduced atenolol absorption with oral calcium; mechanism not firmly established.
What to do
If given orally, separate doses by at least 2 hours; monitor heart rate and blood pressure.
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
- Amifostine + Atenolol Major
- Amiodarone + Atenolol Major
- Atenolol + Atenolol-chlorthalidone Major
- Atenolol + Betaxolol Major
- Atenolol + Bisoprolol Major
- Atenolol + Carvedilol Major
Frequently asked questions
Can I take Atenolol with Calcium chloride?
MediHelp rates the interaction as minor. Atenolol and Calcium 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. Oral calcium may reduce atenolol absorption. With intravenous calcium chloride, no clear interaction is established, though calcium can oppose negative inotropy.
How serious is the interaction between Atenolol and Calcium 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: If given orally, separate doses by at least 2 hours; monitor heart rate and blood pressure.
What other medicines interact with Atenolol?
MediHelp also lists interactions of Atenolol with, for example, Amifostine, Amiodarone, Atenolol-chlorthalidone. The full list is on the Atenolol page.
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