Psychiatric manifestations include hysteria, anxiety, depression, phobias, psychosis, organic disorders, agitation, delirium, and altered consciousness ranging from somnolence
[ncbi.nlm.nih.gov]
Many psychiatric manifestations are also seen in patients with acute porphyria.
[medlink.com]
There may be 4 categories of neuropsychiatric manifestations: seizures, polyneuropathy, transient sensory-motor symptoms, and cognitive or behavioral abnormalities.
[medlink.com]