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Symptoms

Common Signs of Mental Illness in Adults

Excessive worrying or fear

Feeling excessively sad or low

Confused thinking or problems concentrating and learning

Extreme mood changes, including uncontrollable “highs” or feelings of euphoria

Prolonged or strong feelings of irritability or anger

Avoiding friends and social activities

Changes in sleeping habits or feeling tired and low energy

Overuse of substances like alcohol or drugs

Multiple physical ailments without obvious causes (such as headaches, stomach aches, vague and ongoing “aches and pains”)

Thinking about suicide

Inability to carry out daily activities or handle daily problems and stress

An intense fear of weight gain or concern with appearance

Symptoms & Conditions: List

Symptoms in Children

Common Signs of Mental Illness in Children

Changes in school performance

Excessive worry or anxiety, for instance fighting to avoid bed or school

Frequent nightmares

Frequent disobedience or aggression

Hyperactive behavior

Frequent temper tantrums

Symptoms & Conditions: List

Mental Health Conditions

Anxiety Disorders

Anxiety disorders are a group of related conditions, each having unique symptoms. However, all anxiety disorders have one thing in common: persistent, excessive fear or worry in situations that are not threatening.

Attention Deficit Hyperactivity Disorder (ADHD)

Attention deficit hyperactivity disorder (ADHD) is a condition in which characterized by inattention, hyperactivity and impulsivity. ADHD is most commonly diagnosed in young people. While ADHD is usually diagnosed in childhood, it does not only affect children.

Bipolar Disorder

Bipolar disorder is a mental illness that causes dramatic shifts in a person’s mood, energy and ability to think clearly. People with bipolar experience high and low moods—known as mania and depression—which differ from the typical ups-and-downs most people experience.

Borderline Personality Disorder

Borderline Personality Disorder (BPD) is a condition characterized by difficulties regulating emotion. This means that people who experience BPD feel emotions intensely and for extended periods of time, and it is harder for them to return to a stable baseline after an emotionally triggering event.

Depression

Depressive disorder, frequently referred to simply as depression, is more than just feeling sad or going through a rough patch. It’s a serious mental health condition that requires understanding and medical care. Left untreated, depression can be devastating for those who have it and their families.

Dissociative Disorders

Dissociative disorders are characterized by an involuntary escape from reality characterized by a disconnection between thoughts, identity, consciousness and memory.

Eating Disorders

Eating disorders are a group of related conditions that cause serious emotional and physical problems. Each condition involves extreme food and weight issues.

Obsessive-Compulsive Disorder

Obsessive-compulsive disorder (OCD) is characterized by repetitive, unwanted, intrusive thoughts (obsessions) and irrational, excessive urges to do certain actions (compulsions).

Posttraumatic Stress Disorder

Traumatic events—such as an accident, assault, military combat or natural disaster—can have lasting effects on a person’s mental health. While many people will have short term responses to life-threatening events, some will develop longer term symptoms that can lead to a diagnosis of Posttraumatic Stress Disorder (PTSD).

Psychosis

Psychosis is characterized as disruptions to a person’s thoughts and perceptions that make it difficult for them to recognize what is real and what isn’t. These disruptions are often experienced as seeing, hearing and believing things that aren’t real or having strange, persistent thoughts, behaviors and emotions.

Schizoaffective Disorder

Schizoaffective disorder is a chronic mental health condition characterized primarily by symptoms of schizophrenia, such as hallucinations or delusions, and symptoms of a mood disorder, such as mania and depression.

Schizophrenia

Schizophrenia is a serious mental illness that interferes with a person’s ability to think clearly, manage emotions, make decisions and relate to others. It is a complex, long-term medical illness.

Symptoms & Conditions: List
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