NEED RELIEF FROM CONSTIPATION ASAP HELP

What can I do or take??? Been a few days now. I feel nauseated from it and icky. I am used to pooping 1-3 x a day lol. Now nothing!!! help... I tried a magnesium cirate, and milk... both usually do the trick. Even tried prune juice and NOTHING. I've only been able to poop like little deer poop only 1 though :( seriously helllp