Tamoxifen Trouble

I have to take a particular brand of tamoxifen (from Genesis pharmaceuticals) as other brands irritate and cause UTIs.  Does anyone else have this problem? 

Hi Diane , Im sorry you didn’t get a reply to your post. I think a lot of women find that a particular brand suits them more than others and have actually got their GP to specify the brand on their prescription .It seems to be the additional ingredients added that make a difference ? Best wishes Jill x