Three conditions that blur together
You cannot concentrate at work, your mind jumps from thing to thing, you are always behind, and you lie awake replaying what you forgot. That could describe anxiety, depression or ADHD, or a mix.
NIMH notes that ADHD often co-occurs with other conditions, including sleep problems, anxiety and depression, and that this can make each harder to diagnose and treat. MedlinePlus lists anxiety, depression, sleep problems and some learning disabilities among the conditions with symptoms similar to ADHD that an evaluation should rule out.
What ADHD looks like in adults
NIMH describes ADHD as a persistent pattern of inattention and/or hyperactivity and impulsivity that makes it hard to function in at least two areas of life, such as home and work. In adults it can show up as:
- Getting distracted easily, losing things, forgetting daily tasks
- Disorganization, procrastination and poor time management
- Trouble focusing on large tasks or finishing projects
- Interrupting others or talking a lot
- Restlessness and a need for constant activity or stimulation
- Choosing an immediate reward over a later one
Everyone does these things sometimes. NIMH notes that in adults with ADHD they are more severe, frequent and persistent, occur across situations, and last at least six months. Hyperactivity often fades with age while inattention tends to persist, so an adult with ADHD may look more scattered than hyper.
How the overlap happens
When ADHD feeds anxiety and low mood
NIMH notes that adults with ADHD often have a history of work problems, strained relationships and struggles with daily tasks. Years of missed deadlines, last-minute scrambles and being told you are not trying can leave a person on constant alert for the next mistake, which can look and feel like anxiety. Repeated setbacks and self-criticism can wear mood down.
When anxiety or depression look like ADHD
The overlap runs the other way too. NIMH lists difficulty concentrating, remembering or making decisions among the symptoms of depression, and a hard time concentrating among the symptoms of generalized anxiety disorder. A mind busy with worry has little room for focus. Depression can slow thinking and sap motivation until even simple tasks feel impossible.
Sleep sits in the middle
NIMH notes that sleep problems affect up to 70% of adults with ADHD. Poor sleep worsens attention, irritability and mood, which can make all three conditions look worse. Sleep, Insomnia and Mood: How They Feed Each Other covers that loop.
One clue: when it started
Timing is one of the most useful questions. NIMH explains that ADHD is a developmental disorder: to be diagnosed as an adult, you must have shown symptoms before age 12, even if no one named them then. By contrast, NIMH notes that depression can affect people at any age, so low mood that began in adulthood points in a different direction.
- Have focus and organization been hard for as long as you can remember, or did they change at a certain point?
- Do the problems ease when your mood is good, or stay about the same?
- Are you distracted mainly by worries, or by everything around you?
These questions do not settle anything on their own. They are useful to think about before an evaluation.
Why adults get missed
NIMH gives several reasons ADHD may not be diagnosed until adulthood. Teachers and parents may not have recognized it, a supportive environment may have helped someone get by, or a milder form may have been manageable until the demands of adult life, especially work, increased. NIMH notes that symptoms in girls and women are especially likely to have been missed in childhood. It is never too late to seek an evaluation.
Some adults first seek help for anxiety or depression and only later wonder about ADHD. Others are diagnosed with ADHD and find that anxiety or low mood remain once attention improves. Both paths are common.
Partners often notice the overlap first: the forgotten errands, the lost keys, the irritability at the end of a long day. Naming ADHD, anxiety or depression can shift arguments away from blame and toward what each of you needs.
What an evaluation involves
NIMH describes an adult ADHD evaluation as more than a checklist. A clinician may:
- Interview you about current symptoms and your childhood
- Ask to speak with a partner, family member or friend who knows you well
- Review old school reports or records
- Use rating scales or symptom checklists
- Give psychological tests of memory, planning and reasoning
- Ask about mood and medical conditions to rule out other explanations
Before booking, ask whether the clinician offers adult ADHD evaluations, what the process includes, and whether it also screens for anxiety and depression. Not every therapist or prescriber does formal ADHD testing. For an explanation of who does what in Michigan, see Psychologist, Psychiatrist or Counselor? Who Treats Anxiety and Depression in Michigan.
Treating more than one thing
NIMH lists medication, usually stimulants, and psychotherapy as the most common treatments for adult ADHD, and notes that effective treatment often combines elements. Medication decisions, including how ADHD medicine fits with any treatment for anxiety or depression, belong with your prescriber; talk with them before changing anything.
Therapy can address the anxiety and low mood that often come with ADHD, the shame of years of struggling, and the strain on relationships. Dr. Lehmann, a licensed clinical psychologist in Franklin, offers anxiety therapy and depression therapy for adults, in person or by telehealth for clients located in Michigan. Ask her office directly whether ADHD evaluation is part of what she offers.