| Adjustment Disorder | The character has a difficult time adapting to stressul situations. |
| Agnosia | The character is unable to recognize common items. |
| Alcoholism | The character is physically and psychologically dependent on alcohol. |
| Alzheimer's Disease | The character has progressive loss of intellectual and memory functions. |
| Amnesia | Character suffers from memory loss. |
| Anorexia nervosa | The character suffers from an extremely limited food intake due to a phobia of becoming obese. |
| Antisocial Personality Disorder | Complex personality disorder where the character is impulsive, superficial, and/or irresponsible to varying degrees. |
| Anxiety | The character suffers from nonspecific apprehension. |
| Aphasia | The character suffers from an impaired ability to speak and/or understand speech usually resulting from a brain injury. |
| Attention Deficit Disorder | The character is impulsive, hyperactive, and/or inattentive to varying degrees. |
| Autism | The character has severe difficulties with communication, social relationships, and/or cognitive development. |
| Avoidant Personality | The character has poor self-esteem and/or withdraws socially to varying degrees. |
| Bipolar Disorder | Character suffers from mood swings ranging from mania to depression. |
| Borderline Personality Disorder | The character's behavior is unpredictable or unstable to varying degrees. |
| Bulimia | The character eats in uncontrollable binges, often times followed by vomiting. |
| Compulsion | The character feels the need to act in a manner which is usually repetitive and senseless in order to relieve anxiety. |
| Conduct Disorder | The character lacks respect for others and/or societal rules in general. |
| Confabulation | The character subconsciously creates unlikely stories to fill in gaps in his memory. |
| Conversion Disorder | The character suffers from impaired motor and sensory function for no discernable reason. |
| Cyclothymic Disorder | The character suffers from mood swings (less severe than bipolar disorder). |
| Delusions | The character strongly believes false things to be true. |
| Dementia | The character suffers from loss of cognitive functions to varying degrees. |
| Dependent Personality Disorder | The character suffers from poor self-esteem, are not capable of assuming responsibility for themselves, and/or fear being alone to varying degrees. |
| Depression | The character suffers from overwhelming sadness, loss of interest in enjoyable activities, lack of self-esteem, and/or social withdrawal. |
| Development Disorder | The character has a decreased ability to learn certain things, but does fine with others. |
| Disoriented | The character suffers from confusion about his identity, location, and/or the current time. |
| Dysthymia | The character suffers from long-standing yet moderate depression. |
| Echolalia | The character automatically repeats the words and/or sounds of other characters. |
| Encopresis | The character suffers from inappropriate timing of bowel movements. |
| Enuresis | The character suffers from inappropriate timing or urination. |
| Exhibitionism | The character exposes himself in public. |
| Factitious Disorder | The character suffers from physical or psychological behaviors used to gain attention. |
| Flat Affect | The character is unable to experience normal emtional responses. |
| Free-Floating Anxiety | The character's feelings of anxiety cannot be associated with a specific source. |
| Gender Identity Disorder | The character identifies psychologically with the opposite physical gender. |
| Hallucination | The character suffers from false sensory perceptions; usually visual. |
| Histrionic Personality | The character suffers from inappropriate emotional displays, dependency, and/or self-centeredness to varying degrees. |
| Hypochondriasis | The character suffers from excessive concerns about his own health. |
| Insomnia | The character suffers from difficulties with either falling asleep and/or staying asleep. |
| Intellectualization | The character suppresses emotions and replaces them with intellectual explanations. |
| Kleptomania | The character steals items, usually ones that are not needed ot otherwise desired, impulsively. |
| Korsakoff's syndrome | The character suffers from impaired cognitive functions due to long-term alcoholism. |
| Learned Helplessness | The character feels that one has no control over his own life; results from past experiences. |
| Learning Disabilities | The character has difficulty learning math and/or language skills but otherwise functions at a normal intelligence level. |
| Maladaptive Behavior | The character's behavior does not meet the the needs of his environment. |
| Malingering | The character fakes a disorder for personal gain. |
| Mania | The character suffers from abnormally heightened euphoria, poor judgement, and/or impulsiveness. |
| Narcissistic Personality | The character suffers from excessive self-involvement and an abnormally heightened sense of self-worth. |
| Obsessive-Compulsive Disorder | The character suffers from irrational thoughts and repetitive/ritualistic behaviors. |
| Overanxious Disorder | The character suffers from performance anxiety and must constantly be reassured. |
| Panic Disorder | The character suffers from an overwhelming fear that he thinks may end in a heart attack or loss of sanity. |
| Passive-Aggressive Personality Disorder | The character procrastinates, forgets, or complains in order to indirectly express hostile feelings about a person or situation. |
| Post-Traumatic Stress Disorder | The character suffers psychological and/or physical symptoms due to a previous stressful event. |
| Psychopathic Personality | The character suffers from amoral and exploitive behaviors. |
| Schizoid Personality Disorder | The character is withdrawn, aloof, and uncaring towards other's feelings. |
| Schizophrenia | The character suffers from bizarre behavior and a distorted view of reality. |
| Seasonal Affective Disorder | The character becomes depressed in Autumn. The depression lifts in Spring. |
| Separation Anxiety Disorder | The character is fearful of being away from his family and/or adventuring group. |
| Social Phobia | The character is fearful of being social situations. |
| Somatoform Disorder | The character suffers physical pains or impairments that result from pyschological causes. |
| Tic | An involuntary muscle twitch, often involving the face. |
| Tourette's Syndrome | The character suffers from tics and/or uncontrollable verbalizations. |
| Type A Personality | The character is aggressive, hostile, and/or has an overdeveloped need to achieve. |
| Word Salad | The character is prone to fits of incoherent speech; often seen in psychotic characters. |