​Differential diagnosis of headache and fever

​Differential diagnosis of headache and fever 
-temporal giant arteritis 
-heat stroke 
-drug side effects 
-CNS diseases such as head trauma, mass lesion, brain metastases 
-meningitis
-encephalitis 
-otitis media 
-dental abscess
-sinusitis 
-upper respiratory infection 
-flu like syndrome
-influenza