Thickening of uterus after taking Tamoxifen

Hi, I had a small lump removed in 2016, had radiotherapy for 4 weeks and have been on Tamoxifen eversince. I have nearly always had a vaginal discharge since taking Tamoxifen and mentioned it at my first review, where the Dr told me it was a common side effect. Four years down the line and two weeks ago I noticed some brown colour in the discharge and I was starting to experience slight abdominal pain. I went to my GP straight away and within a week I attended hospital for an ultra sound. The radiographer told me that I have a fibroid (been there for about 16 years now), but the lining of my uterus has thickened up and there are a number of holes in it. My GP rang this morning to say that they are going to take a biopsy just to check that it’s nothing nasty and it will be within the next week or so. I’m desperately trying not to worry. As everything is moving so quickly, it’s a bit frightening. I just wondered if anybody else has experienced this. 

Hi lyndy lou

Just read your post as i was searching for info myself. I have been on tamo for three years. I had a bleed 18 months ago. Was sent for a ultra sound scan and an internal. I was told my womb lining was thickened it was 11mm. Then i had hysterscopy and biopsey. Results were nothing to be concerned about and put down to tamoxofin. Skip 18 months and bleed again. Same procedure of investigation. I had hysterscopy 3 weeks ago. Womb lining is now 24mm and they found 2 x 2 cm polyps , and i had womb biobsey. Still waiting for results. Im telling myself no news is good news . Hope everything turned out well for you x