Thank you for your question This is a concern because of the symptoms you are having after war infection I hope it has been treatted of not you need treatment as soon as posdsble. Let the doctor do culture and sensitivity of the fluid coming from The ear to get the right antibiotics to be used the headache. dizziness and blured vision may indicate the the infection in the ear may have to go the brain. and cause inflammation in the meniges. Menigitis. This is more serious disease and immediate assessment and treatment is necessary by a doctor. You can stay pain kilers just releive the pain Other diseases are also posible so investigations very important Full haemogram to confirm infection. CT Scan head to rule out any abnormality in the brain. For blurred vision Opthalmologist review very necessary