After treatment
The short answer on feeling unwell after breast cancer treatment ends
Because the end of treatment is not the end of recovery. Your body is still healing, the people who checked on you every week are suddenly gone, and the fear you had no time for during treatment finally has room. Feeling worse before you feel better is common, and much of it can be helped.
What to know about feeling unwell after breast cancer treatment ends
- Fatigue can outlast treatment. It often eases, but some people feel it for months or years, and rest doesn't fully fix it.
- "Finished" may not mean finished. Many women go on to years of hormone therapy, which can bring menopause symptoms, poor sleep and brain fog.
- Mixed feelings are normal. Relief can arrive with anxiety, worry and sadness, sometimes all in the same day.
- Fear of recurrence is probably the most common fear. It often lessens over time. Scans can stir it up again.
- Moving your body helps. Walking and other activity you enjoy may give you more energy. Ask your team what's right for you.
- You don't have to wait for your next appointment. Call your care team about anything that worries you.
Your body is still recovering after breast cancer treatment ends
Treatment asks a lot of the body, and it doesn't hand everything back on the last day. The National Cancer Institute describes cancer-related fatigue as tiredness that is not completely relieved by sleep or rest. It often improves after treatment ends, but some people feel it for months or even years.
Other things can make fatigue worse: anemia, pain, poor sleep, depression or anxiety. Several of those can be treated, which is why it's worth naming the tiredness out loud instead of pushing through it.
A 2022 review in the Medical Journal of Australia estimated that around 30% of women have fatigue after breast cancer, especially after chemotherapy. It found that exercise has the strongest evidence for managing it, and that for insomnia, a less recognised problem, approaches such as cognitive behavioural therapy show promise.
The National Cancer Institute also notes that some effects of treatment, called late effects, can appear months or years later. What they are depends on the treatment you had, and they vary widely from person to person.
You may still be in treatment, even after active treatment ends
The last chemo session or radiation appointment often gets called the end. For many women it isn't. Hormone therapies such as aromatase inhibitors can continue for up to 10 years, according to the same review, and they, along with chemotherapy, mean a very high proportion of women have menopausal symptoms: hot flushes, night sweats, poor sleep and concentration, vaginal dryness and emotional changes.
The review also describes "chemo brain," trouble with attention, learning and memory, as one of the most common symptoms women report, during and after chemotherapy and while on hormone therapy. No specific treatment has proven to work yet, but addressing related problems like menopause symptoms or depression may help.
So if you feel like you're still in it, you may be. That's worth saying to your team.
The support around you can change overnight when treatment ends
During treatment you had a schedule, a team and people asking how you were. Afterward, visits spread out. The American Cancer Society says follow-up visits usually happen every 3 to 6 months at first, then less often, and about once a year after five years.
The National Cancer Institute notes that many people feel nervous about seeing their oncologist less often. That gap can feel like being let go before you were ready.
Fear often surfaces once breast cancer treatment is over
While you were in treatment, there was always a next step. When the steps stop, the questions arrive. The National Cancer Institute calls fear that the cancer will come back probably the most common fear survivors have, and says it often lessens over time. Follow-up scans can bring it back for a while; some survivors call this "scanxiety."
The American Cancer Society calls worry about recurrence a very common concern. Feeling it doesn't mean something is wrong.
It can also feed itself. The Medical Journal of Australia review points out that ongoing side effects act as a constant reminder of cancer and can make the fear worse, and that talking about it with your team and getting help when you need it can significantly improve quality of life.
What helps when you don't feel better after breast cancer treatment?
Ask for a survivorship care plan. A written plan can include your follow-up schedule, what to watch for, possible late side effects and healthy-living suggestions. Having it in writing can make the next year feel less like guesswork.
Move, gently and regularly. Walking and other activity you enjoy may help you feel better and have more energy. Yoga, tai chi and qigong have also been found to reduce fatigue. Your team can help you set a plan that fits your body now.
Protect your sleep. The National Cancer Institute suggests keeping naps to under an hour. If sleep is still hard, tell your team; insomnia can be treated.
Keep a symptom diary. Write down your energy, mood and anything new, along with questions for your next visit. It turns "I just don't feel right" into something your team can act on.
Find your people. A counselor, a support group or one friend who gets it. You don't have to be brave or grateful. You only have to be honest with someone.
Questions about recovery to bring to your next appointment after treatment
- Can I have a written survivorship care plan?
- How often will I see you, and who do I call between visits?
- Could my fatigue have a cause we can treat, like anemia, sleep problems or mood?
- Could my hormone therapy be causing some of what I feel? What can help with that?
- I'm not sleeping well. What can I try?
- Which side effects might show up later, and what should I watch for?
- What kind of exercise is right for me now? Should I see a physical therapist or exercise specialist?
- Can you refer me to a counselor or a support group?
Sources
National Cancer Institute, Fatigue and Cancer Treatment
National Cancer Institute, Life after Cancer Treatment: Your New Normal
National Cancer Institute, Facing Forward: Life After Cancer Treatment
National Cancer Institute, Living with Breast Cancer & Survivorship
Saunders CM, Stafford L, Hickey M. Surviving and thriving after breast cancer treatment. Med J Aust. 2022;217(5):225–227
American Cancer Society, Living as a Breast Cancer Survivor
American Cancer Society, Emotions and Breast Cancer
Babette is an independent media and education company, not a medical provider. This article explains common experiences; it is not advice for your situation. All decisions about your care belong to you and your doctor.
