Ear drops with peroxide often need a period of time to break down wax build up if there are large deposits there. It sounds like you have started to loosen some wax and this has now shifted onto the eardrum. If you were to continue to use the ear drops then it will clear over the next three days. Use twice daily. Avoid getting water in the ear eg from showering until this has resolved.
If there is any pain, or you have any nasty smelling discharge from the ear then see your family doctor.
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