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Drug interactions

Orlistat + Tolazamide

Severity: Minor

Orlistat and Tolazamide: 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

Orlistat-associated weight loss and reduced fat intake can improve glycemic control, which may increase the glucose-lowering effect of tolazamide. Hypoglycemia is possible as weight falls.

What this interaction means in plain words

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

Orlistat belongs to Miscellaneous; Tolazamide belongs to Endocrine.

Evidence level: Low

Why it happens

Improved glycemic control from weight loss and reduced caloric absorption adds to sulfonylurea effect; no direct pharmacokinetic interaction is established.

What to do

Monitor blood glucose after starting orlistat and reduce the tolazamide dose if glucose levels fall.

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 Orlistat with Tolazamide?

MediHelp rates the interaction as minor. Orlistat and Tolazamide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Orlistat-associated weight loss and reduced fat intake can improve glycemic control, which may increase the glucose-lowering effect of tolazamide. Hypoglycemia is possible as weight falls.

How serious is the interaction between Orlistat and Tolazamide?

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 glucose after starting orlistat and reduce the tolazamide dose if glucose levels fall.

What other medicines interact with Tolazamide?

MediHelp also lists interactions of Tolazamide with, for example, Disopyramide, Insulin degludec-liraglutide, Aceclofenac. The full list is on the Tolazamide page.

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

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