Drug interactions
Aspirin / citric acid / sodium bicarbonate + Labetalol
Severity: Minor
Aspirin / citric acid / sodium bicarbonate and Labetalol: 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
Effervescent analgesic aspirin products deliver analgesic-range doses that may reduce the antihypertensive effect of labetalol when used repeatedly. The sodium load in these products may add to the effect on blood pressure.
What this interaction means in plain words
Aspirin / citric acid / sodium bicarbonate and Labetalol 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
Prostaglandin synthesis inhibition causes sodium and water retention, antagonizing beta-blocker antihypertensive action.
What to do
Monitor blood pressure if the product is used regularly for more than a few days. Consider paracetamol as an alternative analgesic in hypertensive patients.
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 Labetalol
- Amifostine + Labetalol Major
- Amiodarone + Labetalol Major
- Atenolol-chlorthalidone + Labetalol Major
- Atenolol + Labetalol Major
- Betaxolol + Labetalol Major
- Bisoprolol + Labetalol Major
Frequently asked questions
Can I take Aspirin / citric acid / sodium bicarbonate with Labetalol?
MediHelp rates the interaction as minor. Aspirin / citric acid / sodium bicarbonate and Labetalol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Effervescent analgesic aspirin products deliver analgesic-range doses that may reduce the antihypertensive effect of labetalol when used repeatedly. The sodium load in these products may add to the effect on blood pressure.
How serious is the interaction between Aspirin / citric acid / sodium bicarbonate and Labetalol?
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 if the product is used regularly for more than a few days. Consider paracetamol as an alternative analgesic in hypertensive patients.
What other medicines interact with Labetalol?
MediHelp also lists interactions of Labetalol with, for example, Amifostine, Amiodarone, Atenolol-chlorthalidone. The full list is on the Labetalol page.
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