i cant sleep

i was given trazodone hydrochloride 50mg 3 times a day since taking it i keep losing my balance i have fallen a few times my limbs hurt i have had diohrioe all the time i stager when i walk i have no life now i cant go out i have a urine infection well i think ii do im going to the doctors towmorrow i have such pains in my belly when i need to go then when im going it hurts when the urine is coming out many thanks Tracy Arber