Weight loss: Malignancy (significant weight loss may also occur 2/2 sitophobia in gastric outlet obstructions and peptic ulcer disease)
Diarrhea, myalgias, malaise, headache,
contact with ill persons: Viral etiologies
Headache, stiff neck, vertigo, focal
neurologic deficits: Central neurologic causes (e.g., encephalitis/meningitis, head injury, mass lesion
or other cause of increased intracranial pressure, migraine)
Early satiety, postprandial bloating,
abdominal discomfort: Gastroparesis
Repetitive migraine headaches or
symptoms of irritable bowel syndrome: Cyclic vomiting syndrome