Hidden Symptoms of Perimenopause: The Ones Often Missed

Menopause
By
Anna Evans
March 16, 2026
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7
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early perimenopause symptoms

The symptoms that rarely get linked to perimenopause, and what else to rule out

Most perimenopause guides start with hot flashes, night sweats and irregular periods. This one covers the symptoms that tend to get missed, because they turn up somewhere unexpected: a racing heart, a stiff shoulder, gritty eyes, a burning mouth. Each one tends to be taken to a different specialist, and routine tests often come back normal, so the hormone link is easy to miss.

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Hidden perimenopause signs check

Tick the changes you have noticed to see what this article says about each one.

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If you are looking for something else, these guides cover it: all 34 symptoms of perimenopause, the first signs of perimenopause, and how perimenopause differs from menopause.

What is perimenopause?

Perimenopause is the stage before menopause when hormones begin to change.

Menopause is officially defined as going 12 months without a menstrual period, but the transition leading up to it, called perimenopause, can start 8 to 10 years earlier.

Where perimenopause sits in the timeline

Reproductive years
Regular cycles
Perimenopause
Can start 8 to 10 years before menopause; lasts about 4 years on average, up to 8
Menopause
A single point, confirmed after 12 months without a period
Postmenopause
The years after that point

Figures as stated in this article. Perimenopause is the transition, not the end point, which is why symptoms can appear years before periods stop.

Symptoms usually start in the mid-40s, though they can begin earlier, and timing varies for each woman.

During this transition, hormones such as:

  • estrogen
  • progesterone
  • testosterone
  • cortisol
  • insulin

begin to fluctuate. These changes can influence metabolism, mood, sleep, and overall well-being.

Symptoms often appear slowly, and lab tests may still look normal. Because of this, early perimenopause is often missed.

The symptoms most often missed, and what else to rule out

These are the perimenopause symptoms women search for most that rarely get connected to hormones. For each one, the table shows how common it is, where it often gets taken first, and what else is worth ruling out, since each can have other causes.

SymptomHow common, and the link to perimenopauseWhere it often gets taken firstWhat else gets checked
Heart palpitationsIn the SWAN study of 3,276 women, 15.9% fell into a group with a high likelihood of palpitations in perimenopause and early postmenopause, and 34.3% into a moderate one. The palpitations were not linked to early signs of heart disease (Carpenter et al., 2023).A cardiologist or the emergency roomThyroid function, anemia, caffeine and alcohol. Get emergency care for chest pain, fainting or trouble breathing (Cleveland Clinic).
Joint and muscle achesA 2020 meta-analysis of 16 studies put musculoskeletal pain at 71% of perimenopausal women, with higher odds than before the transition (Lu et al., 2020).A primary care doctor, rheumatologist or physical therapistInflammatory arthritis, thyroid function and vitamin D.
Frozen shoulderFrozen shoulder typically affects women aged 40 to 60, the same years as the transition. Whether hormones drive it is still being studied (Reinke et al., 2026).An orthopedist or physical therapistBlood sugar and thyroid function, plus a shoulder examination.
Dry, gritty eyesDry eye is more common in women, and the international TFOS DEWS II report attributes much of that gap to sex hormones such as estrogens and androgens (Sullivan et al., 2017).An eye doctorAutoimmune conditions, medicines that dry the eyes, and screen time.
Burning mouthBurning mouth syndrome mainly affects women, particularly after menopause, when 18% to 33% may have it (Zakrzewska and Buchanan, 2016).A dentistIron and B12 levels, dry mouth from medicines, and oral infections.
Longer or heavier periodsIn SWAN's daily menstrual calendars, 77.7% of women had at least three periods lasting 10 days or more during the transition, and 34.5% had at least three runs of 3 or more days of heavy bleeding (Paramsothy et al., 2014).A gynecologist, often treated as a period problem on its ownFibroids and polyps, and iron levels if you feel run down.

The third column is the pattern behind the word "hidden": six symptoms, six different specialists, and nobody looking at them together. Two more of the less obvious ones have their own guides: itchy skin and hair loss.

Interactive tool

Hidden perimenopause signs check

Tick the changes you have noticed to see what this article says about each one.

Why routine checks miss the connection

Routine medical checkups typically include a basic blood panel: thyroid-stimulating hormone (TSH), cholesterol and fasting glucose. These markers are important for health, but they may not fully show the hormone changes that happen during perimenopause.

That is expected. Cleveland Clinic notes that hormone testing isn't necessary to diagnose perimenopause, because hormone levels fluctuate so much that the tests aren't reliable. Diagnosis rests on your age, your symptoms and changes in your cycle. Testing still earns its place: it rules out other causes such as thyroid disease or low iron, and it helps guide your care.

That is why a written record helps so much. When the palpitations, the aching joints and the longer periods are all on one page, the pattern is far easier to see.

