5 common hot flush triggers

Read the full video transcript below

Today's topic

Today, on A.Vogel Talks Menopause, I'm going to be revisiting hot flushes. Now, I know we've talked about these on a number of occasions, but it never does any harm to go back over things. And, I'm going to look at hot flushes from a slightly different stance this week.

Now, about 25% of women will not get hot flushes at all during their menopause. But the situations that can trigger hot flushes can also trigger other menopause symptoms as well. So, for those of you who are sitting there going, "But I don't get any hot flushes," please watch along, because there may be some self-help tips here for you, too.

What is a hot flush?

Now, what exactly is a hot flush? Sometimes understanding what's happening can give us greater control over how we can deal with the situation. In normal circumstances, if your body gets a bit too hot, the blood vessels in the surface of the skin will start to open up. Blood will come through, and the heat from the blood will be dissipated into the air. This is the way that you will lose the heat. If you're extra hot, then sweating can be triggered as well, and it's the evaporation from the skin that cools you down.

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How the hypothalamus causes hot flushes

Now, the problem is in the menopause that this can go a bit wrong. In the brain, we have a gland called the hypothalamus. The hypothalamus is a bit like a master gland. It rules over its own little kingdom in the body, making sure everything is working properly. It looks after our hormones. The problem is that when our sex hormones, which is our oestrogen, progesterone, and testosterone, start to fluctuate during the menopause, the other areas where the hormones are involved very often get put under pressure.

So, your poor, old hypothalamus is trying to juggle everything. It's trying to keep everything in balance. And the problem here is that the hypothalamus also regulates your temperature. 

When everything is going wrong, and the hypothalamus is looking all over the place trying to keep everything in a nice balance, it can sometimes think that your body's too hot when it's not. When that happens, it goes into a panic mode and it will be like, "Oh, no. The body's getting too hot. I've got to do something. Emergency! Emergency!"

So the cooling process, which normally takes a little while, is sprung into action. Very quickly your blood vessels will open, you'll get a rush of blood, and that's your hot flush. If the hypothalamus is extra testy, then what will happen is it will also trigger the sweating as well. So, you end up getting a hot flush with sweating, or you might get a night sweat in the middle of the night. Unfortunately, this can go on all the time.

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How your nervous system can cause hot flushes

So one route by which we can have hot flushes triggered is directly because of the hormonal imbalances going on, but the other area that we can get hot flushes from is from our nervous system. And if you think about it, the times when maybe we're a bit nervous, or we're scared of something, very often we'll get a little bit of a sweat on, or we'll start to feel a bit hot and clammy.

That's because the nervous system can actually interfere with your temperature control. So, in the menopause, we know that the nervous system is going to be pulled into absolutely everything, because of all the other changes that are going on in the body as well.

5 common hot flush triggers

And certain things can overstimulate the nervous system, and that will then trigger your hot flushes. So I'm going to look at five of them today. These are the common ones that go on.

1. Anxiety

We've got anxiety itself. We know from experience that anxiety is number 3 in our top 10 list of menopause symptoms. And you can end up being in a state of anxiety practically the whole day. You can wake up in a state of anxiety, and that means that your nervous system is being pressurised the whole time. Very often an anxiety attack will actually accompany or precede a hot flush or a sweat.

2. Stimulants

We have got the stimulants, so that's things like your caffeine, your alcohol, your fizzy juices, and high salt and sugar foods. And we know that these can give your nervous system a really quick hit. It revs your nervous system up. 

It's amazing how many women say to us that they they've realised that after drinking a cup of coffee, 10 minutes later, they get a hot flush. Or if they have a sugary bun or a piece of cake, they end up getting hot flushes. These things can trigger your hot flush or your sweats within maybe 10 - 15 minutes of taking them.

3. Low blood sugar levels

We've also got low blood sugar levels, and this can stress the nervous system and trigger another flush. For those of you who are really interested, just the other week I posted a blog about low blood sugar levels, and it's quite an interesting topic. So do have a look if you haven't seen it already.

4. Dehydration

We've got dehydration, and this can be a real, vicious circle. Hot flushes and night sweats will dehydrate you, and dehydration will put your nervous system into panic mode, and that will then trigger more hot flushes or night sweats.

5. Lack of magnesium

And we also have, last but not least, is our magnesium. We know that falling oestrogen can interfere with the absorption and the availability of magnesium, and that your nervous system practically runs on magnesium.

So, if you're low in magnesium, your nervous system is going to be extra stressed, and that's going to trigger your hot flushes and night sweats. The first thing to do is, if any of these situations apply to you, to deal with them first.

What you can do to help yourself

So, for your anxiety, we would look at lovely calming herbs, maybe like AvenaCalm or Passiflora, or even a really good vitamin B complex can help to reduce the anxiety.

You can look at cutting out or cutting down the tea, the coffee, and your high salt and sugar foods.

