Skip to Content
Home > Patients & Visitors > Health Library > Hot Flashes and Menopause
A hot flash is a sudden sensation of intense body heat, often with
profuse sweating and reddening of the head, neck, and chest. These symptoms can
occur with mild to severe heart palpitations, anxiety, irritability and,
rarely, panic. Hot flashes are the most common symptom of a woman's changing
estrogen levels around the time of her last menstrual period (menopause).
The biochemical cause of hot flashes is not well understood. Hot
flashes are more common at night than during the day and are a common cause of
sleep problems for perimenopausal and postmenopausal women.
While some women will never experience hot flashes, others begin
having them in their 30s. Hot flashes are most frequent and intense during the
first 2 years of
postmenopause, when estrogen levels have dropped below
a certain point. Sleep patterns usually improve within 6 to 12 months after hot
Current as of:
March 12, 2014
Anne C. Poinier, MD - Internal Medicine & Carla J. Herman, MD, MPH - Geriatric Medicine
How this information was developed to help you make better health decisions.
To learn more, visit Healthwise.org
© 1995-2014 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.
Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.
You'll find Decision Points to help you answer questions about:
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.
Send Us Your Feedback
North Kansas City Hospital.