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Hot Flashes and Night Sweats

Hot Flashes and Night Sweats of Menopause

Helene Leonetti M.D. performed a double blind study in presented in Obstetrics and Gynecology 1999 that menopausal symptoms such as hot flashes were reduced by progesterone cream in 83% of women as compared to 19% of women using a placebo. A Norwegian study in the Journal Maturitas found that low testosterone, and DHEA levels were associated with hot flashes, but high levels of these hormones protected against hot flashes. Progesterone was not measured in the Maturitas study.

Dr. Graham Colditz professor at Harvard medical school at talk in San Francisco in February 1994 for the American Association for the advancement of science showed the following graph:[1]

Group A represents the group of women before the age of 35. Group B represents a group of women after the age of 35, estradiol levels only drop 15%. The 85% of the was estrogen is still present. Progesterone levels drop to very low levels. Progesterone drops to very low levels in anovulatory and menopausal conditions. Group C represents a group of women in menopause estradiol production decreases to 40% to 60% of normal. Progesterone levels are still at very low levels.

progesterone-vs-estradiol-vs-age.jpg

Group A - Women before the age of 35

Group B - Women aged 35-50

Group C - Women after 50 after menopause

Around the age of 45 to 50, estradiol levels decrease. When estradiol levels decreases below the levels necessary to maintain uterine thickening, the menstrual flow becomes less and irregular and eventually stops. This is menopause.

Table Of Contents

 

1. Hot Flashes and Night Sweats of Menopause

2. How Does Menopause Work?

3. To Summarize the Body’s Feedback Mechanism for Menopause

4. Stress Depletes Progesterone Produced by the Adrenal Cortex Because the Progesterone is Used to Produce Corticosteroids - Stress Uses Up Corticosteroids

5. What to do for the Night Sweats and Hot Flashes, the Symptoms of Menopause

6. Experimental Studies in Detail

Real Unpaid Patient talks about Progesterone relieving Menopause symptoms of hot flashes and nightsweats. Heavy Periods and Irregular Periods are also treated.

 

How Does Menopause Work?

The hallmark of menopausal symptoms is hot flashes. The hypothalamus below the brain looks at estradiol and progesterone levels. When estradiol and hotflash.jpgprogesterone levels fall, the hypothalamus produces GnRH (gonadatropin releasing hormone), and tells the pituitary gland to make hormones FSH and LH. FSH otherwise known as follicle stimulating hormone tells the follicle to be created on the ovary and tells the follicles to make estradiol. LH otherwise known as luetinizing hormone tells the corpus luteum to make progesterone. The rise of progesterone and estradiol inhibits the
hypothalamus from making more gonadatroping releasing hormone GnRH. Thus, the negative feedback path maintains estradiol and progesterone levels.

At menopause, estradiol levels decrease, and progesterone levels have been low for the previous 10 years. The ovaries have run out of follicles and can no longer provide follicles to release estradiol and progesterone. Thus, FSH and LH, try to stimulate the ovaries, but the ovaries cannot produce any estradiol and progesterone since they don't have any follicles.

When the ovary cannot produce any more estradiol and progesterone, the hypothalamus begins to panic, and begins to release more gonadatropin releasing hormone, GnRH. Both LH and FSH rise, but estradiol and progesterone cannot rise because the ovary is not producing any follicles anymore. The shouting hypothalamus begins affecting areas next to it in the brain. These adjacent areas are called the vasomotor center or the arcuate nucleus of the hypothalamus. The arcuate nucleus of the hypothalamus controls capillary dilation and sweating. It is hypothesized that these women get the hot flashes and night sweats because of the "shouting" GnRH. There may also be mood swings, fatigue, feelings of being cold, and strange responses to stressors. Women may also have symptoms of hypothyroidism despite normal thyroid levels.

To Summarize the Body’s Feedback Mechanism for Menopause:

1. The hypothalamus signals to increase estradiol and progesterone by producing GnRH.

2. Normally, increased estradiol and progesterone decrease GnRH release.

3. After menopause, the ovaries no longer have follicles that make estradiol and progesterone.hotflash3.jpg

4. Decreased estradiol and very little progesterone, stimulates GnRH release.

5. Increased GnRH stimulates the arcuate nucleus of the hypothalamus to create hot flashes and night sweats.

There is another wrinkle in the study of hot flashes and night sweats of menopause. Nonindustrialized cultures don't suffer from menopausal symptoms.

