Oncology \u00b7 HRT
HRT after tamoxifen: what's possible
Systemic HRT is typically contraindicated in ER+ breast cancer survivors, but local vaginal therapies, non-hormonal medications, and CBT are all appropriate. Care must be individualized with oncology.
Key points
- Coordinate all decisions with oncology
- Consider fezolinetant, SSRIs
- Vaginal DHEA for GSM
- CBT for hot flashes
Frequently asked questions
Can breast cancer survivors take HRT?
Rarely systemic. Vaginal DHEA or estrogen may be acceptable with oncology sign-off.
What are non-hormonal options?
SSRIs, gabapentin, fezolinetant, oxybutynin, CBT, hypnosis.
Does tamoxifen cause hot flashes?
Yes — often severely. Fezolinetant is safe with tamoxifen.
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Written and medically reviewed by the Kindr Health Clinical Team · Published 2026-06-19 · Last reviewed 2026-07-01. Compounded medications are prepared by FDA-registered 503A pharmacies and are not FDA-approved drug products.