What Are the 6 Types of Anxiety Disorders? A Closer Look

Anxiety is a normal human emotion. It becomes a disorder when it is intense, lasts a long time, and interferes with daily life. The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) — the standard reference used by clinicians in the United States — recognizes several distinct anxiety disorders, and six are most commonly discussed in clinical practice.

Each type has its own pattern of triggers, symptoms, and timing. Understanding these differences matters, because the right treatment approach can vary depending on which disorder is present.

What Are the 6 Types of Anxiety Disorders?

The six main types are separation anxiety disorder, selective mutism, specific phobia, social anxiety disorder, panic disorder, and generalized anxiety disorder. They share features of excessive fear or worry, but they differ in what triggers the anxiety and how it shows up.

It is worth clarifying one common confusion. In the DSM-5, obsessive-compulsive disorder (OCD) and post-traumatic stress disorder (PTSD) are no longer classified as anxiety disorders. They were moved into separate categories — OCD into “obsessive-compulsive and related disorders” and PTSD into “trauma- and stressor-related disorders.” This was a significant change from the previous edition. Many people still think of OCD and PTSD as anxiety disorders, and the symptoms do overlap, but the current classification separates them.

The table below offers a quick comparison of the six types.

What Is Separation Anxiety Disorder?

Separation anxiety disorder involves fear or distress about being separated from people the person is attached to. It goes beyond the normal clinginess of a toddler. The fear is intense, lasts at least four weeks in children, and causes real problems at home, school, or work.

Children may refuse to sleep alone, follow a parent from room to room, or complain of physical symptoms like stomachaches before a separation. Adults with this disorder may worry excessively about a partner or child coming to harm, or feel unable to leave home without them.

For years, this was considered a childhood condition only. The DSM-5 removed the age restriction, acknowledging that adults can have it too. Some adults experience it for the first time after a loss or major life change.

What Is Selective Mutism?

Selective mutism is a rare anxiety disorder in which a person consistently cannot speak in certain situations — usually school or public settings — even though they speak normally in comfortable settings like home. It is not defiance or a choice. The child is genuinely unable to speak in those moments.

It typically appears before age 5, though it may not be noticed until a child starts school. The failure to speak lasts at least one month and is not explained by a lack of knowledge of the language or a communication disorder.

Selective mutism is often accompanied by social anxiety. Many children with the condition also meet criteria for social anxiety disorder. The two can look similar, but the defining feature of selective mutism is the specific inability to speak in certain settings.

What Is Specific Phobia?

A specific phobia is a marked, persistent fear of a particular object or situation. The fear is out of proportion to the actual danger and leads to avoidance or intense distress. Common examples include fear of heights, flying, needles, spiders, dogs, or blood.

Most people with a specific phobia know the fear is excessive. That insight does not make it go away. The anxiety response is automatic and can include a racing heart, sweating, trembling, and a strong urge to escape.

Specific phobias are among the most common anxiety disorders. They often begin in childhood or adolescence and can persist for years if untreated. Blood-injection-injury phobia is a notable subtype because it can cause a drop in heart rate and blood pressure, sometimes leading to fainting — a different physiological response than most other phobias.

What Is Social Anxiety Disorder?

Social anxiety disorder involves intense fear of social or performance situations where the person might be judged, embarrassed, or humiliated. It is not just shyness. The fear is persistent, typically lasting six months or more, and it interferes with daily functioning.

People with this disorder may avoid speaking up in meetings, eating in public, meeting new people, or using public restrooms. They often worry for days before an event and replay interactions afterward. Physical symptoms can include blushing, sweating, trembling, nausea, and difficulty speaking.

The disorder usually begins in adolescence, though it can start earlier. It tends to run a chronic course without treatment. Many people with social anxiety disorder also experience other anxiety disorders or depression.

What Is Panic Disorder?

Panic disorder involves recurrent, unexpected panic attacks and ongoing worry about having more attacks or about the consequences of them. A panic attack is a sudden surge of intense fear that peaks within minutes and includes symptoms like a pounding heart, shortness of breath, chest pain, dizziness, and a feeling of losing control or dying.

The key word is “unexpected.” Many people have panic attacks in response to a specific trigger, such as a phobia. In panic disorder, the attacks come out of the blue, at least initially. The ongoing fear of the next attack — called anticipatory anxiety — can become as disruptive as the attacks themselves.

Panic disorder often leads to changes in behavior. A person may avoid places where escape might be difficult, such as crowded stores, bridges, or public transportation. When this avoidance becomes widespread, it may meet criteria for agoraphobia, which the DSM-5 classifies as a separate disorder that can occur with or without panic disorder.

What Is Generalized Anxiety Disorder?

Generalized anxiety disorder (GAD) involves persistent, excessive worry about a range of everyday things — work, health, family, finances, minor matters. The worry is hard to control and occurs more days than not for at least six months.

Unlike panic disorder, which involves sudden surges, GAD is more like a constant background hum of tension. People with GAD often describe feeling unable to relax, being easily fatigued, having trouble concentrating, and experiencing muscle tension or sleep problems. The worry shifts from topic to topic rather than focusing on one specific thing.

GAD often begins gradually and may first appear in adulthood, though it can start earlier. It frequently occurs alongside other conditions, including depression and other anxiety disorders. This overlap can make diagnosis more complex.

How Are Anxiety Disorders Treated?

The main evidence-based treatments for anxiety disorders are psychotherapy, medication, or a combination of both. Cognitive behavioral therapy (CBT) has the strongest research support across these conditions. It focuses on identifying and changing the thought patterns and behaviors that maintain anxiety.

Exposure-based approaches are a core part of CBT for many anxiety disorders. The idea is to gradually face feared situations rather than avoid them, which reduces the anxiety response over time. For specific phobias, this is often the primary treatment.

Medications may include selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs), which are commonly prescribed. Benzodiazepines may be used short-term in some cases, but they carry a risk of dependence and are generally not recommended for long-term use.

Treatment response varies. Some people improve significantly with therapy alone. Others need medication, or a combination. No single approach works for everyone, and finding the right fit often involves some trial and error with a qualified clinician.

When Should Someone Seek Help?

Anxiety becomes a concern when it interferes with daily life — work, relationships, sleep, or the ability to do things most people take for granted. If worry or fear is persistent, feels out of control, or leads to avoidance of important activities, that is a signal to talk to a doctor or mental health professional.

Anxiety disorders are common and treatable. Many people wait years before seeking help, often because they assume their symptoms are just part of their personality or something they should handle alone. They are not, and they do not have to be.

If you are unsure whether what you are experiencing meets the threshold for a diagnosis, that is exactly the kind of question a clinician can help answer. A primary care doctor can be a starting point, and they can refer you to a psychiatrist or psychologist if needed.