Drug interactions
Aspirin / citric acid / sodium bicarbonate + Timolol
Severity: Minor
Aspirin / citric acid / sodium bicarbonate and Timolol: 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
The aspirin in this effervescent product may blunt the antihypertensive effect of timolol when used regularly at analgesic doses. The sodium load may also contribute to fluid retention.
What this interaction means in plain words
Aspirin / citric acid / sodium bicarbonate and Timolol 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
Aspirin inhibits prostaglandin synthesis, causing sodium and water retention that opposes beta-blocker effects.
What to do
Monitor blood pressure if the product is taken regularly. Prefer limited, short-term use.
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 Timolol
- Acebutolol + Timolol Major
- Aldesleukin + Timolol Major
- Amifostine + Timolol Major
- Amiodarone + Timolol Major
- Arformoterol + Timolol Major
- Atenolol-chlorthalidone + Timolol Major
Frequently asked questions
Can I take Aspirin / citric acid / sodium bicarbonate with Timolol?
MediHelp rates the interaction as minor. Aspirin / citric acid / sodium bicarbonate and Timolol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. The aspirin in this effervescent product may blunt the antihypertensive effect of timolol when used regularly at analgesic doses. The sodium load may also contribute to fluid retention.
How serious is the interaction between Aspirin / citric acid / sodium bicarbonate and Timolol?
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 taken regularly. Prefer limited, short-term use.
What other medicines interact with Timolol?
MediHelp also lists interactions of Timolol with, for example, Acebutolol, Aldesleukin, Amifostine. The full list is on the Timolol page.
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