Hormones
Your body changed, and you want to know why. Sleep disruption, mood shifts, brain fog, hair changes. Standard labs often miss the subtle hormonal patterns that explain how you're feeling.
Hormones covers the signaling systems that set how a person feels from day to day: the thyroid, the sex hormones in women and in men, including the years of perimenopause and menopause, cortisol, insulin, and the ways each of these adjusts the others. The people who arrive here have noticed that something changed. Sleep that used to be reliable is not, mood has a shorter fuse, the cycle has become irregular, hair is thinning, the midsection is thicker, the word they want goes missing in a meeting, and a hot flash has started interrupting the night. Many have been told that their hormone levels are normal, that these are separate problems for separate appointments, or that it is a phase to wait out. The symptoms are real and they are connected, because hormones rarely change one at a time.
A thorough hormonal workup begins with the timeline, because the order in which symptoms appeared usually says which hormone shifted first, and with the cycle, because a sex hormone drawn on the wrong day says very little. It then tests systems rather than single values: the full thyroid panel with the active hormone and antibodies; estradiol, progesterone and FSH timed to the cycle; testosterone with the protein that binds it; cortisol across the day; fasting insulin; and iron stores and vitamin D, since low iron and blood sugar problems mimic and worsen hormonal symptoms. The physician reads those results against the history and against each other, repeats a draw when a single number is carrying too much weight, and sequences treatment so the hormone driving the pattern is addressed first, with hormone therapy weighed on symptoms, history and individual risk rather than on a single result.
Quick answers
Hormonal symptoms tend to arrive as a cluster rather than one at a time, and they tend to follow a timeline. Sleep that breaks in the early hours, new anxiety or irritability, cycle changes, night sweats, joint aches, hair thinning, weight settling at the waist and lapses in word-finding appearing together and building over time is the classic shape of perimenopause; tiredness with feeling cold, dry skin, constipation and weight gain points at the thyroid; a wired-but-tired pattern with broken sleep points at cortisol. The pattern is the clue, and the workup confirms or corrects it.
The two overlap heavily, and they often coexist in the same years. Fatigue, weight gain, low mood, poor sleep, hair thinning and irregular cycles belong to both; feeling cold, constipation, dry skin, a slow pulse and puffiness around the face lean toward the thyroid, while night sweats, hot flashes, changes in cycle length and vaginal dryness lean toward the reproductive transition. A full thyroid panel with antibodies alongside cycle-timed sex hormones is how they are told apart, and it is common to find both.
For many women with symptoms who begin within the years around menopause, hormone therapy is considered an appropriate option; the alarm that surrounded it for years came from a large trial whose findings were later qualified by the age of the women studied, the timing of treatment and the formulation used. It is not right for everyone: a personal history of breast cancer, blood clots or certain other conditions changes the calculation, and the decision rests on symptoms, history and individual risk rather than on a lab value. Non-hormonal options exist for women who cannot use it or would rather not.
Several kinds do, and the right one depends on the question. Gynecologists and clinicians with a focus on menopause manage the reproductive transition; endocrinologists take confirmed thyroid, pituitary and adrenal disease; an internal medicine or family physician is well placed when the symptoms cross systems, because thyroid, sex hormones, cortisol, insulin and iron can be read together in a single workup. Whoever leads, the useful questions are whether every test has a reason, whether the results are read against the person's history, and who takes responsibility for the plan between visits.
More in Hormones
Hormones
Perimenopause typically begins in the mid-30s, often a decade before the final period, and lasts 4 to 10 years. It's not random aging. It's an identifiable, treatable hormonal change.
Hormones
Roughly 4 to 7% of adults have undiagnosed hypothyroidism, and four out of five of those cases are subclinical. A complete thyroid workup catches what TSH alone misses.
Hormones
Hair and skin are visible windows into internal physiology. Changes are rarely cosmetic-only. The pattern of thinning often points directly toward what's wrong upstream.
Hormones
Hormonal weight gain follows recognizable patterns. Where the weight sits, when it appeared, and what other symptoms came with it reveal which system is dominant.
Hormones
Perimenopause is treated by gynecologists, by internal medicine and family physicians, and by clinicians who have added specific menopause training. What each does, what a good first visit covers, how treatment decisions are made, and four things worth checking in any physician.
Hormones
A single low testosterone result is a starting point, not a diagnosis. The draw is repeated early in the morning and fasting, free testosterone and SHBG are read alongside it, and a physician looks for the cause before any treatment decision.
In-depth guides
Each guide is a full page on a single pattern: what is happening, what else it can be, and what a workup looks at.
About the Author
Board-certified internal medicine physician and founder of Extend Medical. She founded Extend Medical to practice the kind of medicine she believes patients deserve: thorough, personalized, and built on deep investigation rather than quick fixes.
Learn more about Dr. Paul→If you're tired of being told "everything looks normal" when it doesn't feel normal, start with an inquiry. I review every one personally.
