Hi CocoH
Unfortunately many women find that pms symptoms worsen as menopause approaches - before peri-menopause (periods becoming irregular with longer cycles) - and hormones begin to go awry even while the ovaries are still functioning and you ovulate regularly.
I agree re the meds - maybe they don't combine well with hormonal symptoms. What are you taking? Also perhaps you should mention to your doc and possibly have blood tests eg for thyroid which causes tiredness - also feeling the cold and weight gain. Bursting into tears is a common symptom - I cried a lot - but this was once my periods had become irregular and I was getting hormone crashes.
I doubt your doc will test for menopause even though you are young, because your periods are regular, but have you thought of the pill or something like that to stabilise the hormonal surges? There is one called QLAIRA also ZOELY which are a bit like HRT and don't have many pill free days and will control your cycle. You would have to be able to tolerate the progestogens in the pills though.
Hurdity x