Coping with Menopause Symptoms - Practical Solutions for Hot Flashes, Insomnia, and Irritability
Why Menopause Symptoms Happen - The Chain Reaction of Falling Estrogen
The root cause of menopause symptoms is the rapid decline in estrogen that follows the loss of ovarian function. The average age of menopause among Japanese women is around 50.5, and the five years on either side of it, roughly ages 45 to 55, make up the menopausal transition. Individual variation is wide, however: some women see symptoms begin around age 40, while others are barely affected past 55.
Estrogen is involved not only in reproduction but in functions throughout the body, including the temperature control center of the brain, neurotransmitters such as serotonin and noradrenaline, bone metabolism, lipid metabolism, and the elasticity of blood vessels. When this hormone falls rapidly, every system in the body is forced to recalibrate. Menopause symptoms are the temporary state of poor adaptation that arises during that recalibration.
The Main Symptoms and How They Work
Hot Flashes - A Misfiring Temperature Control Center
The most common menopausal symptom is the hot flash: sudden sweating, heat in the face and upper body, and palpitations that last a few minutes. It happens because the fall in estrogen leaves the temperature control center in the hypothalamus oversensitive. Normally the range of body temperature that passes without a response (the thermoneutral zone) spans about 0.4 degrees Celsius, but during the menopausal transition this band narrows sharply, so even a slight rise in temperature is misread as "too hot" and triggers sweating and blood vessel dilation.
Insomnia - Several Causes Tangled Together
Menopausal insomnia is not a simple matter. Night-time waking from hot flashes, changes in melatonin secretion that follow the fall in estrogen, declining progesterone (which promotes sleep), and psychological stress all act together. Around 40 to 60 percent of women around the time of menopause are said to experience some form of sleep disturbance, roughly twice the rate seen before menopause.
Mood Swings - Effects on the Serotonin System
Psychological symptoms such as irritability, anxiety, and low mood are also directly linked to falling estrogen. Estrogen increases the synthesis of serotonin and the sensitivity of its receptors, so a decline leaves the serotonin system working less well. This means that depressive symptoms in the menopausal transition arise through a different mechanism from that of depression in general. It is why there are cases that do not improve with antidepressants alone.
HRT (Hormone Replacement Therapy) - Understanding the Benefits and Risks Correctly
What HRT Achieves
HRT is a treatment that supplies estrogen from outside the body, and it is the most effective treatment available for menopausal symptoms. It is reported to relieve 80 to 90 percent of hot flashes and to help with insomnia, vaginal dryness, and loss of bone density as well. It can be given orally, as a patch, or as a gel, and for women who still have a uterus, combining estrogen with a progestogen is essential.
What the Risks Actually Look Like
Ever since the Women's Health Initiative (WHI) study of 2002 reported a link between HRT and breast cancer risk, fear of HRT has been widespread. Later reanalysis has made clear, however, that when treatment starts within 10 years of menopause and before age 60, the increase in breast cancer risk is very small, adding fewer than one case per 1,000 women per year. Meanwhile the risks of cardiovascular disease and osteoporosis fall. What matters is deciding in consultation with a gynecologist, taking into account when you start and what your personal risk factors are.
Kampo Herbal Medicine as an Option - Prescribing to Fit the Constitution
For women who are wary of HRT, or whose constitution makes HRT unsuitable, Kampo herbal medicine is a strong option. Three formulas are used most often for menopausal symptoms. Tokishakuyakusan suits people of the "deficient" constitution who feel the cold, tire easily, and tend to retain fluid. Kamishoyosan is prescribed for people with marked irritability and anxiety along with stiff shoulders and flushing. Keishibukuryogan fits people of the "excess" constitution in whom flushing and cold sensitivity coexist alongside strong headaches and shoulder stiffness.
How well a Kampo formula works depends heavily on how closely it matches your constitution, known as the "sho." Rather than choosing an over-the-counter product on your own judgment, you are more likely to feel a real effect if you see a doctor well versed in Kampo and have the formula prescribed. Effects often take two to four weeks to appear, so it is important not to expect too much too soon.
Concrete Ways to Ease Symptoms Through Daily Habits
Exercise - Moderate Aerobic Activity Is the Foundation
At least 150 minutes a week of moderate aerobic exercise (brisk walking, swimming, cycling) helps put your physical and mental condition on a steadier footing through the menopausal transition. Exercise encourages the release of endorphins and so contributes to better mood, and it also supports sleep quality and the health of blood vessels and bones. How much it helps with hot flashes themselves varies from person to person, but it is worth building in as a way of steadying the foundations of daily life. Note that vigorous exercise can trigger hot flashes instead, so keep the intensity at a level that does not push your heart rate too high.
Diet - Estrogen-Like Compounds and Nutrients
The isoflavones in soy are phytoestrogens that bind weakly to estrogen receptors. There is research suggesting that an intake of 40 to 80 mg of isoflavones a day (a block of tofu contains around 50 mg) is effective at easing hot flashes. The effect varies widely between individuals, though, and is greater in people whose gut bacteria can convert isoflavones into equol, which applies to about half of Japanese people. Calcium (at least 800 mg a day) and vitamin D (800 to 1,000 IU a day) are indispensable for maintaining bone density.
Optimizing the Sleep Environment
Keep the bedroom at 18 to 20 degrees Celsius and use bedding that wicks moisture and dries quickly. Having a cooling sheet or a fan within reach of your pillow for the times a hot flash wakes you shortens how long you stay awake. Caffeine and alcohol before bed make hot flashes worse, so avoid them from the evening onward.
How to Approach Each Stage
If pre-menopausal symptoms start in your early forties, begin by having your hormone levels (FSH and estradiol) measured at a gynecology clinic to see where your ovarian function stands. At this stage the main symptom is an irregular menstrual cycle, and it can often be handled with changes to daily habits alone. During the menopausal transition proper, between ages 45 and 55, consider introducing HRT or Kampo according to how strong the symptoms are. There is no need to simply endure them. From 55 onward symptoms usually settle, but the risks of falling bone density and lipid disorders rise, which makes regular health checks important.
Getting Your Partner and Family to Understand
Menopause symptoms are hard to see from the outside, which makes them hard for those around you to understand. It is not unusual to be dismissed as imagining it or as being lazy. The first step is to describe the symptoms concretely. Explain the actual situation: "My body suddenly gets hot and the sweating will not stop," or "I wake several times in the night and I am chronically short of sleep." Bringing your partner along to the gynecology appointment is also effective, because hearing it directly from a doctor deepens their understanding.
When to See a Doctor and How to Choose a Specialist
If your daily life is being affected, see a gynecologist without hesitating. Concretely, hot flashes several times a day, insomnia lasting two weeks or more, or low mood that keeps you from work or housework are the signs to go by. To find a doctor well versed in menopause, the list of certified physicians from the Japan Society for Menopause and Women's Health is a useful reference. A doctor who can handle both HRT and Kampo lets you weigh a wider range of options. Reading a good guide to menopause before your appointment to organize the overall picture of your symptoms makes it easier to convey the key points in the limited time available.