Both tamoxifen and aromatase inhibitors (AIs) can cause vaginal and genital side effects. These are really common and, importantly, manageable — so there's no need to just put up with them in silence.
Common vaginal and genital side effects include:
- Vaginal dryness
- Vaginal discharge
- Vaginal irritation
- Reduced sex Show Full Answer
Both tamoxifen and aromatase inhibitors (AIs) can cause vaginal and genital side effects. These are really common and, importantly, manageable — so there's no need to just put up with them in silence.
Common vaginal and genital side effects include:
- Vaginal dryness
- Vaginal discharge
- Vaginal irritation
- Reduced sex drive
- Pain or discomfort during intercourse
- Difficulty with arousal or orgasm
As one MyBCTeam member shared: "I've been on tamoxifen for a year now. [I'm] still having issues with not being able to climax, which is very upsetting." Here are some ways these side effects are commonly managed:
- Vaginal moisturizers — used regularly (not just during intimacy) to help with dryness and irritation
- Lubricants — water-based options can help with comfort during sex
- Talk to your care team — they may suggest low-dose vaginal estrogen creams or other treatments depending on your specific situation
- Pelvic floor therapy — a specialist can help with discomfort and intimacy concerns
- Open communication with your partner — can reduce stress around these changes
It's worth noting that aromatase inhibitors tend to cause more intense vaginal dryness than tamoxifen because they lower estrogen levels more dramatically. One important caution: if you notice unusual vaginal bleeding, discharge that looks like cottage cheese with itching or burning, or any bloody discharge, let your healthcare team know right away. These can sometimes signal something that needs attention.
Never stop or adjust your hormone therapy without speaking to your care team first — they can help find solutions that keep treatment on track while improving comfort.
July 9
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