Complaints & connections · borters.ch
Flushing
A narrowed temperature window — mostly hormonal, often triggered by alcohol, spice and stress.
Also known as: hot flashes · flushing · sudden heat · sweats · red face
Open in the tool — with search and all the links →This compilation is for information and replaces neither medical diagnosis nor treatment. If you have symptoms, see a doctor.
A hot flush usually starts in the chest or the neck, rises to face and head within seconds, lasts one to five minutes and often ends in sweat and shivering. Behind it lies a narrowed temperature window in the brain: a small rise in warmth already triggers the full cooling response — vessels open, skin warm, sweat. The most common reason is the menopause, often beginning years before the last period and showing at night as sweats. But flushes are neither limited to women nor to menopause. An overactive thyroid brings heat with palpitations and weight loss. Alcohol, spicy food, hot drinks and stress trigger single episodes. Some medications are known for it, as is anti-hormonal treatment after breast or prostate cancer. In men a low testosterone level comes into question. And when flushes appear together with diarrhoea, racing heart or episodic high blood pressure, there are rare hormonal causes that are found when they are looked for.
Time, what was eaten and drunk before, situation. Patterns show up quickly.
Thin layers and a cool bedroom take the edge off an episode.
Slow exhaling shortens the flush for many — free and possible anywhere.
There are hormonal and non-hormonal routes; which fits depends on history and preference.
Thin layers instead of a jumper, a cool bedroom, a fan beside the bed, slow breathing out during an episode.
Breathe in for four seconds, out for six to eight, for five minutes — sitting or lying.
Hormones work most strongly and lower flushes by about seventy to ninety per cent; the effect begins in two to four weeks. For women who do not take them, low-dose SSRIs and SNRIs have been studied — they halve the flushes and work within one to two weeks; gabapentin works mainly at night. Newer drugs act directly on the temperature centre. Black cohosh is used traditionally and has been examined in studies.
A flush lasts one to five minutes; in some women they occur up to ten times a day. They begin on average about two years before the last period and last on average seven to ten years — considerably longer than long assumed. In about one in ten women they continue past seventy. Skin temperature rises measurably during the flush, core temperature does not: the body sheds heat it considers excessive.
Typical of the hormonal transition — and why sleep suffers.
A single trigger, not a condition of its own — easy to see in a diary.
Points to the thyroid rather than the menopause.
This combination is rare but can be worked up — it deserves naming.
Falls in the transition — it is the drop that triggers, not the low value itself.
In men with flushes a sensible value, especially under anti-hormonal treatment.
Every bleed costs iron. With heavy or long periods the store empties faster than it fills — ferritin shows this earlier than the haemoglobin.
Often used for cramps of the womb muscle. The studies are small and inconsistent; it is well tolerated, and the belly shows the upper limit.
Acts on ovary and womb lining. Low values are common; correcting them is worthwhile for bone and muscle regardless of the cycle.
Often named for complaints before the period and defensible in a moderate dose. At a high dose over months it harms the nerves — that is the limit that counts.
The longest-used plant remedy for this. The studies are inconsistent, the frame is 40 mg extract a day over 3–6 months. With liver complaints it belongs stopped and looked at.
50–100 mg isoflavones a day over 12 weeks show a fall in flushes in studies. The effect is stronger in women whose gut bacteria make equol — about a third in Europe.
Traditionally used against sweating, in the daytime too. The studies are small and open-label; the frame is an extract once daily over 8 weeks.
Clearly effective with proven deficiency, useless without. Take only with a documented deficiency — excess is harmful.
Effective when deficient; effects on sleep and stress plausible but moderate. Too much causes loose stool.
Clearly worthwhile and well studied when deficient; fewer data for the wider uses. Fat-soluble — check blood levels at high doses.
It is not the low value itself that sets off the flush, but the swinging. That is why the years before the last bleeding are often worse than the time afterwards.
Rises when the ovaries answer less. A single value is no good for fixing the point in time — in the transition it swings from week to week.
Explains the pounding heart and the burst of sweat in the same moment. It also makes it understandable why tension and caffeine strengthen the flushes.
An overactive thyroid makes the same picture — heat, sweating, pounding heart, restlessness — and is often put down to the menopause for years.
Hot drinks, alcohol, spicy food and caffeine trigger a flush within minutes in many. A diary over 2 weeks shows which ones — they differ for every woman.
Reviews find with 40–80 mg isoflavones a day over 12 weeks a reduction of flushes by about a quarter. That equals 100–200 g of tofu or soybeans daily — not a glass of soy drink.
The classic against sweating in menopause: an extract once daily over 8 weeks is the studied frame. In large amounts over months it is not intended, because of the thujone.
Contains isoflavones like the soybean. In studies at 40–80 mg a day over 12 weeks the differences are small and not consistently found.