You passed it on your way down the page to posting your question. Click on that link. And get ready to read just a little and to click a little. A good Constipation Article Infrequent or difficult evacuation of the faeces. The classical solution to constipation has always been to drink lots of water.
Prunes are a laxative and, as such, are habit-forming.
So long as they work and are only used for a short time, no problem. In cases of chronic constipation, avoiding anything that can be habit -forming would be best. Perhaps click that link and read Walt's article. In this case, you will have found something likely very applicable to your specific problem, at the very least to improving your comfort while you address other underlying causes to your constipation problem. I'm assuming that you already looked thru that archive.