The Surprising Link Between Menopause Hot Flashes and Headaches

Hot flashes and headaches can feel like a double dose of chaos in menopause. Around 80 percent of menopausal women get hot flashes, and nearly a quarter of them deal with headaches—specifically migraines—often at the same time. ^{1 2}

“Patients will often complain about a hot flash giving them a headache, or a headache giving them a hot flash,” says Carol Lynn, M.D., an OB-GYN who specializes in menopause management.

That pairing isn’t just uncomfortable—it may be risky. Research has found that women who have both migraines and vasomotor symptoms like hot flashes during menopause have double the risk of heart disease and triple the risk of stroke.

Luckily, there are ways to address migraines, headaches, and hot flashes, and the risks that come with them.

About the Experts:

Carol Lynn, M.D., is a board-certified OB-GYN who specializes in menopause management. She is a member of the American Board of Obstetrics & Gynecology and the Menopause Society.

Thaïs Aliabadi, M.D., is a board-certified OB-GYN based in Los Angeles and co-host of the SHE MD podcast.

Jewel Kling, M.D., M.P.H., is a professor of medicine, chair of the Division of Women’s Health Internal Medicine, assistant director of the Women’s Health Center, and dean of the Mayo Clinic Alix School of Medicine AZ campus.

The Connection Between Headaches, Migraines, and Hot Flashes

Hot flashes and migraines may be linked by shared underlying mechanisms, particularly vascular changes and stress.

A 2024 study found women with a history of migraines are 34 percent more likely to experience severe or very severe hot flashes during menopause. ³ There’s likely a vascular component behind the link, says study coauthor Jewel Kling, M.D.

“A sudden drop in estrogen, which often occurs right before a hot flash, can cause blood vessels to constrict and dilate rapidly, potentially triggering migraines. The vasodilation during hot flashes can also lead to vascular-type headaches,” says OB-GYN Thaïs Aliabadi, M.D.

What Causes Hot Flashes and Headaches in Menopause

Menopause-related changes, including hormone fluctuations, thyroid dysfunction, and sleep apnea, can contribute to hot flashes and headaches.

Hormone fluctuations

Declines in estrogen might contribute to hot flashes and headaches because of the hormone’s effect on blood vessels, brain chemistry, and pain sensitivity.

• Brain chemistry and hormones: Sudden dips in estrogen during perimenopause or menopause can overstimulate neurons in the hypothalamus involved in body temperature regulation and pain processing, leading to worse or more frequent migraine pain and hot flashes. ⁴
• Pain receptors and hormones: Additionally, research in the International Journal of Molecular Science shows that low levels of estrogen and progesterone can increase sensitivity in receptors involved in headache pain. ⁵
• Blood vessels and estrogen: Estrogen influences hot flashes and headaches due to its role in the endothelium, the inner lining of the blood vessels. When estrogen declines during menopause, the endothelium produces less nitric oxide, which relaxes the blood vessels. Kling and her fellow researchers theorize that changes in endothelial function may lead to both migraines and vasomotor symptoms like hot flashes.

Thyroid dysfunction

Thyroid disorders can mimic or worsen menopause symptoms, including hot flashes, headache, and migraine.

The thyroid, a small, butterfly-shaped gland in the neck, releases hormones that control everything from metabolism and body temperature to heart rate and mood. “I’ll have patients who think they’re menopausal, but testing shows they have a thyroid disorder,” Lynn says. Other times, a thyroid issue will occur alongside menopause, intensifying symptoms like hot flashes or headaches.

Up to 47 percent of women over 40 have some form of thyroid dysfunction. ⁶ Roughly a quarter have subclinical or clinical hypothyroidism, which occurs when the thyroid doesn’t produce enough thyroid hormone. Ten percent have subclinical or clinical hyperthyroidism (when it makes too much). Both conditions can contribute to hot flashes, and hypothyroidism is also linked to headaches.

