The
type of syndrome you assign to somebody when they are
obsessed with self-diagnosis and are very overractive.
Name is due to the character
Reginald Barclay from Star Trek. Whom in one episode kept giving himself all sorts of self-diagnosis.
Also known as (more technically) hypercondriac
Person A: I've had the slight dizziness and clammy
skin. I looked online and I
think I have the swine flu.
Person B: No, you just have Barclay Syndrome.
Barclay: I
think I have Terellian Death Syndrome!
Person B: No, you just have Barclay Syndrome