Tamoxifen and bad joint pain

Hi there, so I’ve been on Tamoxifen 20 mg since beginning of March following lumpectomy 5 lymph nodes out and then radiotherapy which I finished on 17 April. My cancer was er + and progesterone positive and had not spread. I have medical history which meant AI drugs were not suited as they can cause bone thinning. I am getting a great deal of joint pain.. I already have osteoarthritis in my hands and now my hips and back are aching too im only 54 and very fit but I feel 80 odd. Also getting sleep issues. I am on magnesium ( not sure its glycinate) nightly and tried glucosamine but that upset my stomach. I feel defeated as im in a lot of pain with no real way to manage it on top of the radiotherapy induced fatigue.

Please can anyone offer advice??

Many thanks

Hi nsnoweandrews,

Thanks for posting.

It sounds like a difficult time with your joint aches and pains, disrupted sleep and fatigue. It is understandable that you’re feeling defeated, and it may help to know you are not alone in feeling this way.

Although less common, joint pain is one of the known side effects of tamoxifen. There are several things that can help ease painful symptoms, including regular simple pain killers (like paracetamol) or you can ask your treatment team or GP about other types of pain relief. Other ways to help include complementary therapies, gentle exercise and if necessary, a physiotherapy referral.

Arthritis UK has comprehensive information on joint pain, treatment and practical tips for managing it that you might find helpful.

Some women find changing the brand of tamoxifen helps with side effects, you can ask your treatment team or GP about this. It is worth noting that it takes most women about three months for their bodies to adapt to the newly lowered oestrogen levels, so you may notice an improvement over the next few weeks.

Although tamoxifen commonly causes fatigue, your radiotherapy finished 4 weeks ago so, as you mention, it is very likely that your fatigue is related to this treatment as well. There are techniques that many women find helpful for managing their fatigue, including eating a balanced diet and pacing yourself. It is important to give yourself regular breaks and plan for rest time. You may want to keep a diary to record when you feel most tired. This can help you plan activities you enjoy in the times when you have more energy. You may also be interested in the Macmillan booklet Coping with fatigue (tiredness).

You may find our Facebook live on mindfulness and sleep deprivation, and our Speakers Live session on better sleep helpful whilst your sleep is disrupted.

If you have not done so already, do discuss how you are feeling with your treatment team, breast care nurse or GP. Occasionally fatigue can be due to other conditions such as anaemia, (too few red blood cells in the body) or thyroid problems, so it’s important these are ruled out.

We hear from many women who are impacted by these side effects after their hospital-based treatment has finished. It can feel disappointing when you aren’t feeling ‘back to normal’, but it can sometimes help to share your experiences with others who may have been through something similar. If you haven’t done so already, you might like to look at our Someone Like Me and Moving forward services for further support during this time.

Do call our helpline if you would like to talk this through or have any further questions. The helpline team have time to listen, talk things through and signpost you to additional support and information if necessary. Your call will be confidential, and the number is free from UK landlines and all mobile networks.

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Best wishes,

Tiggy

Breast Care Nurse

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