• Hypothyroidism can lower estrogen, which could worsen hot flashes, headaches, and migraines. ⁷ About 30 percent of women with hypothyroidism experience headaches. ⁸ The condition can lead to growths in the pituitary gland, putting pressure on the skull near the gland, leading to headaches. High levels of prolactin, which are also associated with hypothyroidism, may also play a role. ⁹
• Hyperthyroidism is a more likely culprit of hot flashes. The excess thyroid hormone increases the body’s metabolic rate, leading to sweating, heat intolerance, and hot flashes. ¹⁰

“I’ll have patients who think they’re menopausal, but testing shows they have a thyroid disorder,” Lynn says. Other times, a thyroid issue will occur alongside menopause, intensifying symptoms like hot flashes or headaches.

Sleep apnea

Obstructive sleep apnea becomes significantly more common after menopause and is linked to both hot flashes and headaches.

As many as 67 percent of postmenopausal women develop the condition, which is characterized by repeated pauses in breathing during sleep. ¹¹

Declining progesterone can cause the muscles in the pharynx (which keep the airways open) to dilate, increasing their risk of collapsing during sleep. Menopause weight gain can also create more pressure on the upper airways, exacerbating blockages. ¹²

When your breathing is disrupted overnight, the lack of oxygen to your brain can trigger the sympathetic nervous system (responsible for the fight-or-flight response) to release hormones that increase heart rate, blood pressure, and body temperature. Research shows that sleep apnea can lead to both morning headaches and night sweats. ^{13 14} In fact, women with severe hot flashes are nearly twice as likely to have obstructive sleep apnea. ¹⁵

Other triggers for hot flashes and headaches

Other factors that are common in menopause may also contribute to hot flashes and headaches.

• Stress. Menopause stress may also trigger hot flashes and headaches. “Stress raises cortisol levels and causes muscle tension, which can lead to tension headaches and trigger hot flashes,” Aliabadi says. The biological damage from chronic stress, known as “allostatic load,” also increases the risk of hot flashes and migraines, says Kling.
• Dehydration. Dehydration causes the brain to shrink slightly, putting pressure on surrounding nerves and causing headaches. Aliabadi says it can also make the body more sensitive to temperature changes, including hot flashes.
• Diet. Different foods can cause hot flashes and headaches, Lynn says. Some common offenders include hot flash triggers like caffeine, alcohol, and spicy foods.
• Poor sleep. Sleep loss heightens pain sensitivity and can make you more sensitive to temperature changes, Lynn says.

Health Impacts of Having Hot Flashes and Headaches

If you’re dealing with menopause hot flashes and headaches, you likely don’t need any additional incentive to get help. But there’s evidence that they can affect overall health, including:

• Worsened mental health. Research shows 36 percent of menopause age women with migraines report anxiety, and 44 percent report depression. ¹⁶ Those who experience hot flashes are up to eight times more likely to develop depressive symptoms. ¹⁷
• Disrupted sleep. Almost half of women in menopause who experience hot flashes experience insomnia; those who experience migraines are two to eight times as likely as others to have a sleep disorder.
• Memory difficulties. Hot flashes have been shown to impact areas of the brain related to verbal memory (what you use to remember a word, for example), while migraines can lead to brain fog, confusion, and trouble focusing or finding the right words. ^{18 19}

Hot Flashes, Headaches, and Heart Health

A 2024 study in the journal Menopause found women with migraine and persistent vasomotor symptoms were 50 percent more likely to get heart disease and 70 percent more likely to have a stroke compared with women without both symptoms. ²⁰ Women who had either migraines or hot flashes, but not both, didn’t have the same increase in risk—a finding that challenged earlier research that suggested hot flashes alone increased the odds of heart disease.

Kling, a co-author of the study, says that each symptom can stress the blood vessels, cause inflammation, and affect blood clotting separately. When the two symptoms occur together, those combined impacts add up to a significant cardiovascular risk.

She acknowledges that this may feel scary for people who are experiencing hot flashes and headaches together in menopause. “But it can also be flipped on the reverse: Hopefully, knowing that you’re at a higher risk empowers you to implement healthy lifestyle habits or talk to your clinician about how to reduce your risk.”

Solutions for Hot Flashes and Headaches

Medications, HRT, and lifestyle strategies are very effective at treating menopause hot flashes and headaches, so they’re worth discussing with your doctor.

HRT for hot flashes and headaches

Hormone replacement therapy can stabilize estrogen levels, reduce vasomotor symptoms, and minimize the hormonal fluctuations that often trigger hot flashes, migraines, and headaches.

