Hi, I had PP 5 years ago after my first son. (I have had a 2nd son and happily it all went perfectly and he is now 2 :). Anyway, I just wondered- no worries if not(!)- if anyone experienced any physical symptoms before getting sick. When I first came out of the hospital after his birth, I was feeling so elated and full of energy (probably start of the hypomania). But by about day 5, or 6, every time I kept feeling I could just faint at any moment (all my muscles would go limp and I felt very odd- can barely describe it- like I could just collapse onto the floor and crash through the floor). And then, every time I breastfed I had a bizarre rush of endorphins, like I had just snorted amphetamine, and like I could just fly off and float away?? As a rational being, I appreciate this sounds odd. I was feeling very happy but I was still myself at this point. I was too embarrassed to tell my husband and family and I think that made things get worse, as I started pretending I was so happy but underneath I started worrying there was physically something really wrong with me. A few days later, when my milk did finally come in, I then totally lost the plot and was delusional.
( I didn't breastfeed with no 2 and just went straight onto olanzapine, as the surge of hormones from breast feeding definitely made me feel like I was buzzing off caffeine, but much more intensely).
(At the psychiatric ward, they did find out my potassium levels were very low, so perhaps they could explain some of the symptoms- muscle weakness.) So I drank coconut water after baby no 2 just to make sure that kept my electrolytes stable.