Tamoxifen - how long before side effects start to appear?

Hi,

I have been taking Tamoxifen for 2 months. So far l have only experienced mild nausea and some vaginal discharge. Can anyone tell me how long after starting Tamoxifen they experienced other side effects such as hair loss, muscle/joint pain etc. l am 65 but as l have osteoporosis l cannot take aromatise inhibitors.

Had lumpectomy (July) and radiotherapy 5 weeks ago for an Estrogen positive breast cancer.

Many thanks Liz