Differential diagnosis of headache and nausea are :
-meningitis
-brain abscess
-migraine
-acute glaucoma
-gastroenteritis
-food poisoning
-caffeine
-alcohol
-drug withdrawal
-head injury
-subarachnoid hemorrhage
-motion sickness
-labyrinthitis
-meningitis
-brain abscess
-migraine
-acute glaucoma
-gastroenteritis
-food poisoning
-caffeine
-alcohol
-drug withdrawal
-head injury
-subarachnoid hemorrhage
-motion sickness
-labyrinthitis