Accidentally swallowing a small amount of Betadine (povidone-iodine) gargle is generally harmless, especially since you had dinner 15 minutes prior, as the food in your stomach helps dilute it. You might experience mild nausea or a slight stomach upset, but this should pass quickly. Drinking a glass of water or milk can help soothe your stomach. If you develop severe abdominal pain, persistent vomiting, or difficulty breathing, please seek medical attention, but these reactions are highly unlikely from a small accidental swallow. Rest easy and stay hydrated.
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Is it harmful that I accidentally swallowed Betadine gargle 15 minutes after eating dinner?