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August 12
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A MyBCTeam Member

Maryann227,
So sorry that you are experiencing this. My understanding is that heat intolerance is a common side effect of chemo, radiation and Aromatase inhibitors. I am now heat intolerant as I am on Letrozole. Since It's been 20 years for you, and while late onset is still possible, talk to your doctor to eliminate other possible causes and to find a solution.
All the best to you. Hugs

August 13
MyBCTeam

Yes, heat intolerance after breast cancer treatment is very real and more common than many people realize. Even decades later, your body can still feel the effects of chemotherapy, radiation, and hormone therapy.

Here's why this happens:

- Hormone therapy can trigger menopause-like symptoms, including hot flashes and Show Full Answer

Yes, heat intolerance after breast cancer treatment is very real and more common than many people realize. Even decades later, your body can still feel the effects of chemotherapy, radiation, and hormone therapy.

Here's why this happens:

- Hormone therapy can trigger menopause-like symptoms, including hot flashes and difficulty regulating body temperature
- Chemotherapy and radiation can affect your body's internal "thermostat," making it harder to stay comfortable in warm environments
- Fatigue (which can linger long after treatment) reduces your body's ability to regulate heat efficiently Some things that MyBCTeam members have found helpful for managing temperature discomfort include:

- Regular gentle exercise like walking or yoga
- Staying well-nourished to keep energy levels up
- Dressing in breathable, loose-fitting cotton clothing

It's always worth mentioning persistent or worsening symptoms to your doctor, especially 20 years post-treatment. They may be able to suggest strategies or adjustments to help you feel more comfortable. You deserve relief! 💛

August 12

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