Medical Oncologist
Body image and intimacy
Sexual side effects of breast cancer treatment: the full picture
Breast cancer treatment often affects sexual health through lower oestrogen, tiredness, body image and emotions. Vaginal dryness, pain and low desire are common and treatable. Moisturisers, lubricants, physiotherapy, open conversations and counselling help. This page covers the full picture.
NG
Medically reviewed by Dr. Naresh GunduConsultant Medical Oncologist · MBBS, DNB (Internal Medicine), DM (Medical Oncology, AIIMS) · last reviewed September 2026, next review due September 2027
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On this page
- How can breast cancer treatment affect sex and intimacy?
- Sexual changes people commonly describe
- How different treatments may affect sexual health, in general terms
- The vocabulary, in plain language
- Honest realities of sexual side effects
- Practical ways to improve comfort
- Talking with your partner about intimacy
- How to raise sexual concerns with your care team
- Treatment-related menopause and intimacy
- If you are single or dating
- What people assume about sex after breast cancer
- Common questions about sexual side effects
The short answer
How can breast cancer treatment affect sex and intimacy?
Breast cancer and its treatment commonly affect sexual health and intimacy, yet many people feel too embarrassed to raise it with their doctor. Changes can be physical, emotional or both. Chemotherapy can bring on early menopause or temporary loss of periods, and hormone therapies such as aromatase inhibitors and oestrogen-blocking tablets can lower or block oestrogen. Lower oestrogen often causes vaginal dryness, thinning of vaginal tissues, discomfort or pain during sex, and reduced desire. Tiredness, nausea, hair loss, weight changes and scars can affect how you feel about your body and your interest in intimacy. Surgery can change breast sensation, and some people miss the pleasure they once felt from breast touch. Anxiety, low mood and relationship strain can also play a part, and some antidepressants reduce desire. For partners, fear of causing pain or uncertainty about what to say can create distance. The important message is that help is available. Non-hormonal vaginal moisturisers and lubricants, pelvic floor physiotherapy, vaginal dilators, open conversations, counselling and sometimes changes to medicines can make a real difference. Your care team is used to discussing these concerns, and raising them is completely appropriate.
It is common
A large proportion of people treated for breast cancer experience sexual changes.
It is treatable
Many problems improve with practical measures and support.
Raise it with your team
You can ask your oncologist, breast care nurse or gynaecologist, or request a referral to a specialist.
This page gives general information only. Your care team can advise on what suits you.Common changes
Sexual changes people commonly describe
Changes may be physical, emotional or both.
Vaginal dryness
Caused by lower oestrogen from chemotherapy or hormone therapy.
Pain during sex
Thinner, drier tissues can make intercourse uncomfortable.
Lubricants and moisturisers often help.Lower desire
Tiredness, mood, body image and hormones can reduce interest.
Body image concerns
Scars, hair loss or breast changes affecting confidence.
Also common
- Changes in breast sensation
- Difficulty reaching orgasm
- Worry about a partner's feelings
Not sure whether this applies to you?
Ask an oncologistBy treatment
How different treatments may affect sexual health, in general terms
Treatment
Possible effects
Surgery
Changed breast sensation, body image concerns, arm or chest discomfort
Chemotherapy
Tiredness, early menopause, vaginal dryness, lower desire
Aromatase inhibitors
Marked vaginal dryness and discomfort, joint aches
Oestrogen-blocking tablets
Hot flushes, changes in discharge, sometimes lower desire
Ovarian suppression
Sudden menopause symptoms, including dryness and lower desire
Words you will hear
The vocabulary, in plain language
- Vaginal atrophy
- Thinning and drying of vaginal tissues from low oestrogen.
- Vaginal moisturiser
- A non-hormonal product used regularly to relieve dryness.
- Lubricant
- A gel or liquid used during sex to reduce friction.
- Dyspareunia
- Pain during sexual intercourse.
- Vaginal dilator
- A smooth device used gently to maintain comfort and flexibility.
- Pelvic floor physiotherapy
- Exercises and techniques to relax and strengthen pelvic muscles.
Being straight with you
Honest realities of sexual side effects
Sexual changes are common and often improve, but some take time and effort to manage.
Hormone therapy effects can persist
Dryness and low desire may continue while hormone therapy is taken, often for years.
Hormonal treatments need discussion
Vaginal oestrogen products are sometimes considered for severe symptoms, but their use after breast cancer needs careful discussion with your oncologist.
Relationships may need attention
Changes in intimacy can affect both partners, and rebuilding closeness takes patience.
It is okay not to be interested
Some people have little interest in sex for a time, and that is also valid.
What this page cannot tell you
It cannot address your personal situation. Talk to your care team in confidence.
Practical help
Practical ways to improve comfort
Several simple approaches can reduce discomfort and help intimacy feel better.