Estrogen-containing HRT in particular has been shown to reduce hot flash symptoms by 75 percent, and to ease menopause migraines as well. ^{21 22} “Transdermal estrogen is often preferred, as it provides a more consistent absorption and tends to have fewer side effects,” Aliabadi says

That said, it’s essential to work with a doctor to find the best form of HRT (sometimes also called menopause hormone therapy, or MHT) for you. The treatment may include estrogen, progesterone, or a combination of the two.

Lifestyle changes

Combining medication with lifestyle changes can go a long way toward reducing the severity or frequency of your hot flashes and headaches. The most effective strategies include:

• Staying hydrated. Lynn recommends aiming for 11.5 cups of fluid a day from beverages and food to help prevent hot flashes and headaches. ²³
• Maintaining a consistent sleep schedule. Improving sleep quality may lessen hot flashes and headaches. A good first step: Try to go to bed and wake up within the same one-hour window every day, even on the weekends. Research shows that sticking to consistent sleep and wake times has a big impact on sleep quality. ²⁴
• Limiting dietary triggers. These may include alcohol, caffeine, or spicy foods, says Aliabadi.
• Exercising regularly. “Regular exercise supports hormone regulation and enhances the body’s stress response,” Aliabadi says. Exercise can also minimize menopause weight gain, and since higher BMIs are associated with worse menopause symptoms, this may help reduce issues like headaches and hot flashes. ²⁵

Non-hormonal medications

Several non-hormonal prescription medications may help with hot flashes and headaches, including:

• SSRIs and SNRIs. Some other antidepressants have been shown to reduce the frequency and severity of hot flashes and migraine. Paroxetine (Brisdelle or Paxil) is an antidepressant that is also FDA-approved to treat hot flashes. ^{26 27}
• Gabapentin. This anti-seizure medication is sometimes used off-label for hot flashes, headaches, or migraines. Aliabadi says it may be particularly effective for night sweats. ^{28 29}
• Clonidine. This blood-pressure-lowering medication can also help treat hot flashes and migraine. ³⁰ Aliabadi says it may have “a mild effect on [non-migraine] headache thresholds as well.”

Another prescription medication, fezolinetant (Veozah), is approved to treat hot flashes during menopause. Still, it may not be the best choice for people who also experience migraine or headaches, since headache is a common side effect of the medication.

“For more severe or migraine-type headaches, migraine-specific medications like triptans, beta-blockers, or CGRP inhibitors may be prescribed,” Aliabadi adds.

Alternative therapies

Alternative therapies that help manage stress can be extremely effective at reducing hot flashes and headaches, says Aliabadi. A few to consider:

• Yoga. Research has shown that yoga’s calming effect can reduce hot flash frequency by 66 percent and headache frequency and intensity. ^{31 32}
• Meditation. Meditative techniques significantly reduce perceived stress, which may translate into less migraine pain and hot flash symptoms. ^{33 34}
• Cognitive behavioral therapy. CBT, a form of therapy aimed at helping people identify and change unhelpful thought patterns and behaviors, may help make people aware of how to prevent headache and hot flash triggers and how to cope more positively with symptoms. ^{35 36}
• Acupuncture. Acupuncture is another stress-buster shown to treat both hot flashes and migraine. ^{37 38}

When to See a Doctor for Hot Flashes and Headaches

If hot flashes and headaches interfere with your daily life, sleep, or mood, it’s important to see a doctor and ask about treatment options. “You should [also] seek medical attention if your headaches are new, sudden, or severe, or if you are experiencing neurological symptoms such as vision changes, weakness, or confusion,” Aliabadi says

Your healthcare provider may suggest tests to help rule out additional problems, such as thyroid issues, or assess your risk of related health issues like heart disease and stroke.

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About the author

Mirel Zaman is a seasoned health journalist with over 15 years of experience reporting on wellness, fitness, nutrition, and healthcare disparities. She's committed to evidence-based reporting and a focus on underrepresented topics including hormone imbalances.

About the reviewer

Natalie Kunsman, M.D., is a board certified physician specializing in functional, anti-aging, and regenerative medicine. She is a fellow of the American Academy of Anti-Aging medicine and the American Academy of Family Physicians.