Drug interactions
Aspirin rectal + Labetalol
Severity: Minor
Aspirin rectal 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
Systemically absorbed rectal aspirin at analgesic doses can blunt the blood-pressure-lowering effect of labetalol with prolonged use. At low cardioprotective doses the effect is minimal.
What this interaction means in plain words
Aspirin rectal 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
Inhibition of prostaglandin synthesis leads to sodium and fluid retention, opposing the antihypertensive effect.
What to do
Monitor blood pressure if higher-dose aspirin is used regularly. No adjustment is usually needed for short courses or low doses.
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 rectal with Labetalol?
MediHelp rates the interaction as minor. Aspirin rectal 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. Systemically absorbed rectal aspirin at analgesic doses can blunt the blood-pressure-lowering effect of labetalol with prolonged use. At low cardioprotective doses the effect is minimal.
How serious is the interaction between Aspirin rectal 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 higher-dose aspirin is used regularly. No adjustment is usually needed for short courses or low doses.
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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