Vaginal moisturisers
Non-hormonal moisturisers used a few times a week, not only before sex, help restore comfort.
Lubricants
Water-based or silicone-based lubricants reduce friction during sex. Avoid products with perfumes, warming agents or glycerin if they irritate.
Take more time
Allowing more time for arousal helps natural lubrication and comfort.
Try different positions
Positions that allow you to control depth and pace may reduce pain, and protect a sore arm or chest.
Pelvic floor physiotherapy
A specialist physiotherapist can teach relaxation techniques and the gentle use of dilators.
Review medicines
Some medicines, such as certain antidepressants, affect desire. Your doctor may be able to suggest alternatives.
Talk to our team
Have a question about your situation?
Call the helpline or leave your details, and someone will help you arrange a consultation at the CION centre nearest you. One helpline serves every CION centre.
Call 1800 202 8726
Helpline open 24/7
Talking together
Talking with your partner about intimacy
Open, gentle conversations can reduce misunderstanding and bring couples closer.
Choose a calm time
Talk outside the bedroom, when neither of you feels rushed.
Share feelings honestly
Explain what feels different, what is uncomfortable and what you miss or want.
Intimacy is more than sex
Holding hands, cuddling, massage and time together help maintain closeness.
Reassure each other
Partners often worry about hurting you or saying the wrong thing. Letting them know what helps reduces fear.
Couples counselling
A counsellor can help if conversations feel stuck or painful.
Getting help
How to raise sexual concerns with your care team
Many people wait for the doctor to ask, while doctors wait for patients to raise it. You can start the conversation.
Simple ways to start
You might say that treatment has affected your intimate life and you would like advice, or ask whether there is someone you can speak to about sexual health.
Who can help
Breast care nurses, oncologists, gynaecologists, pelvic floor physiotherapists and counsellors can all advise.
Privacy
These conversations are confidential, and you can ask to speak without family present.
Menopause
Treatment-related menopause and intimacy
For many women, the biggest cause of sexual changes after breast cancer is menopause, whether brought on early by chemotherapy or ovarian suppression, or made more intense by hormone therapy.
Why symptoms can feel stronger
A natural menopause usually happens gradually over years. Treatment-related menopause can happen suddenly, so symptoms such as hot flushes, dryness, sleep problems and mood changes may feel more intense.
Hot flushes and sleep
Night sweats and poor sleep lead to tiredness, which lowers interest in intimacy. Cooling bedding, layered clothing, regular exercise and some non-hormonal medicines can help.
Mood changes
Irritability, low mood or anxiety are common and can affect closeness. Talk to your team, as counselling and treatment are available.
Why hormone replacement is usually avoided
Standard hormone replacement therapy is generally not recommended after breast cancer, especially for hormone-sensitive cancer, so non-hormonal approaches are tried first.
Younger women
Women who were premenopausal before treatment may also be coping with concerns about fertility and future pregnancy. Ask your team for specialist advice.
Every situation
If you are single or dating
Sexual health matters whether or not you have a partner.
Deciding what to share
You choose when and how to tell a new partner about your cancer and any body changes.
Self-exploration
Getting to know how your body responds now, in private and at your own pace, can build confidence.
Safer sex
Condoms protect against infections, which matter more when immunity is lowered during treatment.
Support without a partner
Counsellors and survivor groups can help with worries about dating and relationships.
Commonly believed
What people assume about sex after breast cancer
Sex can make breast cancer come back.
Sexual activity does not cause breast cancer to return.
Doctors do not want to discuss sexual problems.
Sexual health is a normal part of cancer care.
Nothing can be done about dryness on hormone therapy.
Moisturisers, lubricants and other measures often help.
Cancer can pass to a partner through sex.
Breast cancer cannot be passed on through sexual contact.
Questions we are asked
Common questions about sexual side effects
Is it safe to have sex during chemotherapy?
Usually yes, with contraception and condoms for a few days after doses. Ask your team about infection and bleeding risk.
Do I need contraception?
Yes, if pregnancy is possible. Non-hormonal methods are usually advised.
Can I use vaginal oestrogen?
Sometimes, after careful discussion with your oncologist.
Will my desire return?
For many people it improves over time, especially with support.
What lubricant should I use?
Plain water-based or silicone-based lubricants are usually suitable.
Does breast reconstruction restore sensation?
Sensation is often reduced after reconstruction.
Can my partner come to appointments?
Yes, if you would like them to.
Who can I talk to confidentially?
Your breast care nurse, doctor or a counsellor.
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Talk to our team
Speak to a breast cancer specialist
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Sources
- American Society of Clinical Oncology — Interventions to address sexual problems in people with cancer guideline
- National Cancer Institute — Sexual health issues in women with cancer
- Breast Cancer Now — Sex, intimacy and breast cancer
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.