My chronic constipation is caused by nerve and muscle damage from surgery. Water intake, diet, exercise, and internal trigger point therapy have, for the most part, kept the situation under control. When these modalities are not quite enough and an impaction forms, I will use a Mineral Oil Enema followed by a Milk & Molasses enema 1/2 hour later as my last hope for relief short of a visit to the ER. I have found this combination more effective than Soap Suds Enemas. If this treatment does not bring relief, I know that professional treatment is going to be required.