Skip to content

Drug interactions

Gliclazide + Salicylates

Severity: Moderate

Gliclazide and Salicylates: 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

Salicylates at higher doses lower blood glucose and may displace sulfonylureas from protein binding, increasing hypoglycemia risk. The effect is greater with sustained anti-inflammatory dosing.

What this interaction means in plain words

Gliclazide and Salicylates 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.

Evidence level: Moderate

Why it happens

Additive glucose lowering with possible protein-binding displacement and reduced renal clearance of the sulfonylurea.

What to do

Monitor blood glucose when starting or stopping regular salicylate therapy 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?

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

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Gliclazide and Salicylates, 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.

Frequently asked questions

Can I take Gliclazide with Salicylates?

MediHelp rates the interaction as moderate. Gliclazide and Salicylates 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. Salicylates at higher doses lower blood glucose and may displace sulfonylureas from protein binding, increasing hypoglycemia risk. The effect is greater with sustained anti-inflammatory dosing.

How serious is the interaction between Gliclazide and Salicylates?

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 starting or stopping regular salicylate therapy 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.

Browse A–Z · Drug interactions

Get the app Sign in