Sex, Intimacy and Cancer: Navigating Changes Together

A bowel cancer diagnosis brings with it more than just physical challenges. It often shakes up many areas of life, work, identity, future plans and, for many, one of the hardest-hit areas is intimacy. Whether you’re in a long-term relationship or exploring new connections, cancer can change how you feel about sex, desire, your body, and how you relate to your partner. The good news is that these challenges are common, valid, and absolutely worth talking about.

Let’s unpack how bowel cancer may impact sex and intimacy, and how to approach this important part of life with compassion, communication, and care.

How Bowel Cancer Can Affect Sexual Health and Intimacy

Sexuality is about much more than just physical acts. It includes how we feel in our bodies, how we connect emotionally, and how we relate to others. When you’re going through or recovering from treatment, all of these can shift, sometimes dramatically. These changes can include:

Physical effects:

• Fatigue, nausea or pain from surgery, chemotherapy or radiation
• Scarring, stomas, or bowel changes that affect body image or physical comfort
• Vaginal dryness or tightness (especially if treatment has triggered early menopause)
• Erectile dysfunction or loss of sensation
• Hormonal changes impacting libido

Emotional and psychological effects:

• Feeling less attractive or “not yourself”
• Worrying about how your partner sees you
• Grieving changes to your body or relationships
• Feeling anxious about sex or physical closeness
• Depression or trauma from the diagnosis or treatment process

Relational effects:

• Struggles with communication
• Shifts in dynamic if one partner becomes a carer
• Avoiding intimacy out of fear of rejection or causing discomfort
• Different needs or expectations about sex post-diagnosis

Is It Safe to Have Sex During Chemotherapy?

Many people wonder whether it’s safe, or even possible, to have sex during chemotherapy. The short answer is: yes, with a few important considerations. Chemo doesn’t mean your sex life has to stop entirely, but it may need to adapt depending on how you’re feeling physically and emotionally.

Here’s what to keep in mind:

• Listen to your body: Fatigue, nausea, and general discomfort are common during chemo. If you’re not feeling up to it, that’s okay. Let your energy guide you.
• Use protection: Chemo drugs can be present in body fluids for more than  48 hours after treatment. It’s best to use condoms or dental dams during this time to protect your partner, especially during oral, vaginal, or anal sex.
• Be mindful of infection risk: Chemotherapy can lower your white cell count, making infections easier to catch. Avoid sex if either partner has any active infections, and consider extra hygiene like showering beforehand and using barrier protection.
• Check for bleeding risk: Some chemo treatments reduce platelet levels, which can make bruising or bleeding more likely. Talk to your oncologist if you’re unsure whether certain sexual activities are safe during your current cycle.
• Emotional changes are normal: You might feel disconnected from your body, struggle with libido, or feel less confident. These are all valid experiences and they don’t mean anything is “wrong” with you.

If you’re unsure what’s safe or have specific concerns, bring it up with your oncologist or cancer nurse. These conversations might feel awkward at first but your medical team has heard it all before, and they’re there to help you stay safe and supported.

Addressing Common Concerns

“I don’t feel sexy anymore”

Many people experience a dip in confidence after surgery, weight changes, hair loss, or other visible side effects of cancer treatment. If you’ve had a stoma fitted, you might worry about how it looks, smells, or might behave during intimacy. These feelings are completely normal.

Tips to rebuild body confidence:

• Take time to get reacquainted with your body, on your own, without pressure.
• Wear clothing or lingerie that makes you feel comfortable and secure.
• Use accessories like stoma covers or wraps during intimacy if that helps.
• Talk to a stoma nurse or support service about ways to reduce leaks or odour concerns.
• Remember: confidence often returns gradually with positive experiences and support.

“We don’t talk about it…”

When one or both partners avoid talking about sex and intimacy, misunderstandings can easily take root. Silence might be misread as rejection, lack of desire, or indifference, when really, it’s often about fear or not knowing where to start.

Conversation starters to open the door:

• “Things feel different since treatment—I’d love to talk about how we’re both feeling.”
• “What are some ways we could feel close again, even if sex is off the table right now?”
• “It’s okay if we don’t have all the answers, but I want us to be in this together.”

Counselling can also help guide these conversations in a supportive environment. Services like the Cancer Council’s 13 11 20 line can connect you with trained counsellors, and many hospitals have psychologists or sex therapists on staff.

