Transient psychosis with psychogenic polydipsia in schizotypal patient taking fluoxetine. Psychosomatics. 1998; 39 :295–296. doi: 10.1016/S0033-3182(98)71349-0. [ PubMed ] [ CrossRef ] [ Google Scholar ] 65. [ncbi.nlm.nih.gov]

[…] perceptions including bodily illusions Odd speech and thinking Suspiciousness or paranoia Affect that is inappropriate or constricted Few close friends or confidants, other than relatives Social anxiety which does not improve with familiarity; paranoid fears [bpdworld.org]

The difference between the two seems to be that those labeled as schizotypal avoid social interaction because of a deep-seated fear of people. [en.wikipedia.org]

Social anhedonia and schizotypy in a community sample: the Maryland longitudinal study of schizotypy. Schizophr Bull (2011) 37 :587–602. doi:10.1093/schbul/sbp107 Pubmed Abstract Pubmed Full Text CrossRef Full Text 202. [frontiersin.org]

[…] or magical thinking, influencing behavior and inconsistent with subcultural norms; Suspiciousness or paranoid ideas; Obsessive ruminations without inner resistance; Unusual perceptual experiences including somatosensory (bodily) or other illusions, depersonalization [en.wikipedia.org]

Both simple schizophrenia and STPD may share negative symptoms like avolition, impoverished thinking and flat affect. Although they can look very similar, the severity usually distinguishes them. [en.wikipedia.org]

As a rule, they underestimate maladaptiveness of their social isolation and perceptual distortions. [en.wikipedia.org]

can lead to the development of schizotypal traits. [7] [8] Neglect or abuse, trauma, or family dysfunction during childhood may increase the risk of developing schizotypal personality disorder. [en.wikipedia.org]