Personality Disorders
Psychotic Disorders
Pervasive distrust and suspiciousness of others such that their motives are interpreted as malevolent, beginning by early adulthood; ≥4 of 7: suspects exploitation/harm/deception; preoccupied with unjustified doubts about loyalty; reluctant to confide; reads hidden threatening meanings; bears grudges; perceives attacks on character not apparent to others; recurrent suspicions about fidelity of partner
≥1 month of ≥1 delusion(s)
No additional structured criteria supplied
B. Schizophrenia Criterion A never met; hallucinations not prominent or related to delusional theme C. Functioning not markedly impaired; behaviour not obviously odd apart from delusion D. No manic/major depressive episode; or mood episodes brief relative to delusion duration
A. Pervasive distrust and suspiciousness of others such that their motives are interpreted as malevolent, beginning by early adulthood; ≥4 of 7: suspects exploitation/harm/deception; preoccupied with unjustified doubts about loyalty; reluctant to confide; reads hidden threatening meanings; bears grudges; perceives attacks on character not apparent to others; recurrent suspicions about fidelity of partner
A. ≥1 month of ≥1 delusion(s) B. Schizophrenia Criterion A never met; hallucinations not prominent or related to delusional theme C. Functioning not markedly impaired; behaviour not obviously odd apart from delusion
With prominent hostility; With prominent suspiciousness; Mild / Moderate / Severe
Erotomanic type; Grandiose type; Jealous type; Persecutory type
Delusional disorder, persecutory type (fixed false beliefs at full delusional intensity); Schizotypal PD (odd beliefs, magical thinking, eccentric - beyond mere suspicion); Paranoid features of substance intoxication (cannabis, stimulants)
Schizophrenia (hallucinations, disorganised thought, negative symptoms, functional decline); OCD with poor insight; BDD (delusions about physical appearance)