Perimenopause body odour: why you might smell different and what helps
By Softer Mind · Updated 15 October 2026 · 7 min read · Based on NHS guidance and published research
You notice it at the end of the day, or straight after a hot flush. Your top smells stronger than it used to. Your deodorant doesn't seem to last. Maybe you keep wondering whether other people can smell it too.
You're not imagining it. Perimenopause body odour (perimenopause body odor) can happen, and the likeliest link is sweat. Menopause is one of the most common reasons for night sweats, the NHS says, and the NHS page on body odour lists hot weather and "hormonal changes" among the things that can make it worse.
More sweat gives the bacteria on your skin more to work with, and that's what makes the smell. Most of the time it's manageable. But a new or unusual smell can sometimes be a sign of something else, so read the box below first.
See a GP urgently or call 999 if:
- Call 999 or go to A&E if your breath smells fruity (like pear drops or nail polish remover) and you're very thirsty, peeing a lot, being sick, breathing fast or deeply, or feeling drowsy or confused. This can be diabetic ketoacidosis, which is an emergency, even if you've never been told you have diabetes (NHS). Don't drive yourself.
- Get an urgent GP appointment or call 111 if you've noticed a fruity or unusual smell and you're thirsty all the time, peeing more than usual, very tired or losing weight without trying. These can be signs of diabetes (NHS).
- See your GP if you suddenly start sweating much more than usual, or the way you usually smell changes (NHS).
- See your GP if you have heavy sweating or night sweats together with a very high temperature, feeling hot, cold or shivery, a cough, or weight loss you can't explain (NHS).
Can perimenopause cause body odour?
It can play a part. The main reason seems to be that you sweat more.
- The British Association of Dermatologists lists menopause among the hormone changes that can cause sweating all over the body.
- The NHS says menopause hot flushes are one of the most common causes of night sweats.
- The NHS body odour page lists "hormonal changes" as something that can make body odour worse.
What we couldn't find is good research showing that menopause changes the smell of sweat itself. You'll see that claim online a lot. But the evidence we found points to the simpler explanation: more sweat, more often, and more time spent damp.
Why do you smell different in perimenopause?
Fresh sweat doesn't smell much
A study of underarm bacteria explains that some of the sweat from your underarm glands contains odourless substances. Bacteria on your skin then turn these into smelly ones. The researchers say their results show how important the bacteria are in making the smell.
You have two main kinds of sweat glands. The British Association of Dermatologists describes the water-making "eccrine" glands and the "apocrine" glands. The underarm study above looked at what comes from the apocrine glands. The British Association of Dermatologists also says that when feet sweat a lot, an overgrowth of harmless skin bacteria can cause an unpleasant smell.
Hot flushes and night sweats
Hot flushes can make you sweat a lot, by day or by night. As with sweaty feet, more sweat can mean more bacteria, and more smell. Our article on night sweats explains why they happen and how to stay cooler.
Stress
Anxiety is one of the most common causes of night sweats, says the NHS. If perimenopause has made you more anxious, that can add to the sweating.
Perimenopause sweating: what else could be causing it?
Before putting it down to menopause, it's worth knowing the other causes. The NHS lists things that can make body odour worse:
- exercise and hot weather
- hormonal changes
- being overweight
- conditions like diabetes, kidney disease or liver disease
- some medicines, such as antidepressants
The NHS night sweats page adds:
- some antidepressants, steroids and painkillers
- low blood sugar (hypoglycaemia)
- alcohol or drug use
- a harmless condition called hyperhidrosis, which makes you sweat too much all the time
The British Association of Dermatologists says sweating all over the body can also come with infections, diabetes and an overactive thyroid.
If you think a medicine might be playing a part, talk to your GP or pharmacist. Please don't stop or change it on your own.
What about vaginal odour?
If the smell you've noticed is coming from your vagina rather than your armpits, feet or skin, that's a different thing with its own causes and checks. We cover it in our guide to menopause discharge. If you're worried in the meantime, see your GP.
How to manage perimenopause body odour: things to try
These tips come from the NHS body odour page unless we say otherwise.
Washing
- Wash your armpits, groin and feet at least twice a day with soap, and dry them well.
- If soap makes your skin sore, a pharmacist can suggest a gentler soap substitute.
Antiperspirant and deodorant
- Use an antiperspirant or deodorant.
- In the underarm study, people who didn't use antiperspirant had, on average, about 50 times more bacteria in their armpits, and stronger sweat odour (Microbiome, 2015). It was a small study, but it fits with what the NHS suggests.
- If your usual one isn't enough, ask a pharmacist about stronger antiperspirants.
Clothes
- Change and wash your clothes regularly.
- Choose natural fabrics. Avoid tight clothes and synthetic fabrics.
- The British Association of Dermatologists says absorbent cotton underlayers can help with sweating on the body.
- For sweaty feet, wear moisture-wicking socks and change them at least twice a day.
- Ask a pharmacist about armpit shields to protect your clothes.
Food and drink
- Don't eat too much strong-smelling or spicy food.
- Don't drink too much alcohol.
Hot flushes and night sweats
The NHS suggests these for hot flushes and night sweats:
- wear light clothing and keep your bedroom cool at night
- cool down with a cold shower, a fan or a chilled drink
- cut back on triggers such as spicy food, caffeine, hot drinks, smoking and alcohol
- try to manage stress and stay active
Two practical extras: keep a spare top in your bag, and a spare set of nightclothes by the bed.
What a pharmacist or GP can offer
A pharmacist can suggest (NHS):
- stronger antiperspirants
- armpit or sweat shields to protect your clothes
- foot powders for sweaty feet
- soap substitutes that are gentler on your skin
Your GP may check for other causes, such as diabetes. If sweating and body odour are severe, the NHS says a GP may:
- prescribe stronger antiperspirants, or medicines for heavy sweating
- offer injections to cut down sweating, which may last only 2 to 6 months and may not be available on the NHS
- in very severe cases, consider surgery
For menopause symptoms, the NHS says oestrogen is the main type of HRT and "can help manage your symptoms". You may also be offered cognitive behavioural therapy (CBT) for hot flushes and night sweats, and if that doesn't help, a doctor may suggest other medicines. These are all options to talk through with your GP.
When to see a GP about body odour or sweating
The NHS says to see a GP if you've tried the tips above and your body odour hasn't improved, and:
- it's affecting your self-esteem
- you notice a change in how you usually smell
- you suddenly start sweating much more than usual
The NHS also says to see a GP if night sweats regularly wake you up or worry you.
And use the box at the top of this page for anything urgent. If you have other menopause symptoms too, our symptoms checklist lets you tick them off and print a list for your GP.
Where relaxation fits in
Night sweats can leave you hot, damp and wide awake, and a flush in the middle of the day can leave you flustered and self-conscious. If hot flushes and night sweats are part of the picture for you, you might like something gentle to listen to as you wind down. Cool and Calm, our hypnosis download for menopause hot flushes, is a relaxation recording with soft cooling imagery, to help you unwind and drift off. It's a relaxation recording, not a treatment, and it doesn't replace advice from your GP.
Related
Body odour often goes along with hot flushes (hot flashes) and the chilly cold flushes that can follow them. For vaginal smells, see menopause discharge. You can see them all in our list of perimenopause symptoms.
This page is general information, not medical advice. If you're worried about any symptom, please talk to your GP or pharmacist.