You can look at drinking more water. Get plenty, plenty of water, and I can't really stress this enough. Again, it's amazing how many women come back to us and say that all they've done is added in some more plain water, and their symptoms have started to ease off. So this is a really easy one that you can do for yourself. 

Also, you need to eat little and often, or if you can't eat little and often too much, then just make sure that you're getting a good, healthy snack that's going to keep your blood sugar level stable, and your nervous system will really thank you for that. 

And, also, look about taking a magnesium supplement. Usually to start with about 200 milligrams a day is fine, but you can increase it a little bit if you feel that you absolutely need to.

What else can help?

These are the first steps to going about trying to help your hot flushes and your night sweats, but there are other things you can do. I'm a great one for looking at the situation in its entirety and trying to break things down to see why certain things are happening.

Keep a hot flush diary

I think it's a really good idea to have a hot flush diary. So what you would do, maybe over a week or two, is have a little diary and, every time you get a hot flush, put in the time, put what's happening. What situation are you actually in at the moment? What were you doing an hour before the hot flush? Or what were you eating maybe 15 minutes ago?

And, if you're getting woken up by night sweats, then try and jot down the time that you're being woken up. And you might actually find after a week or two that there is actually a set pattern to some of the hot flushes or night sweats that you're getting. Then you can look at the situation that was happening before it and try to deal with that.

My hot flush story

I know some of you have heard this story before, but one of the interesting things that I found was to do with my hot flushes.

I have to travel quite a lot between my home and Edinburgh and to get to Edinburgh, I have to drive through Glasgow.  The motorway through the centre of Glasgow is an absolute nightmare, because at some points there's five lanes of traffic, and there's cars coming from the left crossing in front of you. There's cars coming from the right in front of you. There's cars coming up behind, there’s cars seesawing all over the place, and it's a very, very stressful 15 - 20 minutes.

I actually realised that I was getting a hot flush at the same point in the journey every time I went that way. And it was a point about three miles outside the city centre, and I'm thinking, "Why am I always getting a hot flush?" It was just as I was passing this big cinema complex, and I thought, "This is really strange."

But when I looked back to the 15 minutes or half an hour beforehand, I could see I was driving through a large amount of traffic. I was very anxious about the traffic, I was clinging on for dear life onto the steering wheel, and I was holding my breath because I was concentrating so much on just making through in one piece.

And I realised that, that situation was putting my nervous system into overdrive. So what I do now is I always make sure to remind myself to breathe as I'm going through the top of the city, and I also try and have a good swig of water before I actually reach that point, so that I'm hydrated and that my nervous system is that little bit calmer. And I found that that has just absolutely worked a treat for me.

Another hot flush scenario – supermarket shopping!

So,  maybe take a little bit of time and see what's going on with the hot flushes. Here's another sort of make-believe scenario, if you like, just to let you see the sorts of things that you can do. We get an awful lot of women who hate shopping now.

They say oing into a supermarket is a nightmare, because, inevitably, they get hot flushes or they get sweats while they're shopping, and they really hate it. So, you imagine this situation. Maybe you've been working all day. You're a little bit stressed. You're feeling tired. All you want to do is get home, and now you've got to go and do the shopping. You won't have had anything to eat for a while. You probably haven't had anything to drink for a while either.

And then if you're anything like me, you get to the shop and find you've forgotten your shopping list. Can you remember all the things that you've got to buy? So, you know the nervousy system at this point is already just on the brink.

Then, of course, there's the trolley race, and trying to get round where you want to go to, and people are blocking the aisles and banging into you. And you have to wait for ages in the supermarket queue. At that point, your nervous system just goes, "I really can't cope with this anymore." And there you go, hot flush or a real sweat that just makes you feel even worse.

Plan ahead before you go

So, in any kind of scenario like this, plan ahead. If you need to go shopping after work, then make sure maybe half an hour before you finish work have a good drink of water. Have a nice snack. Do maybe five or six really deep breaths, so that by the time you get to the supermarket, you're fed, you're watered, and your nervous system is in a much calmer state. And very often that will help you to get through it just that little bit easier.

Some homework for you

So what I'd like you to do this week for your homework is do the diary and then just have a look and see if there's any situations where you're getting hot flushes, where you can maybe control the situation a little bit better. Then you can tell me if it's worked and if you find that your hot flushes or sweats have reduced.

Something to be aware of

Now, just one tiny little point here. If you are getting profuse sweating, you're really sweating during the night, or you're sweating terribly during the day and it's just not letting up, or the sweating has been going on for years and years. Very often, this can indicate other underlying health issues such as low thyroid function or low vitamin D. And, if you're in this situation, I would just advise that you get this checked out by the doctor first and then carry on with your little diary.

So, I hope this has helped, and do let me know how you get on. And I will look forward to seeing you next week on A.Vogel Talks Menopause.