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Medicines urea hydrogen peroxideQuestion & answer

urea hydrogen peroxide · Medicine question

Why do the drops bubble in the ear?

iatroX medicinesPublished 22 August 2026Reviewed 22 August 2026

The answer

Answer

Mild temporary bubbling can occur because the drops release oxygen while breaking up wax.

Sources for this answer

Otexemc · SmPC Current selected SmPC · Version 7

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The full medicine guide

urea hydrogen peroxide

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More questions about urea hydrogen peroxide

Can children use these ear drops?Can I use them with a perforated eardrum?Can I use them if my ear is painful or leaking fluid?What if the drops get into an eye?What if the wax does not clear?

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