Drug interactions
Ketorolac intranasal + Timolol
Severity: Minor
Ketorolac intranasal 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
NSAIDs such as ketorolac can reduce the blood pressure lowering effect of beta-blockers, mainly with sustained use. The intranasal short-course use is limited, so the effect is usually small, but kidney function and potassium may be affected in susceptible patients.
What this interaction means in plain words
Ketorolac intranasal 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
NSAID inhibition of prostaglandin synthesis leading to sodium and water retention that counteracts antihypertensive therapy.
What to do
Monitor blood pressure if ketorolac is used for more than a few days, and keep the course within labeled duration.
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
- Albuterol + Timolol Major
- Aldesleukin + Timolol Major
- Amifostine + Timolol Major
- Amiodarone + Timolol Major
- Arformoterol + Timolol Major
Frequently asked questions
Can I take Ketorolac intranasal with Timolol?
MediHelp rates the interaction as minor. Ketorolac intranasal 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. NSAIDs such as ketorolac can reduce the blood pressure lowering effect of beta-blockers, mainly with sustained use. The intranasal short-course use is limited, so the effect is usually small, but kidney function and potassium may be affected in susceptible patients.
How serious is the interaction between Ketorolac intranasal 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 ketorolac is used for more than a few days, and keep the course within labeled duration.
What other medicines interact with Timolol?
MediHelp also lists interactions of Timolol with, for example, Acebutolol, Albuterol, Aldesleukin. The full list is on the Timolol page.
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