There are 12 anxiety disorders recognized in the DSM-5, the diagnostic manual used by mental health professionals. These range from widely known conditions like generalized anxiety disorder and panic disorder to less familiar ones like selective mutism and substance-induced anxiety. While many people use “anxiety” as a catch-all term, each type has distinct triggers, symptoms, and patterns. Roughly 4.4% of the global population, about 359 million people, lives with an anxiety disorder.
One important note: OCD and PTSD were once grouped with anxiety disorders but are now classified in their own separate categories. The 12 types below are the ones that currently fall under the anxiety disorders chapter.
1. Generalized Anxiety Disorder (GAD)
GAD is persistent, hard-to-control worry about everyday things: work, health, finances, family, small daily tasks. What separates it from normal worry is that the anxiety occurs more days than not, lasts at least six months, and comes with physical symptoms like muscle tension, fatigue, restlessness, difficulty concentrating, irritability, or disrupted sleep. People with GAD often can’t point to a single source of their worry. It just shifts from topic to topic.
2. Social Anxiety Disorder
Social anxiety disorder involves intense fear of social situations where you might be watched, judged, or evaluated by others. This goes well beyond shyness. Common triggers include having conversations with unfamiliar people, eating or drinking in front of others, and giving speeches or presentations. The core fear is acting in a way that will be humiliating, embarrassing, or lead to rejection. These situations are either avoided entirely or endured with significant distress, and the pattern persists for six months or more.
3. Panic Disorder
Panic disorder involves recurrent, unexpected panic attacks followed by ongoing worry about having more of them. A panic attack is a sudden surge of intense fear that peaks within minutes and produces powerful physical symptoms: rapid heart rate, trouble breathing or a choking sensation, chest pain, dizziness, shaking, numbness or tingling, and sometimes a conviction that you’re dying or losing control. The attacks themselves aren’t the whole disorder. It’s the persistent dread of the next one, and the behavioral changes people make to try to prevent them, that define panic disorder.
4. Agoraphobia
Agoraphobia is the fear and avoidance of situations where escape might be difficult or help unavailable if panic or other overwhelming symptoms strike. This can include public transportation, open spaces, enclosed spaces, crowds, or being outside the home alone. Most people who develop agoraphobia do so after experiencing one or more panic attacks, which leads them to avoid the places where attacks occurred. However, agoraphobia is its own diagnosis, separate from panic disorder. Some people have both, while others have agoraphobia without a history of full panic attacks. In severe cases, people become unable to leave their homes.
5. Specific Phobia
A specific phobia is an intense, irrational fear of a particular object or situation that leads to avoidance. The fear is out of proportion to the actual danger. There are five recognized subtypes:
- Animal type: dogs, snakes, spiders, insects
- Natural environment type: heights, storms, water
- Blood-injection-injury type: seeing blood, getting a shot, watching medical procedures
- Situational type: flying, elevators, driving, enclosed spaces
- Other type: fear of choking, vomiting, contracting an illness, or (in children) loud sounds like balloons popping
Specific phobias are among the most common anxiety disorders and often begin in childhood. The distinguishing feature is that the fear is tied to one identifiable trigger rather than being generalized.
6. Separation Anxiety Disorder
Most people associate separation anxiety with toddlers, but it’s a diagnosable disorder that can affect older children, teenagers, and adults. It involves excessive fear or worry about being apart from attachment figures, typically parents or a spouse. The anxiety is beyond what’s expected for the person’s developmental stage and causes significant distress or difficulty functioning. A child might refuse to go to school, sleep away from a parent, or have nightmares about separation. Adults might struggle to be away from a partner or constantly worry that something terrible will happen to a loved one while they’re apart.
7. Selective Mutism
Selective mutism is an anxiety disorder in which a child consistently fails to speak in specific social situations, like school or around unfamiliar people, despite speaking normally in other settings such as at home with family. It typically begins before age 5 and often becomes a clinical concern when the child starts school. The silence isn’t a choice or an act of defiance. It’s driven by anxiety. To qualify for this diagnosis, the inability to speak must last at least one month (not counting the first month of school, when adjustment is normal), and it can’t be explained by a language barrier or a communication disorder.
8. Substance/Medication-Induced Anxiety Disorder
This type of anxiety is directly caused by a substance rather than an underlying psychological pattern. The anxiety symptoms, which can include panic attacks, generalized worry, or obsessive thoughts, develop during or shortly after substance use, intoxication, or withdrawal. Common culprits include alcohol (especially during withdrawal), cocaine, amphetamines, LSD, caffeine, prescribed stimulants, sedatives, and steroids. The key distinction is that the anxiety resolves once the substance is out of the person’s system or the medication is adjusted. If the anxiety persists long after the substance is gone, a different diagnosis is more appropriate.
9. Anxiety Disorder Due to Another Medical Condition
Certain medical conditions can directly produce anxiety symptoms through physiological mechanisms rather than just the stress of being sick. Hyperthyroidism, for example, revs up the body’s metabolism and can trigger feelings indistinguishable from an anxiety disorder. Cardiac arrhythmias, respiratory diseases, and hormonal imbalances can do the same. Conditions involving chronic pain and disability, like arthritis, also increase the risk of developing anxiety. The diagnosis applies when there is clear evidence that the medical condition is biologically driving the anxiety, not simply that a person feels anxious about being ill.
10. Other Specified Anxiety Disorder
This diagnosis exists for people who have clinically significant anxiety that interferes with daily life but doesn’t fully meet the criteria for any of the named disorders above. For instance, someone might experience anxiety on most days but not quite enough days to qualify for GAD, or they might have a presentation that closely resembles a recognized disorder but falls short on one specific criterion. The clinician specifies the reason the full criteria aren’t met.
11. Unspecified Anxiety Disorder
This is similar to “other specified” but is used when the clinician chooses not to specify why the criteria for a particular anxiety disorder aren’t met, or when there isn’t enough information to make a more precise diagnosis. It’s common in emergency settings or initial evaluations where time is limited. It serves as a placeholder that acknowledges real, impairing anxiety without forcing a premature label.
12. Panic Attack Specifier
This is listed within the anxiety disorders chapter, though it works differently from the others. A panic attack specifier isn’t a standalone diagnosis. Instead, it can be noted alongside any mental health condition. Someone with depression, PTSD, or a substance use disorder can experience panic attacks without having panic disorder. Including this specifier signals that panic attacks are part of the clinical picture, which affects treatment planning and indicates greater overall severity.
How Anxiety Disorders Are Treated
Cognitive behavioral therapy (CBT) has the strongest evidence base across all anxiety disorders. It works by helping people identify distorted thought patterns that fuel anxiety, then gradually face feared situations in a controlled way. For specific phobias, the treatment is more targeted: exposure therapy, where you’re systematically and safely exposed to the feared object or situation until the fear response weakens. This approach has high success rates, often in a relatively short number of sessions.
Medication is the other main treatment route, used either alone or in combination with therapy. The first-line medications work by adjusting serotonin levels in the brain, helping to reduce the intensity of anxious thoughts and physical symptoms. These are typically taken daily rather than as-needed. Benzodiazepines, the fast-acting anti-anxiety medications many people associate with anxiety treatment, are not recommended for routine use because of their potential for dependence and the fact that they don’t address the underlying problem.
The best approach depends on the specific type of anxiety, its severity, and individual factors. Many people benefit most from combining therapy with medication, particularly for panic disorder, GAD, and social anxiety disorder.