im feeling really confused i have alot going on at the moment, so a month ago i got a stomach bug and it took about 3 days to come right, but ever since i got it ive had a stiff neck i feel sick every day mildly and it comes in waves but its making it hard for me to eat properly, im always tired and my bowel habits have changed.. some days i end up with mild diahorrea and other days im constipated accompanied by hemmorhoids that wont seem to go away (ive tried over the counter stuff and including more fibre in to my diet) also stomach cramps every day and lower back keeps getting achy which usually is a sign of my period but i still havnt got it since before i was pregnant with my son ,i have a four month old who im demand breastfeeding and he wakes about once or twice a night, and a 3 year old who stresses me out on a daily basis and also wakes once or twice a night as of recently. im usually a reasonably healthy person so i dont know whats wrong with me im sick of feeling unwell all the time could all of this be caused by stress? or is it lots of little things?. please help.