What to do about fecal impaction?

i have a very hard time using the bathroom i have been to the er and the health depy like 7 times and they tell me to use laxitves grink water and eat fruit i do all that and still cant go it fells like my colon is goin to bust... they want me to see a specilist but with no insurnace he refuses to c me any body else been threw this? what did u do? also i have tried fiber pills miralax castor oil even go-lightly the stuff u drink before surgery and still my bowels will hardly move help plz???