Drug interactions
Glyburide-metformin + Liotrix
Severity: Moderate
Glyburide-metformin and Liotrix: 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
Liotrix contains thyroid hormones that can raise glucose levels and blunt antidiabetic effect. Control may worsen after initiation or dose increases.
What this interaction means in plain words
Glyburide-metformin and Liotrix 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.
Why it happens
Thyroid hormones increase hepatic glucose output and gut glucose absorption, opposing the effects of antidiabetic drugs.
What to do
Monitor blood glucose when liotrix is started or titrated and adjust antidiabetic doses; watch for hypoglycemia if thyroid dosing is reduced.
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?
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Other interactions of Glyburide-metformin
Frequently asked questions
Can I take Glyburide-metformin with Liotrix?
MediHelp rates the interaction as moderate. Glyburide-metformin and Liotrix 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. Liotrix contains thyroid hormones that can raise glucose levels and blunt antidiabetic effect. Control may worsen after initiation or dose increases.
How serious is the interaction between Glyburide-metformin and Liotrix?
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 liotrix is started or titrated and adjust antidiabetic doses; watch for hypoglycemia if thyroid dosing is reduced.
What other medicines interact with Glyburide-metformin?
MediHelp also lists interactions of Glyburide-metformin with, for example, Bosentan, Cholic acid, Clarithromycin. The full list is on the Glyburide-metformin page.
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