Bandai Choi
Clinical Psychologist | Board-approved supervisor
Breathe-n-Smile Psychology, Essendon North, Footscray and telehealth
If attention, memory, sleep and mood change around midlife, could ADHD, perimenopause or both be part of the picture? ADHD and perimenopause are not always an either-or question. Both can affect attention, memory, sleep and mood, but ADHD-related patterns usually trace back to childhood while perimenopausal changes are more recent. A careful timeline, health review and assessment can help distinguish overlapping or co-occurring factors.
TL;DR
- ADHD or perimenopause is not always an either-or question. Both may affect attention, memory, sleep and emotional regulation.
- ADHD has roots in childhood. Perimenopausal changes are newer and occur around a hormonal transition.
- A timeline often tells clinicians more than a single symptom checklist.
- A GP or menopause clinician can assess physical and hormonal factors. An ADHD clinician can examine the lifelong pattern.
Perhaps you used to keep life running with lists, routines and a lot of effort. Now names disappear mid-sentence, unfinished tasks multiply and your usual systems feel less reliable. Is it ADHD or perimenopause?
The honest answer may be one, the other, both, or something else affecting concentration. Similar symptoms can come from different processes, so the most useful question is often: what has been present for years, and what changed recently?
How do ADHD or perimenopause symptoms overlap?
Plain answer: Both may involve forgetfulness, poor concentration, sleep disruption, emotional changes and difficulty organising daily life. Symptoms alone may not show which process is involved.
Clues from earlier life
- Daydreaming or missing instructions at school
- Long-term time blindness or losing things
- Deadline-driven work and task initiation problems
- Similar difficulties across several life stages
Clues from a newer change
- Noticeable decline from your previous baseline
- Changes alongside periods, hot flushes or night sweats
- New sleep disruption or mood changes
- Symptoms that vary with the menopausal transition
These are conversation prompts, not a diagnostic test. A person with ADHD may experience a recent worsening during perimenopause. Someone without ADHD may also develop cognitive complaints during this stage.
Why does the timeline matter?
When making sense of ADHD or perimenopause, the timeline matters. ADHD is a neurodevelopmental condition. An adult diagnosis therefore requires evidence that several features were present in childhood, even if nobody recognised them at the time. Perimenopause does not create ADHD, but it may reduce the spare capacity that previously helped someone compensate.
Think of it like two radio signals that can play through the same speaker. The sound may be similar, but one signal has been present quietly for years while another became stronger more recently. A careful assessment tries to separate the signals by looking at timing, context and the pattern across settings.
A useful distinction: “I have always needed pressure to start, but it has become much harder this year” gives more information than “I cannot focus.”
If the earlier-life pattern sounds familiar, the article on why ADHD in women may be missed explores how compensation can hide the personal cost.
What does recent research say?
2025 cohort: 535 women with ADHD
Greater symptom burden was reported
A population-based study found that women with ADHD reported more severe perimenopausal symptoms than women without ADHD. The authors also reported an earlier peak in symptom severity.[1] This shows an association. It does not prove that hormones affect every person with ADHD in the same way.
2025 systematic review: 11 studies
The evidence is still limited
A review of ADHD and sex hormones found only 11 eligible studies. The researchers concluded that hormonal transitions may influence ADHD symptoms, while also calling for better studies.[2] In practical terms, the topic deserves attention, but current research cannot provide a simple formula for diagnosis or treatment.
The Australasian Menopause Society notes that memory and concentration concerns are common during perimenopause. Sleep disturbance, mood symptoms and vasomotor symptoms can all affect cognitive functioning.[3]
What else can affect focus in midlife?
ADHD and perimenopause are only part of the picture. A clinician may also consider anxiety, depression, trauma, burnout, medication effects, alcohol or other substance use, sleep disorders, iron deficiency, thyroid problems and other health conditions.
This is why a broad assessment matters. It avoids treating every new difficulty as ADHD, while also avoiding the opposite mistake of dismissing a lifelong ADHD pattern as “just hormones.”
What can you track before an appointment?
Try a short four-week record
- Attention: forgetting, losing track, task initiation and mental fatigue.
- Timing: what is lifelong, what is new and whether symptoms fluctuate.
- Body and sleep: menstrual changes, hot flushes, night sweats and sleep quality.
- Context: workload, caregiving, stress, mood, medication changes and physical health.
You do not need perfect data. A few concrete examples can help a GP, menopause clinician, psychologist or ADHD prescriber see the pattern more clearly. If you are considering formal assessment, read the adult ADHD assessment overview before booking.
Common questions about ADHD and perimenopause
Can perimenopause cause ADHD?
No. ADHD begins in childhood. Perimenopause may create overlapping cognitive symptoms or make an existing ADHD pattern harder to compensate for.
Can ADHD symptoms feel worse during perimenopause?
Some women report this, and recent research suggests an association. However, evidence is still developing and personal experiences vary.
How is perimenopausal brain fog different from ADHD?
They can feel similar. Clinicians look at childhood history, when the change began, symptom fluctuations, sleep, mood and physical health rather than relying on one symptom.
Should I change ADHD medication during perimenopause?
Do not change prescribed medication based on an article. Discuss changes in benefits, side effects, sleep and menopause symptoms with your prescriber and GP or menopause clinician.
You may also be interested in
- why ADHD in women may be missed Read this related guide for a fuller explanation of why ADHD in women may be missed.
- the adult ADHD assessment overview Read this related guide for a fuller explanation of the adult ADHD assessment overview.
Trying to separate ADHD or perimenopause?
An adult ADHD assessment can examine developmental history, current functioning and other possible explanations. Questions about menopause or physical health should also be discussed with an appropriate medical clinician.
Ask about assessmentReferences
- Dorani F, et al. Perimenopausal symptoms in women with and without ADHD: a population-based cohort study. European Psychiatry. 2025.
- Scharf M, et al. ADHD and sex hormones in females: a systematic review. 2025.
- Australasian Menopause Society. Oestrogen and cognition in the perimenopause and menopause. Accessed July 2026.
- Australian ADHD Professionals Association. Australian ADHD Clinical Practice Guideline: Diagnosis. Accessed July 2026.