Good evening sir, Please I want to ask how much...

What is the treatment of ear infection ?
You need to do few tests in the nearest medical center for complete clinical assessment and evaluation . Your doctor will presribe Antipyretic as Paracetamol for the fever with treatment of any underlying condition as Bacterial infection : Zithrocin tab or Amoxillin . ( Augmentin 1gm twice daily for 7 days 
What are the causes of ear infection pain ?

• Bactrial infection .
• Viral infection .
• Common cold .
• Throat infection .
• Tonsilitis .
• other causes .

What are the tests needed for ear infection ?
Clinical assessment for any signs and symptoms with Complete blood count and otoscope .
Symptoms of ear infection :

• Fever 
• Pain 
• Discharge 
• Ear pain

If you suffer from severe pain despite the medication you need to take a pain killer like NSAIDS and to follow up urgently with your doctor for clinical assessment .
Stay well