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Drug interactions

Aspirin rectal + Bisoprolol

Severity: Minor

Aspirin rectal and Bisoprolol: 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

Rectal aspirin at analgesic doses may weaken the blood pressure lowering effect of bisoprolol, mainly with regular use. Low-dose aspirin for cardiovascular protection has little effect.

What this interaction means in plain words

Aspirin rectal and Bisoprolol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Moderate

Why it happens

Inhibition of prostaglandin synthesis can cause sodium retention and counteract the antihypertensive effect.

What to do

Monitor blood pressure if high-dose aspirin is used for more than a few days. No action is needed for low-dose cardioprotective aspirin.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Aspirin rectal with Bisoprolol?

MediHelp rates the interaction as minor. Aspirin rectal and Bisoprolol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Rectal aspirin at analgesic doses may weaken the blood pressure lowering effect of bisoprolol, mainly with regular use. Low-dose aspirin for cardiovascular protection has little effect.

How serious is the interaction between Aspirin rectal and Bisoprolol?

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 high-dose aspirin is used for more than a few days. No action is needed for low-dose cardioprotective aspirin.

What other medicines interact with Bisoprolol?

MediHelp also lists interactions of Bisoprolol with, for example, Aldesleukin, Amifostine, Amiodarone. The full list is on the Bisoprolol page.

Full monographs, dosing and an interaction checker in the MediHelp app

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