Separation Anxiety Disorder Guide: Symptoms, Causes, Diagnosis, and Treatment
Updated: 2 days ago
Medically reviewed by Dr. Baraa Alnahhal, MD · Last reviewed: September 2026
TL;DR
Separation anxiety is a normal developmental stage for most infants and toddlers, tearful daycare drop-offs that usually ease by about age 2 to 3. But in some children, the fear of being away from parents is more intense than other kids their age, lasts longer, interferes with school and daily activities, or comes with panic attacks. That pattern is separation anxiety disorder, which can be identified as early as preschool age and, less often, in teenagers and adults who struggle to leave home or go to work. The condition usually will not go away without treatment, and it can lead to panic disorder and other anxiety disorders in adulthood, but therapy-first treatment, usually cognitive behavioral therapy with exposure techniques, works, and medicine is added only when needed [1] [2].
Quick Answer
What it is: A condition in which anxiety about being away from parents or another close caregiver is far beyond what is expected for a child's developmental age, causes major distress, and disrupts daily activities [1].
When it starts: Can be identified as early as preschool age; it begins in childhood and may continue into the teenage years and sometimes adulthood [1].
The eight key signs: intense distress at separations, constant worry a parent will die or be harmed, fear something bad will cause separation (getting lost, kidnapped), refusing to be away from home, refusing to be home alone, refusing to sleep without a parent nearby, repeated separation nightmares, and headaches or stomachaches around separations [1].
How it's diagnosed: A pediatrician rules out medical conditions, then refers to a mental health professional for a psychological evaluation, a structured interview with parent and child, together and separately [2].
Treatment in one line: Psychotherapy (CBT with exposure treatment) comes first; medicine such as an SSRI may be added for older children and adults when therapy alone is not enough [2].
What This Guide Is Based On
This guide is built entirely from specialist-reviewed clinical guidance updated in June 2024, supported by the diagnostic criteria of the DSM-5-TR (American Psychiatric Association, 2022), the JAMA separation anxiety disorder review (2021), the Psychiatric Quarterly prevalence and comorbidity study of children and adolescents (2020), the Merck Manual professional reference, the American Academy of Child and Adolescent Psychiatry's anxiety guidance, and UpToDate overviews of psychotherapy and pharmacotherapy for childhood anxiety disorders. These peer-reviewed and institution-backed references are cited inline throughout, with the full list at the end of this guide [1] [2].
What Is Separation Anxiety Disorder?
Separation anxiety is a typical phase for many infants and toddlers. Young children often go through a period of anxiety or distress when separating from a parent or main caregiver, tears at daycare drop-off, fussiness when a new person holds them. This usually starts to improve by about 2 to 3 years of age [1].
In some children, intense and ongoing separation anxiety is a sign of a more serious condition known as separation anxiety disorder. Separation anxiety disorder can be identified as early as preschool age. Less often, it occurs in teenagers and adults, where it can cause major problems leaving home or going to work [1].
Treatment can lessen separation anxiety disorder symptoms, most often through specific types of therapy, sometimes along with medicine [1].
How Do You Know It's a Disorder and Not a Normal Stage?
Separation anxiety disorder is diagnosed when symptoms are much more than expected for someone's developmental age and cause major distress or problems doing daily activities [1].
Most often, the anxiety relates to being away from parents or guardians, but it could relate to another close caregiver. The table below shows the eight symptoms that define the condition [1].
Symptom | What it looks like |
Repeated, intense distress about separation | Distress when thinking about separation or when away from home or loved ones; clinginess or tantrums that last longer or are more severe than other kids the same age [1] |
Constant worry about losing a loved one | Intense fear of losing a parent to illness, death, disaster, or harm [1] |
Constant worry something bad will cause separation | Fear of being lost or kidnapped [1] |
Refusing to be away from home | Avoiding being away because of fear of separation [1] |
Refusing to be home alone | Not wanting to be alone without a parent or loved one close by, at an age when being alone might be expected [1] |
Sleep separations | Refusing to sleep away from home or without a parent nearby, at an age when this might be expected [1] |
Repeated nightmares | Nightmares about separation [1] |
Physical complaints | Repeated headaches, stomachaches, or other symptoms during or before separation [1] |
Separation anxiety disorder may occur along with panic attacks, repeated bouts of sudden intense anxiety, fear, or terror that reach a peak within minutes [1].
What Causes Separation Anxiety Disorder?
Sometimes, separation anxiety can be triggered by life stress that results in separation from a loved one, for example, divorce of parents, changing schools, moving to a new location, or a loved one's death. Genetics may play a role in separation anxiety becoming separation anxiety disorder [1].
Who Is Most at Risk?