John Lee M.D. believes that mother nature did not make a mistake, we did. He observes that in non-industrialized cultures not subjected to xenoestrogens, progesterone being low is rare indeed. Also he observes that a majority of these women in the cultures have healthy ovaries with healthy follicles producing sufficient progesterone. He believes diets high in vegetables and fruits with all minimum of processed foods makes for healthy follicles. Processed foods lack vitamins. Our modern vegetables and fruits are also grown in deficient soils. [2]

As of 2015, my wife and I have lived xenoestrogen free for 16 years. We eat fruits and vegetables, and hardly have any processed foods. Last year my wife went through menopause. One month, she had a period, and the next month she did not have a period. She had no hot flashes. She had no night sweats. She did not experience any menopausal symptoms. She did not need any progesterone. She did not need any hormones. She was just normal.

Stress Depletes Progesterone Produced by the Adrenal Cortex Because the Progesterone is Used to Produce Corticosteroids - Stress Uses Up Corticosteroids

Stress also seems to play a role in menopausal symptoms. When we lived in Colorado, we went to church and a woman had the symptoms of menopause. I gave her a free bottle of progesterone with instructions to use it to ameliorate the symptoms of menopause. The next time I saw her nightsweats.jpgwas a month later. I asked her if the progesterone had worked. She said she did not use the progesterone at all. She said he that she and her husband took a two week vacation to Maui. The hot flashes stopped. The night sweats stopped. And both the night sweats and the hot flashes never returned. She never used the progesterone.

The adrenal cortex can also make progesterone. However, the adrenal cortex in a stressful life is busy making corticosteroids out of progesterone. Corticosteroids are used for dealing with stress. Because Western women are under so much stress the adrenal cortex is so busy making corticosteroids out of progesterone, there is no progesterone leftover for other functions. John Lee M.D. believes that the adrenal cortex of many women in the Western world are so depleted making progesterone to make the corticosteroids, there is no progesterone leftover to balance out estradiol. He believes that the depletion of corticosteroids is a major factor in the causation of chronic fatigue syndrome. Thus, the reduction of stress can get rid of hot flashes and night sweats of menopause.

John Lee M.D. believes that the menopausal symptoms can be avoided by correcting the relative insufficiency of progesterone. He also advocates good nutrition, toxin avoidance, and exercise. He would usually give topical natural progesterone for the menopausal syptoms of hot flashes and night sweats. His clinical experience is that progesterone supplementation results in the disappearance of facial hair and regrowth of scalp hair. He notes that most active androgen is testosterone. Estrogen decreases testosterone's clearance from the body. However, when progesterone is added, the clearance of testosterone goes up and the androgen effects of facial hair and male pattern baldness reverse.

What to do for the Night Sweats and Hot Flashes, the Symptoms of Menopause

I usually give 20 to 60 mg of topical progesterone to get rid of the symptoms of menopause. I increase the transdermal progesterone until the symptoms of menopause stop. Then, the transdermal progesterone can be slowly tapered off during a period of six months to a year. It is important to remember that it is not the absolute values of progesterone that triggers the vasomotor cortex of the hypothalamus, but it is the relative change that triggers the hypothalamus and GnRH release. That is why it is essential to SLOWLY taper off the progesterone over a period of 6 months to a year. Alternatively, if you want to take progesterone indefinitely, you can take progesterone for three weeks and then have one week holiday. The one week holiday is necessary so that the progesterone receptors do not down regulate to become less sensitive to progesterone. Occasionally, estriol can be added if progesterone is not enough. I usually use 0.5 mg every other day taken along with progesterone. Is important to use estriol only every other day because the half-life excretion rate is long. If you use estriol every day there might be unhealthy buildup of estriol. Some doctors like to add testosterone. But most of the time, estriol and testosterone is not needed. It is more important to avoid xenoestrogens, and other hormone disruptors.  Emotional stress can also be a strong factor.  I had one patient take a 2 week trip to Maui and have all hot flashes and night sweats stop.  She was not even taking progesterone or any other hormone.

Experimental Studies in Detail

 A study by Leonetti in 1999, took 105 women that were in within 5 years of menopause.  They were divided into progesterone treatment groups and placebo groups. 43 women were treated with 20 mg of transdermal progesterone.  47 women were treated with a placebo.  30 of the transdermal progesterone group and 26 of the placebo group complained of hot flushes or hot flashes. 25 of the 30 women, 83%, complaining of hot flashes improved with 20 mg/day of transdermal progesterone. The women recorded their vasomotor symptoms in a diary.  5 of the 26 women, 19%, complaining of hot flashes improved with the placebo cream [3]. 

