Why Do I Feel Like I’m Not Myself During Perimenopause
“I don’t feel like myself” can be one of the hardest parts of perimenopause to explain.
“I don’t feel like myself” can be one of the hardest parts of perimenopause to explain.
You may still be doing the same job, living with the same people and managing the same responsibilities, yet feel less patient, less confident, more emotional, more anxious or mentally slower than before.
That experience deserves to be taken seriously even when it is difficult to put into medical language.
The change can affect your sense of identity
When qualities you relied on suddenly feel less dependable, it can shake how you see yourself.
Somebody who was organised may start forgetting things. Someone who was calm may feel unusually irritable. A confident person may begin doubting decisions. A previously good sleeper may become exhausted.
It is easy to turn those changes into self-criticism: “What is wrong with me?” or “Why can’t I cope anymore?”
Perimenopause may be one part of the explanation, but struggling does not mean your personality has suddenly failed.
Brain fog can make confidence fall quickly
Memory and concentration problems are recognised menopause symptoms.
For somebody managing meetings, family arrangements, appointments or a busy workload, small lapses can feel disproportionately frightening.
You may begin checking yourself repeatedly, avoiding speaking up or worrying that other people have noticed.
The practical difficulty and the loss of confidence can then reinforce one another.
Relationships can notice the change before you have words for it
Partners, friends or colleagues may notice that you seem quieter, more reactive, tired or distracted.
That can create misunderstandings, particularly if you do not yet understand what is happening yourself.
You do not need a confirmed diagnosis before saying, “I’ve noticed some changes and I’m trying to understand them.”
Explaining uncertainty can be more helpful than pretending everything is fine.
Try separating the experience from the judgement
Instead of “I’m becoming useless”, try identifying the actual change: “I’m losing my train of thought more often,” or “I’m much more easily overwhelmed when I haven’t slept.”
That gives you something concrete to work with and something useful to describe to your GP.
It can also help you make temporary adjustments without deciding that the change defines who you are.
You are allowed to ask for help before things become unbearable
NICE describes menopause as a life transition whose symptoms can range from minor to severe and can last for different lengths of time.
You do not have to wait until work, relationships or mental health have deteriorated significantly before seeking advice.
If the change in how you feel is persistent or troubling, speak to your GP. A conversation can consider menopause alongside other physical or mental-health explanations rather than forcing you to choose one yourself.
Last reviewed
6 September 2026
Important menopause and mental health information
This guide provides general information only and is not a diagnosis or a substitute for professional medical or mental-health advice. Symptoms associated with perimenopause and menopause can overlap with other physical and mental-health conditions, and individual experiences can be very different.
If you think you may be experiencing perimenopause or menopause, if symptoms are affecting your everyday life, or if you are unsure what is causing a change in your physical or mental health, speak to your GP or another appropriately qualified healthcare professional.
Do not start, stop or change prescribed medication or hormone treatment based on information in this guide. Treatment decisions, including whether HRT or another treatment may be appropriate, should be discussed with an appropriately qualified healthcare professional.
If you or somebody else is in immediate danger or there is a life-threatening emergency, call 999 or go to A&E. If you are experiencing a mental health crisis and need urgent help but it is not a life-threatening emergency, contact NHS 111 and select the mental health option, or use your local NHS urgent mental health service.