Gargling Betadine Too Long? Risks, Benefits, and Expert Tips

Yes — 3 minutes is generally too long for that Betadine Gargle and Mouthwash unless your doctor specifically told you to do it.
For povidone-iodine gargle, the usual recommendation is:
- Gargle for about 30 seconds
- Up to 1 minute maximum
- Then spit it out completely
- Do not swallow
Using it too long or too often may:


