Another study by Wren used 80 women in a double blind randomized placebo controlled experiment to evaluate topical transdermal progesterone usage in women with menopausal hot flashes [4].  Unfortunately, the progesterone cream that they used contained several other ingredients known to have hormonal effects or endocrine disrupting effects as well.  The cream that they used contained aloe vera, lanolin, black cohosh, mexican wild yam extract, and burdock root as well as many other ingredients.  Aloe vera is used in some cultures to create miscarriage.  I do not agree with this morally.  In some cultures, if you do not want your pregnancy, and you drink enough aloe during the first trimester this will create a miscarriage.  Anecdotally, I have found that women drinking large amounts of aloe find that progesterone cream has no effect.  The dosage of aloe to create a miscarriage is extremely important according to Bullough.  What dosage of aloe was used in the progesterone cream that they used?  They did not say.  Aloe active comopnents can vary with batches, when they are harvested, and what part of the plant is used.  Did they measure the active component of aloe that blocks progesterone?  Sadly no.  Aloe vera put topically on the skin is absorbed into the body, and may also block progesterone at the receptor level [5].  Lanolin typically is contaminated with pesticide, and many pesticides are known endocrine disruptors or hormone disruptors.

This study with 80 women did not find any change in vasomotor symptoms, mood chararacteristics, or sexual feelings. There was no change in blood lipid levels or bone metabolic markers despite a slight elevation of blood progesterone levels.  They concluded that transdermal progesterone was ineffective for menopausal symptoms. [3]

First, neither study controled all the other topicals on the patients bodies' such as shampoo, lotions, cosmetics, laundry detergents, and tooth paste.  All these topicals contain chemicals or herbs that will interact with progesterone.  Aloe in the progesterone cream, in the second study, will block progesterone making progesterone ineffective.

Are the patients using other products with aloe in them?  They did not look for it.  Most things put on the skin are absorbed into the body.

Secondly, transdermal progesterone is never found in the blood.  Transdermal progesterone can only be evaluated through saliva hormone tests.

High Histamine Foods Can Exacerbate Hot Flashes and Night Sweats of Menopause

Here is an experience from one of my patients.  Thank you to Sue G., in Maryland in Feb. 2, 2020 for sharing her experience.

I found this blog to be extremely helpful in my search to eliminate my symptoms (specific to menopause):

https://themenopausehistamineconnection.wordpress.com/

That blog may also explain why the Progestelle in Olive Oil is effective, since olive oil has an anti-histamine effect.

Also look here (focuses on histamine reactivity in general):

https://healinghistamine.com/allergies-menopause-histamine/

Removing these foods will only help those women who have underlying histamine allergy/reactivity, which can be exacerbated by hormonal fluctuations.

Now my cycle is pretty much back to normal, I'm not taking anything other than basic supplements, and I can trace back perimenopause symptoms (usually within minutes to a few hours) to eating a specific food (eating out at restaurants is difficult…) & being within a week of my period.  And also b/c of progesterone fluctuations, my tolerance for the histamine foods fluctuates as well and so tomatoes for the first 2 weeks of my cycle barely bother me vs. the last 2 weeks...

This took a few months of experimenting!  And I can say without a doubt, the worst offender is sunflower oil.  Ugh! 

Sue G., Maryland 2/2/2020

 

Notes:

1. John Lee M.D., What Your Doctor May Not Tell You About Menopause, Time Warner book group, New York, New York 2004, pages 44-46

2. John Lee M.D., What Your Doctor May Not Tell You About Menopause, Time Warner book group, New York, New York 2004, pages 128-130.

3. Leonetti HB, Longo S, Anasti JM. Transdermal progesterone cream for vasomotor symptoms and postmenopausal bone loss. Obstet Gynecol 1999; 94: 225-228.

4. Wren BG, Champion SM, Willets K, et al. Transdermal progesterone and its effect on vasomotor symptoms, blood lipid levels, bone metabolic markers, mood, and quality of life for postmenopausal women.Menopause 2003; 10: 13-18.

5. Bullough, Vern, Encyclopedia of Birth Control, ABC Clio, Santa Barbara, California, 2001, 126.