depression

decreased sexual desire in males, difficulty sleeping, poor appetite, weakness

In everyday language depression refers to any downturn in mood, which may be relatively transitory and perhaps due to something trivial. This is differentiated from Clinical depression which is marked by symptoms that last two weeks or more and are so severe that they interfere with daily living. ... 

decreased sexual desire in males, difficulty speaking, poor appetite, weight loss

Clinical depression (also called major depressive disorder, or sometimes unipolar when compared with bipolar disorder) is a state of intense sadness, melancholia or despair that has advanced to the point of being disruptive to an individual's social functioning and/or activities of daily living. Although a low mood or state of dejection that does not affect functioning is often colloquially referred to as depression, clinical depression is a clinical diagnosis and may be different from the everyday meaning of "being depressed." Many people identify the feeling of being depressed as "feeling sad for no reason", or "having no motivation to do anything." One suffering from depression may feel tired, sad, irritable, lazy, unmotivated, and apathetic. Clinical depression is generally acknowledged to be more serious than normal depressed feelings. It often leads to constant negative thinking and sometimes substance abuse. ... 

anxiety, depression, difficulty sleeping, irritability

Post-traumatic stress disorder (PTSD) is a term for certain severe psychological consequences of exposure to, or confrontation with, stressful events that the person experiences as highly traumatic. Clinically, such events involve actual or threatened death, serious physical injury, or a threat to physical and/or psychological integrity, to a degree that usual psychological defenses are incapable of coping with the impact. It is occasionally called post-traumatic stress reaction to emphasize that it is a result of traumatic experience rather than a manifestation of a pre-existing psychological condition. The presence of a PTSD response is influenced by the intensity of the experience, its duration, and the individual person involved. ... 

nausea, swollen feet, swollen feet and legs, weight gain

Premenstrual Syndrome (PMS) (also called Premenstrual Stress or Premenstrual Tension) is a collection of physical, psychological, and emotional symptoms related to a woman's menstrual cycle. While most women (about 80 to 95 percent) of child-bearing age have some premenstrual symptoms, women with PMS have symptoms of "sufficient severity to interfere with some aspects of life". Further, such symptoms are predictable and occur regularly during the two weeks prior to menses. The symptoms vanish after the bleeding starts. About 14 percent of women between the ages of 20 to 35 get so affected that they must stay home from school or work. ... 

behavioral changes, confusion, depression, hallucinations

Psychosis is a generic psychiatric term for a mental state often described as involving a "loss of contact with reality". Stedman's Medical Dictionary defines psychosis as "a severe mental disorder, with or without organic damage, characterized by derangement of personality and loss of contact with reality and causing deterioration of normal social functioning." ... 

irregular menstrual periods, poor appetite, stomach pain, upper abdominal pain

Alcoholism is the consumption of or preoccupation with alcoholic beverages to the extent that this behavior interferes with the alcoholic's normal personal, family, social, or work life. Alcohol consumption caused by alcoholism can result in psychological and physiological conditions, and ultimately in death. Alcoholism is one of the world's most costly drug use problems; with the exception of nicotine addiction, alcoholism is more costly to most countries than all other drug use problems combined. ... 

anger, behavioral changes, poor grooming habits, poor social skills

Borderline personality disorder (BPD) is defined within psychiatry and related psychological fields as a mental disorder characterized primarily by emotional dysregulation, extreme "black and white" thinking, or "splitting" (believing that something is one of only two possible things, and ignoring any possible "in-betweens"), and chaotic relationships. It is described by mental health professionals as a serious mental illness characterized by pervasive instability in mood, interpersonal relationships, self-image, identity, and behavior, and a disturbance in the individual's sense of self. ... 

difficulty walking, headache, poor coordination, vision problems

Head injury is a trauma to the head, that may or may not include injury to the brain (see also brain injury). ... 

difficulty sleeping, fatigue, trying too hard to sleep

aggressive behavior, behavioral changes, disorganized speech, hallucinations

Schizophrenia (from the Greek word σχιζοφρένεια, or schizophreneia, meaning "split mind") is a psychiatric diagnosis that describes a mental disorder characterized by impairments in the perception or expression of reality and by significant social or occupational dysfunction. A person experiencing schizophrenia is typically characterized as demonstrating disorganized thinking, and as experiencing delusions or hallucinations, in particular auditory hallucinations. ...