Hydrogen peroxide usually has no adverse side effects. However, it can cause problems if someone has an ear infection or damage. To avoid complications: Talk with a doctor before using a new ear ...

"The hydrogen peroxide can sometimes loosen or dissolve ... Do not use this method if you have an outer ear infection, perforated eardrum, or tympanostomy tubes (eardrum tubes).

Left untreated, some conditions that cause ear pain can lead to hearing loss. But effective treatment can usually relieve discomfort and head off complications.

Try hydrogen peroxide ‘ear drops' Hydrogen peroxide can sometimes help with ear infections, but Dr. Dasgupta doesn't ...