A hot flush can interrupt an ordinary moment without warning. You might be answering an email or settling into bed when heat spreads across your face and upper body. For some people, it passes quickly. For others, repeated episodes disrupt sleep, work and social occasions. Fortunately, menopause hot flushes can often be eased, and effective treatments are available.
What does a menopause hot flush feel like?
A hot flush is a sudden sensation of heat, usually in the face, neck and chest. Your skin may redden, you may sweat, and your heartbeat can feel more noticeable. Afterwards, you might feel chilly as sweat evaporates. Episodes vary in intensity and may happen without an obvious trigger.
Hot flushes can begin during perimenopause, while periods are changing, and continue after menopause. People searching for hot flashes UK advice mean the same symptom: “hot flashes” is simply the more common American term.
Why do hot flushes happen?
Changing oestrogen levels during menopause affect how the brain regulates body temperature. Its temperature-control system becomes more sensitive, so relatively small changes can trigger sweating and increased blood flow to the skin. This sudden cooling response feels like a rush of heat.
Not everyone experiences hot flushes, and frequency does not reliably indicate how far through menopause someone is. Symptoms fluctuate. If your periods are also irregular, a guide to perimenopause symptoms can provide useful context.
Common triggers worth watching
Hormonal changes are the underlying cause, but certain situations can make episodes more likely. Reported triggers include hot drinks, caffeine, alcohol, spicy food, warm rooms, smoking and stress. They are possibilities, not universal rules: avoiding everything may achieve little if those things do not affect you.
Try a two-week diary. Note when each flush happened, what you were doing and how disruptive it felt. For example, if episodes repeatedly follow an afternoon coffee, switch to decaf for a week and compare. Find your own useful adjustments rather than follow an unnecessarily restrictive diet.
Practical hot flush relief during the day
When a flush starts, move somewhere cooler, loosen a layer of clothing, sip cold water and use a fan. Breathable fabrics and removable layers make episodes easier to handle during meetings or travel.
Regular exercise, stopping smoking and working towards a healthy weight may help over time. Relaxation can be useful when stress worsens symptoms, although none of these steps guarantees relief. You do not need to exhaust lifestyle measures before asking about treatment.
For a practical workday solution, keep a small “flush kit” in your bag: a refillable water bottle, handheld fan and lightweight spare layer. It makes responding to an episode less stressful.
Night sweats and interrupted sleep
Night sweats menopause symptoms are hot flushes occurring during sleep. You may wake overheated or damp, then struggle to fall asleep again. Repeated interruptions can leave you exhausted the next day.
Keep your bedroom cool, choose light bedding and use separate covers if your partner prefers more warmth. A bedside drink and spare nightwear can help. Consistent sleep times are worthwhile, even if they cannot stop every episode.
When broken sleep is the main difficulty, ask about menopause-specific cognitive behavioural therapy (CBT). It can help with the distress and sleep difficulties associated with hot flushes. Our guide to better sleep during menopause explores other useful routines.
When hormone replacement therapy may help
Hormone replacement therapy (HRT) is an effective treatment for menopause-related hot flushes and night sweats. UK NICE guidance recommends offering HRT for these symptoms. You can discuss starting it during perimenopause; periods do not need to have stopped.
HRT comes as patches, gels, sprays and tablets. If you have a womb, you generally need progestogen alongside systemic oestrogen to protect its lining. After a hysterectomy, oestrogen alone may be suitable. The choice depends on medical history, preferences and risk factors.
Discuss benefits and risks with your GP, especially if you have a history of breast cancer or blood clots. Improvement may begin within weeks, but dose adjustments take time. Treatment is usually reviewed after about three months and then annually. Our HRT benefits and risks guide offers further background.
Options if you cannot or prefer not to take HRT
NICE recommends considering menopause-specific CBT alongside HRT or when HRT is unsuitable or unwanted. It does not suggest symptoms are imaginary; it offers strategies for reducing their disruption and distress.
Prescription non-hormonal treatments are also available. In 2026, NICE recommended fezolinetant for moderate to severe flushes and night sweats when HRT is unsuitable, under guidance for NHS England. Liver-function blood tests are required because rare liver injury has been reported. A clinician must assess suitability.
Other medicines may be considered individually, but antidepressants and clonidine are not routinely first-line treatments for hot flushes alone. Herbal products sold for hot flush relief have uncertain safety and effectiveness; some interact with medicines. Speak to a pharmacist or GP before using them.
When should you speak to your GP?
Book an appointment if flushes affect sleep, confidence, work or everyday activities. You can discuss menopause, treatment choices and whether a medicine or another condition might contribute. Bring a symptom diary and a list of medicines or supplements.
Do not automatically blame menopause if night sweats repeatedly soak bedding, particularly alongside unexplained weight loss, fever or persistent cough. Tell your GP about troublesome new palpitations, unusually heavy bleeding or any vaginal bleeding after 12 months without a period. These symptoms need assessment.
Frequently asked questions
How long do menopause hot flushes last?
Each episode usually passes within minutes, but the overall pattern can continue for years. Duration varies considerably, and there is no reliable date when yours will stop.
Can hot flushes happen while I still have periods?
Yes. Hormonal fluctuations during perimenopause can cause hot flushes before your final period. Irregular cycles and other menopause symptoms may occur alongside them.
Does drinking cold water stop a hot flush?
It may make you feel cooler during an episode, but it does not correct the underlying hormonal changes. Think of cold water as immediate comfort, not a cure.
Is HRT the only effective treatment?
No. HRT is a leading option, but menopause-specific CBT and certain prescription non-hormonal treatments can also help. Your clinician can explain which approaches fit your circumstances.
Finding a way forward
Hot flushes in menopause are common, but ongoing discomfort and sleepless nights are not something you must simply endure. Notice your triggers and make manageable changes. If episodes keep interrupting daily life, speak to your GP about HRT and other evidence-based options. A plan tailored to you can make everyday life easier.