Pms

I have been suffering with right sided tummy pain, lower back and right shoulder pain for some while which is causing fatigue sometimes chronic. My periodd are made up of mainly brown discharge for 5/ 6 days then maybe a two day (max)

Light but normal coloured blood then very light for another couple of days before stopping and ovulation starts again!! My doctors thinks pms and as I cannot take the pill suggested zoladex to switch of ovulation. Anyone else tried this, has it helped?

I am 43 and not in menopause apparently although I do feel

Like I am, itchy skin, metallic taste, mood low, waking up then sweating 10 seconds after. 

Any help/ advice would be much appreciated 😊