What’s happening in your body
Your hypothalamus is the thermostat in your brain. A good thermostat has a little cushion built in. Set it to 72 and it doesn’t blast the air conditioner at 72.1 and the furnace at 71.9, or the whole system would fight itself all day. Estrogen is what keeps that cushion in your brain’s thermostat.
When estrogen drops, the cushion shrinks to almost nothing. A rise in body temperature so small you’d never have noticed it at 35 now trips the alarm, and your brain dumps heat: blood vessels open, sweat glands fire, your heart speeds up. At 2 in the afternoon, that’s a hot flash. At 3 in the morning, it’s a soaked nightgown and a racing heart in the dark.
We know this is the real mechanism because we can now block it. Two newer nonhormonal prescriptions target the exact brain signal involved, and hot flashes drop.
What you’re probably feeling
One woman told me she had a fan blowing on her, a window unit by the bed, cold water in the bed and the house air conditioning running, all at the same time. She was still hot and miserable. Maybe that sounds familiar:
- A sudden rush of heat through your face, neck and chest
- Flushing and sweating, sometimes followed by chills
- Your heart racing for no reason
- Waking up drenched at night
- Leaving a meeting, a dinner or a conversation because you have to cool down
Hot flashes can start in perimenopause, while you’re still having periods. If flushing or sweating comes with a fever, unexplained weight loss or other new symptoms, tell me. Not every hot flash is menopause, and some medications and conditions cause them too.
How I treat it
Through the 4D Method. Your history usually makes the diagnosis. Your labs rule out things that can mimic it, like an overactive thyroid, and flag anything that makes hormone therapy riskier for you.
Systemic hormone therapy is the most effective treatment for bothersome hot flashes. It isn’t right for everyone. Your age, how long it’s been since your last period, your medical history and the way the hormone is delivered all matter, and so does whether you still have a uterus.
If hormones aren’t right for you, or you’d rather not take them, you have real options. The newer prescriptions I mentioned block the brain signal behind hot flashes, and one of them requires liver blood tests before and during treatment. Other nonhormonal medications help some women. Cognitive behavioral therapy can reduce how much hot flashes disrupt your life. A fan, layers and a cool bedroom help you survive the night. They don’t fix the thermostat.
What the research says
In the Study of Women’s Health Across the Nation (SWAN), frequent hot flashes and night sweats lasted a median of 7.4 years. The Menopause Society’s 2022 position statement names hormone therapy as the most effective treatment for them, and its 2023 nonhormone therapy position statement reviews the nonhormonal treatments that have evidence behind them.
A patient story
Temple is 54. Her hot flashes are gone, and her energy is back.
Individual results vary.
Keep a simple record
Before your visit, jot down a few things. It doesn’t have to be perfect.
- Roughly how often the hot flashes come and how long they last
- What they do to your work, your sleep and your plans
- Every medication, supplement and remedy you’ve tried
- Your biggest questions about benefits, risks and cost
Serving Henderson and Las Vegas
I see women from Seven Hills, Anthem, MacDonald Highlands, Green Valley, Summerlin and Lake Las Vegas at my Henderson office, and patients anywhere in Nevada by telehealth.
Hormone Therapy Institute · 2850 W Horizon Ridge Parkway, Suite 200, Henderson, NV 89052 · (702) 568-6108
Common questions
Do I have to wait until my periods stop?
No. Hot flashes often start in perimenopause, and you can get help while you’re still having periods. Your cycle and whether you need contraception still matter to the plan.
Will vaginal estrogen help my hot flashes?
No. Low-dose vaginal estrogen is for vaginal and urinary symptoms. Hot flashes need systemic treatment or a nonhormonal option.
How will I know the treatment is working?
We’ll agree on a goal up front: fewer episodes, milder ones, better sleep, less disruption. Then we measure against where you started, along with any side effects and how you feel overall.
Where this comes from
I name my sources because you deserve to check them. This page is education. It is not a diagnosis or a treatment plan for you, and it doesn’t make you my patient. What’s right for you depends on your history, and that conversation happens with a clinician who knows it.