The familiar symptoms, in brief

The better-known symptoms still matter, and they often arrive alongside the hidden ones. In short:

Our guide to 34 symptoms of perimenopause covers each of these in full.

Hormonal changes that often occur during perimenopause

Every woman's hormone pattern is different. However, some common changes include:

Rising insulin levels

Even when blood sugar appears normal, insulin sensitivity can fall during the transition (Carr, 2003). This can affect weight regulation.

Shifts in cortisol

Cortisol supports energy levels, stress response, and sleep patterns. In some women it rises during the late transition (Woods et al., 2009), which may contribute to fatigue or sleep disruption.

Gradual changes in testosterone

Testosterone supports muscle strength, mood stability, and libido in women. It tends to stay steadier in early perimenopause than estrogen and progesterone, so changes here are usually gradual (Santoro et al., 2008).

Estrogen-progesterone imbalance

Estrogen may fluctuate while progesterone gradually declines, which can influence mood, sleep, and fluid retention.

Save this tracker

Track it for two or three cycles

A few weeks of notes tells your clinician more than a single appointment can. For each symptom you notice, write down:

  • ☐ The date, and the day of your cycle (day 1 is the first day of bleeding)
  • ☐ How strong it was, from 1 to 10
  • ☐ How long it lasted, and what time of day
  • ☐ Anything that may have set it off: caffeine, alcohol, a poor night, stress
  • ☐ For bleeding: how many days, and whether it was heavier than your usual

Symptoms to watch: palpitations, joint or muscle aches, shoulder stiffness, dry eyes, a burning mouth, and changes to your periods. Bring the notes to your appointment.

When to see someone

Consider speaking with a qualified healthcare professional if you notice:

  • palpitations, especially if they are new or frequent
  • joint pain or shoulder stiffness without an injury
  • periods that are much longer, heavier or closer together than your usual
  • persistent fatigue, sleep problems or new anxiety

Early evaluation can rule out other medical conditions and identify what will help. Support can include healthy habits, nutrition, or hormone treatment, and what works best varies from person to person.

Frequently asked questions about perimenopause

At what age does perimenopause usually begin?

Most women begin perimenopause in their mid-40s, though it can start earlier, sometimes in the late 30s.

How long does perimenopause last?

About four years on average, and it can last up to eight, according to Cleveland Clinic. It ends at menopause, confirmed after 12 months without a period.

Can you be in perimenopause with regular periods?

Yes, early on. STRAW+10, the staging system researchers use, says the first sign is often subtle: cycles that get shorter. The early transition is defined by cycle lengths that differ by 7 days or more from one cycle to the next, again and again. So periods that still arrive fairly regularly, but a few days sooner than they used to, can be an early sign.

Can perimenopause cause heart palpitations?

It can. In the SWAN study, 15.9% of women fell into a group with a high likelihood of palpitations during perimenopause and early postmenopause, and 34.3% into a moderate one. They were not linked to early signs of heart disease. They are still worth mentioning to your provider so thyroid function and anemia can be checked. Get emergency care if palpitations come with chest pain, fainting or trouble breathing.

Can perimenopause cause anxiety?

Hormonal fluctuations, particularly changes in progesterone and estrogen, may influence mood and anxiety levels in some women.

Is weight gain common during perimenopause?

Hormonal and metabolic changes can affect fat distribution and weight regulation, particularly around the abdomen.

Should hormone levels be tested during perimenopause?

You don't need a hormone test to be diagnosed, because levels swing too much from day to day to be reliable. Your provider may still test thyroid function, iron, blood sugar or hormones to rule out other causes and to plan your care, depending on your symptoms and history.

Getting support

Perimenopause is a natural transition, but that does not mean you have to put up with symptoms nobody has connected. At Interlinked Wellness, Anna looks at the whole picture of hormone changes and perimenopause symptoms, not one symptom at a time. If this article sounds like you, get in touch to talk it through.

About the author

Anna Evans, MSN, APRN, FNP-C, founder of Interlinked Wellness

Anna Evans  MSN, APRN, FNP-C

Founder, Interlinked Wellness

Anna Evans, MSN, APRN, FNP-C is a board-certified Family Nurse Practitioner licensed in Texas. She founded Interlinked Wellness, a virtual functional medicine practice serving women across Texas from offices in Dallas and Austin. Her clinical focus is perimenopause, hormone imbalance, gut health, thyroid and autoimmune conditions, and chronic fatigue.

More about Anna  ·  Schedule a consultation  ·  LinkedIn  ·  Instagram

Medical disclaimer. The information on this page is provided for general education and is not individualized medical advice. At Interlinked Wellness, Anna Evans, MSN, APRN, FNP-C, provides personalized care based on your health history, symptoms, concerns, and goals. An individual consultation allows Anna to evaluate your specific situation and recommend an appropriate approach to care. Reading this page alone does not establish a patient-provider relationship. If you are experiencing a medical emergency, call 911 or your local emergency services.

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References

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