Overwhelming feelings of guilt and sadness
Hypersomnia
Lassitude
Lack of appetite
Psychomotor agitation - can be severe and last for days
Nightmares
Hygiene neglect
Extreme withdrawal
Obsessions with death and dying
Anxiety
Hallucinations and sometimes delusions
Hypochondria - intestinal parasites and cancer
Crying - especially in the early stages of the illness
Anhedonia
Suicidal ideation - this is rare