“What about dating and new relationships?”

If you’re single, newly diagnosed, or in remission, dating can feel daunting. You might worry about disclosure, timing, and how someone will react to your cancer history or physical changes.

Tips for navigating new connections:

• Be honest, but in your own time, there’s no rule saying you have to share everything on the first date.
• Practise your “script” so you feel confident when you’re ready to talk.
• Remember: the right person will value honesty, resilience, and your journey.
• Be open to redefining what intimacy looks like, it doesn’t always have to be sex-focused.

Bowel Cancer Australia also offers peer-to-peer support options that can help you connect with others who’ve walked a similar path.

Redefining Intimacy

Sex may be a challenge for a while, or take a different form than before. That doesn’t mean intimacy is gone. It just means it might need to be reimagined.

Ways to feel close without penetrative sex:

• Cuddling, holding hands, massages, or simply lying close
• Exploring sensual touch or mindful connection
• Using vibrators or sex toys to discover new forms of pleasure
• Mutual masturbation or using fantasy to stay connected
• Talking about fantasies, desires, and boundaries openly

Many couples find that emotional closeness deepens during this time, even if sexual activity is paused. Being physically affectionate without expectations can also help reduce pressure and build trust.

Practical Advice for Managing Physical Side Effects

For those with a stoma:

• Empty or change the bag beforehand to reduce anxiety
• Use a stoma cap, wrap or discreet underwear during intimacy
• Avoid positions that put pressure on the stoma area
• Communicate with your partner about comfort and preferences

For women experiencing vaginal dryness or tightness:

• Use water-based lubricants or vaginal moisturisers (ask your GP or pharmacist for Australian options)
• Consider vaginal dilators or pelvic floor physiotherapy if penetration is painful
• Talk to your oncologist about topical oestrogen if menopause has been triggered

For men experiencing erectile dysfunction:

• Medications like Viagra or Cialis may be helpful, speak to your GP
• Penile rings or vacuum pumps are drug-free options
• Counselling or sex therapy can help address performance anxiety

These issues are extremely common, especially for those diagnosed young. Don’t suffer in silence, speak to your medical team, a pelvic floor physio, or sexual health specialist.

Support Services and Where to Get Help

There are a number of supportive services across Australia that focus on sexual wellbeing during and after cancer:

Specialist support:

• Bowel Cancer Australia’s Nurse Helpline: Call 1800 555 494 or visit bowelcanceraustralia.org
• Cancer Council’s 13 11 20: Free and confidential support
• Sexual Health Victoria
• Jean Hailes for Women’s Health

Professionals to consider:

• Psychologist or sex therapist with cancer experience
• Pelvic health physiotherapist
• Oncology social worker
• Your GP or cancer nurse for initial referrals

You deserve support that respects your whole self, not just your diagnosis.

Tips for Partners

If you’re the partner of someone going through bowel cancer treatment, you might feel unsure how to support them in this space. Here’s how to keep the connection strong:

• Be patient. Changes in libido, comfort, or mood are common and not a reflection on you.
• Keep the affection going. Hugs, kisses, and compliments matter.
• Stay open to new forms of intimacy, even if they look different from before.
• Ask what they need, and share your needs too, healthy intimacy is a two-way street.
• Get support. It’s okay to feel confused or emotional, support groups for carers can help.

A Compassionate, Ongoing Journey

Sex and intimacy after a cancer diagnosis won’t look exactly like it did before, but that doesn’t mean it’s over. It’s just different. With honest conversations, support from professionals, and patience from yourself and your partner, a fulfilling intimate life is absolutely possible. There’s no right way to do this, only what works for you.

Keep in mind: it’s okay if things feel awkward at first. It’s okay if it takes time. And it’s okay to prioritise this part of your life, you are more than a patient. You are a whole person, with needs, desires, and the right to love and connection.

Final Thought

Rebuilding intimacy after bowel cancer isn’t about getting “back to normal,” it’s about creating a new normal that honours where you are now. Your body, your relationships, and your emotions have been through a lot. Treat yourself with the same compassion you would offer a loved one. Intimacy is still possible, still valuable, and still yours to define. Go at your own pace, seek help when you need it, and know that connection, pleasure, and love are still very much part of your story.