Separation anxiety disorder most often begins in childhood, but it may continue into the teenage years and sometimes into adulthood [1].
Risk factor | What it means |
Life stresses or loss causing separation | Illness or death of a loved one, loss of a beloved pet, divorce of parents, moving, or going away to school [1] |
Family history | Having blood relatives with anxiety symptoms or an anxiety disorder may increase the risk [1] |
Situational issues | Experiencing a disaster or traumatic life event may increase the risk [1] |
When Should You See a Doctor?
Separation anxiety disorder usually won't go away without treatment and can lead to panic disorder and other anxiety disorders into adulthood. If you have concerns about your child's separation anxiety, talk to your child's pediatrician or other healthcare professional [1].
Two practical markers help you decide: anxiety that is much worse than other children at the same developmental stage, and anxiety that interferes with school or other daily activities, or includes panic attacks or other problem behaviors [1].
What Are the Possible Complications?
Separation anxiety disorder causes major distress and problems functioning at home, in social situations, or at work or school. Several other conditions can occur along with it [1].
Complication | What it means |
Other anxiety disorders | Generalized anxiety disorder, panic attacks, phobias, social anxiety disorder, or agoraphobia may develop alongside it [1] |
Obsessive-compulsive disorder | OCD can occur with the disorder [1] |
Depression | Depressive symptoms can develop alongside it [1] |
How Is Separation Anxiety Disorder Diagnosed?
Diagnosis involves figuring out whether your child is going through a typical stage of development or if the symptoms are serious enough to be considered separation anxiety disorder. After ruling out any medical conditions, your child's pediatrician may refer you to a mental health professional with expertise in anxiety disorders in children [2].
To help diagnose the disorder, the mental health professional will likely talk with you and your child, usually together and also separately. This structured interview, sometimes called a psychological evaluation, involves talking about thoughts, feelings, and behavior [2].
How Is Separation Anxiety Disorder Treated?
Separation anxiety disorder is usually treated first with psychotherapy. Medicine sometimes is also used if therapy alone isn't working [2].
Psychotherapy. Cognitive behavioral therapy (CBT) is an effective form of therapy for separation anxiety disorder. Exposure treatment, a part of CBT, has been found to be helpful. During this type of treatment, your child can learn how to face and manage fears about separation and uncertainty. Parents also learn how to effectively give emotional support and encourage independence that suits the child's age [2].
Medicine. Sometimes, combining medicine with CBT may be helpful if anxiety symptoms are severe and a child isn't making progress in therapy alone. Antidepressants called selective serotonin reuptake inhibitors (SSRIs) may be an option for older children and adults [2].
Treatment step | When it is used |
Cognitive behavioral therapy with exposure treatment | First-line treatment; the child learns to face and manage fears of separation and uncertainty [2] |
Parent training within therapy | Parents learn to give emotional support and encourage age-appropriate independence [2] |
Medicine added to CBT | When symptoms are severe and therapy alone is not working [2] |
SSRI antidepressants | Medicine option for older children and adults [2] |
What Can Parents Do at Home?
While separation anxiety disorder gets better with professional treatment, you also can take steps to help ease your child's separation anxiety. Learning about the disorder, and helping your child understand it, is the first step. Following the treatment plan matters more than anything: keeping therapy appointments and staying consistent makes a big difference. And taking action means learning what triggers your child's anxiety and practicing the skills learned from the mental health professional, so you're ready to deal with anxious feelings during separations [2].
Coping and support matters for the whole family. Showing calm support, encouraging your child to try new experiences and develop independence, and modeling bravery when facing your own distress, helps a child who is facing fears. Practicing goodbyes by leaving your child with a trusted caregiver for short periods teaches your child that you will return. And it's important to have supportive relationships for yourself, so you can better help your child [2].
Is There a Way to Prevent It?
There's no sure way to prevent separation anxiety disorder in your child, but a few suggestions may help. Get professional advice as soon as possible if you're concerned that your child's anxiety is much worse than others at the same developmental stage, early diagnosis and treatment can lessen anxiety symptoms and keep the condition from getting worse. Follow the treatment plan to help prevent relapses or worsening of symptoms. And get your own evidence-based treatment and support if you have anxiety, depression, or other mental health concerns, so that you can model healthy coping skills for your child [1].
How Should You Prepare for Your Appointment?
If you think your child may have separation anxiety disorder, start by seeing your child's pediatrician. The pediatrician may refer you to a mental health professional with expertise in anxiety disorders [2].
Before the appointment, make a list of your child's symptoms (when they occur, what seems to make them better or worse, and how much they affect day-to-day activities), what causes your child to be anxious (major life changes, stressful events, or past traumatic experiences), any family history of mental health problems, any health problems your child has, and all medicines your child takes, including vitamins, herbs, or supplements with doses [2].
