Suggest Treatment For Constipation And Lower Abdominal Pain

pain in left kidney which runs around side of body down into front of abdomen just above penis on left side when i have a drink or something to eat it seems to get worse and i get like constipation pains low in the abdomen and pain in left kidney and fluttering in the belly at night time i get up to go to the toilet and i get very bad pain in my left kidney after i wee that only happens the first time then i might get up 2 or 3 more times through the night but don t have pain in kidney then when i wee i also have a lot of trouble sleeping i toss and turn all night and have bad lower back and hip pain have a lot of trouble walking when i walk the pain in my hips and lower back and legs make me stop after only say walking 50 meters i also can not sit for very long as i get pain in my lower back and in lower abdomen and i sleep a lot through the day yours paul p.s my age is 37