Drug interactions
Gliclazide + Tolmetin
Severity: Moderate
Gliclazide and Tolmetin: moderate 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 may enhance the glucose-lowering effect of sulfonylureas, increasing hypoglycemia risk. Evidence for tolmetin specifically is limited and derived from class effects.
What this interaction means in plain words
Gliclazide and Tolmetin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Gliclazide belongs to Endocrine; Tolmetin belongs to Musculoskeletal.
Why it happens
Possible protein-binding displacement and prostaglandin-related effects on insulin secretion; not firmly established.
What to do
Monitor blood glucose when tolmetin is started or stopped and reduce the gliclazide dose if hypoglycemia occurs.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Gliclazide and Tolmetin, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Gliclazide
Other interactions of Tolmetin
- Ketorolac intranasal + Tolmetin Contraindicated
- Ketorolac + Tolmetin Contraindicated
- Aceclofenac + Tolmetin Major
- Acemetacin + Tolmetin Major
- Alteplase + Tolmetin Major
- Amlodipine-hydrochlorothiazide-valsartan + Tolmetin Major
Frequently asked questions
Can I take Gliclazide with Tolmetin?
MediHelp rates the interaction as moderate. Gliclazide and Tolmetin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. NSAIDs may enhance the glucose-lowering effect of sulfonylureas, increasing hypoglycemia risk. Evidence for tolmetin specifically is limited and derived from class effects.
How serious is the interaction between Gliclazide and Tolmetin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood glucose when tolmetin is started or stopped and reduce the gliclazide dose if hypoglycemia occurs.
What other medicines interact with Gliclazide?
MediHelp also lists interactions of Gliclazide with, for example, Ciprofloxacin, Clarithromycin, Disopyramide. The full list is on the Gliclazide page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.