Answer
The topical tincture is contraindicated in thyroid disorders. The oral solution is used for hyperthyroidism before surgery, but only within specialist care.
Sources for this answer
- Iodine Tincture BP — Current selected SmPCemc · Summary of Product Characteristics
- Aqueous Iodine Oral Solution BP — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.