Severe, ongoing anxiety that interferes with daily activities.

Generalized anxiety disorder can occur at any age.

The condition has symptoms similar to panic disorder, obsessive-compulsive disorder, and other types of anxiety. These symptoms include constant worry, restlessness, and trouble with concentration.

Treatment may include counseling and medications, such as antidepressants.

Persistent problems falling and staying asleep.

Most cases of insomnia are related to poor sleep habits, depression, anxiety, lack of exercise, chronic illness, or certain medications.

Symptoms may include difficulty falling or staying asleep and not feeling well-rested.

Treatment for insomnia consists of improving sleep habits, behavior therapy, and identifying and treating underlying causes. Sleeping pills may also be used, but should be monitored for side effects.

Panic disorder is an anxiety disorder where you regularly have sudden attacks of panic or fear.

Factors that may increase the risk of developing panic attacks or panic disorder include: Family history of panic attacks or panic disorder. Major life stress, such as the death or serious illness of a loved one. A traumatic event, such as sexual assault or a serious accident.

POST TRAUMATIC STRESS DISORDER

A disorder in which a person has difficulty recovering after experiencing or witnessing a terrifying event.

The condition may last months or years, with triggers that can bring back memories of the trauma accompanied by intense emotional and physical reactions.

Symptoms may include nightmares or unwanted memories of the trauma, avoidance of situations that bring back memories of the trauma, heightened reactions, anxiety, or depressed mood.

Treatment includes different types of trauma-focused psychotherapy as well as medications to manage symptoms.

A mood disorder characterized by depression that occurs at the same time every year.

Seasonal affective disorder occurs in climates where there is less sunlight at certain times of the year.

Symptoms include fatigue, depression, hopelessness, and social withdrawal.

Treatment includes light therapy (phototherapy), talk therapy, and medications.

Acute stress disorder is an intense, unpleasant, and dysfunctional reaction beginning shortly after an overwhelming traumatic event and lasting less than a month. If symptoms persist longer than a month, people are diagnosed as having post traumatic stress disorder (PTSD).

A chronic mental health condition in which social interactions cause irrational anxiety.

For people with social anxiety disorder, everyday social interactions cause irrational anxiety, fear, self-consciousness, and embarrassment.

Symptoms may include excess fear of situations in which one may be judged, worry about embarrassment or humiliation, or concern about offending someone.

Talk therapy and antidepressants can help increase confidence and improve ability to interact with others.

Depression that occurs after childbirth.

Those who develop postpartum depression are at greater risk of developing major depression later on in life.

Symptoms might include insomnia, loss of appetite, intense irritability, and difficulty bonding with the baby.

Untreated, the condition may last months or longer. Treatment can include counseling, antidepressants, or hormone therapy.

A severe, sometimes disabling extension of premenstrual syndrome.

Premenstrual dysphoric disorder (PMDD) is a severe form of premenstrual syndrome that includes physical and behavioral symptoms that usually resolve with the onset of menstruation.

PMDD causes extreme mood shifts that can disrupt work and damage relationships. Symptoms include extreme sadness, hopelessness, irritability, or anger, plus common premenstrual syndrome symptoms such as breast tenderness and bloating.

Drugs and lifestyle changes may help.

A phobia is a type of anxiety disorder defined by a persistent and excessive fear of an object or situation. Phobias typically result in a rapid onset of fear and are present for more than six months.

Excessive thoughts (obsessions) that lead to repetitive behaviors (compulsions).

Obsessive-compulsive disorder is characterized by unreasonable thoughts and fears (obsessions) that lead to compulsive behaviors.

OCD often centers on themes such as a fear of germs or the need to arrange objects in a specific manner. Symptoms usually begin gradually and vary throughout life.

Treatment includes talk therapy, medications, or both.