My Husband Has Blocked Ears And Forgot He Had A

my husband has blocked ears and forgot he had a grommet in his ear and doctor suggested put peroxide ear drops in to soften the wax, obviously that has now gone through the ear drum and he is dizzy and unable to stand or walk, an ambulance has taken him to hospital and they are not listening to him that he has a hole in his ear drum, instead they think hes had a stoke, could peroxide cause a stroke, or could the symptoms be caused by the application of the peroxide