Hello sir I have ear pain from 5 days I take...

Treatment of ear pain? 
you can use pain killers such as Ibuprofen300mg , and it's suggested that you have an ear infection so in this case it's importat to consult the specialist doctor ad you'll be prescribed to take antibiotic such as augmentin or other antibiotic 
what tests should be done ?
otoscope should be done to detect presence of redness or any discharge in case of infection 
What are the symptoms of ear infection ?
ear pain 
itching 
discharge 
headache 
fever 
Advice :
ask for ENT doctor consultation