Drug interactions
Liotrix + Pantoprazole
Severity: Minor
Liotrix and Pantoprazole: 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
Higher gastric pH may reduce the absorption of oral thyroid hormones such as the levothyroxine component of liotrix, though evidence is conflicting. This could raise TSH in some patients.
What this interaction means in plain words
Liotrix and Pantoprazole 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
Raised gastric pH may reduce thyroid hormone dissolution and absorption.
What to do
Check TSH about 6 to 8 weeks after starting or stopping a PPI and adjust the liotrix dose if needed.
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 Pantoprazole
- Pantoprazole + Rilpivirine Contraindicated
- Acalabrutinib + Pantoprazole Major
- Atazanavir + Pantoprazole Major
- Dacomitinib + Pantoprazole Major
- Dasatinib + Pantoprazole Major
- Erlotinib + Pantoprazole Major
Frequently asked questions
Can I take Liotrix with Pantoprazole?
MediHelp rates the interaction as minor. Liotrix and Pantoprazole have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Higher gastric pH may reduce the absorption of oral thyroid hormones such as the levothyroxine component of liotrix, though evidence is conflicting. This could raise TSH in some patients.
How serious is the interaction between Liotrix and Pantoprazole?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check TSH about 6 to 8 weeks after starting or stopping a PPI and adjust the liotrix dose if needed.
What other medicines interact with Pantoprazole?
MediHelp also lists interactions of Pantoprazole with, for example, Rilpivirine, Acalabrutinib, Atazanavir. The full list is on the Pantoprazole page.
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