Drug interactions
Cadexomer iodine + Methimazole
Severity: Minor
Cadexomer iodine and Methimazole: 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
Cadexomer iodine is a topical wound dressing with limited systemic iodine absorption except on large wounds or with prolonged use. Any additive antithyroid effect is unlikely to matter clinically.
What this interaction means in plain words
Cadexomer iodine and Methimazole 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
Absorbed iodine can inhibit thyroid hormone release, which may add to the antithyroid effect.
What to do
Avoid prolonged use on large wound areas, and monitor thyroid function if substantial use is 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 Methimazole
- Carbamazepine + Methimazole Major
- Clozapine + Methimazole Major
- Methimazole + Propylthiouracil Major
- Methimazole + Sodium iodide i-131 Major
- Iodinated glycerol + Methimazole Moderate
- Iodine + Methimazole Moderate
Frequently asked questions
Can I take Cadexomer iodine with Methimazole?
MediHelp rates the interaction as minor. Cadexomer iodine and Methimazole have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Cadexomer iodine is a topical wound dressing with limited systemic iodine absorption except on large wounds or with prolonged use. Any additive antithyroid effect is unlikely to matter clinically.
How serious is the interaction between Cadexomer iodine and Methimazole?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid prolonged use on large wound areas, and monitor thyroid function if substantial use is needed.
What other medicines interact with Methimazole?
MediHelp also lists interactions of Methimazole with, for example, Carbamazepine, Clozapine, Propylthiouracil. The full list is on the Methimazole page.
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