Useful questions to ask | Why it helps |
What do you think is causing or worsening the anxiety? | Identifies triggers and causes [2] |
Are any tests needed? | Clarifies the diagnostic path [2] |
What type of therapy might help? | Sets treatment expectations [2] |
Would medicine help? Is there a generic option? | Weighs medicine options and cost [2] |
What steps can I take at home? | Extends treatment into daily life [2] |
What materials or websites do you suggest? | Builds your own understanding [2] |
The mental health professional is likely to ask how severe the symptoms are, when you first noticed the anxiety, how you respond to it, what makes it worse or better, any recent or past traumatic experiences, existing health conditions, medicines, and whether blood relatives have ongoing anxiety or other mental health conditions such as depression. Being ready with answers frees up time to talk about what matters most to you [2].
Conclusion: It's Common, It's Treatable, and Earlier Help Works Better
Separation anxiety is a normal part of growing up for most young children, but when the fear of being apart from parents is far more intense, lasts far longer, and gets in the way of school and daily life, it may be separation anxiety disorder. The good news is that it is recognized early (as early as preschool age), diagnosed clearly through a structured psychological evaluation, and treated effectively with therapy first, cognitive behavioral therapy with exposure techniques, supported by parents learning to encourage independence in an age-appropriate way. Medicine is reserved for the cases where therapy alone isn't enough. Because the disorder usually won't go away without treatment, the single most important step a parent can take is getting professional advice early: it lessens symptoms and keeps the condition, and the anxiety disorders that can follow it, from getting worse.
If your child's anxiety seems much stronger than other children's, talk to your child's pediatrician.
This guide is for general education only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions about a medical condition.
Frequently Asked Questions
What is separation anxiety disorder, in simple terms?
It is a condition in which a child's anxiety about being away from parents or another close caregiver is much more intense than other kids the same age, lasts longer, interferes with school or daily activities, or includes panic attacks, far beyond the normal developmental stage most toddlers pass through [1].
Is it normal for my toddler to cry at daycare drop-off?
Yes, separation anxiety is a typical phase for many infants and toddlers, and it usually starts to improve by about 2 to 3 years of age. It becomes a concern when the anxiety seems much worse than other children at the same developmental stage [1].
What are the signs that it's more than a phase?
Repeated intense distress or severe tantrums about separation, constant worry about losing a parent to illness or disaster, fear that being lost or kidnapped will cause separation, refusing to be away from home, home alone, or asleep without a parent nearby, repeated separation nightmares, and headaches or stomachaches around separations [1].
At what age does it start?
It can be identified as early as preschool age. It most often begins in childhood and may continue into the teenage years and sometimes adulthood [1].
What causes it?
Sometimes it is triggered by life stress that results in separation from a loved one, divorce, changing schools, moving, or a loved one's death. Genetics may also play a role [1].
Will it go away on its own?
Usually not. Without treatment, separation anxiety disorder can persist and lead to panic disorder and other anxiety disorders into adulthood, which is why early professional advice matters [1].
How is it diagnosed?
A pediatrician first rules out medical conditions, then typically refers you to a mental health professional with expertise in childhood anxiety disorders, who conducts a psychological evaluation, a structured interview about thoughts, feelings, and behavior with parent and child, together and separately [2].
What is the first-line treatment?
Psychotherapy, usually cognitive behavioral therapy with exposure treatment, in which the child learns to face and manage fears of separation while parents learn to support and encourage age-appropriate independence. Medicine such as an SSRI may be added for older children and adults when symptoms are severe and therapy alone is not working [2].
References
Additional references consulted:
American Psychiatric Association. Separation anxiety disorder. In: Diagnostic and Statistical Manual of Mental Disorders (DSM-5-TR). 5th ed.; 2022.
Patel AK, et al. Separation anxiety disorder. JAMA. 2021. doi:10.1001/jama/2021.17269
Mohammadi MR, et al. Prevalence, comorbidity and predictor of separation anxiety disorder in children and adolescents. Psychiatric Quarterly. 2020. doi:10.1007/s11126-020-09778-7
Merck Manual Professional Version: Separation anxiety disorder
American Academy of Child and Adolescent Psychiatry: Anxiety and children
Alvarez E, et al. Psychotherapy for anxiety disorders in children and adolescents. UpToDate.
Glazier Leonte K, et al. Pharmacotherapy for anxiety disorders in children and adolescents. UpToDate.
Source references:
Separation anxiety disorder — Symptoms & causes (updated June 12, 2024)
Separation anxiety disorder — Diagnosis & treatment (updated June 12, 2024)
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