If you want to know how to colon cleanse then there are a few things you are going to need to know. First, there are three basic steps that need to be included when it comes to learning how to colon cleanse, which are cleansing, maintenance and cleansing a second time. First you need to flush out your colon which you can do with any colon cleansing product. If you are interested in treating spastic colon without drugs, then you should first learn a bit about your options and determine the best method of treatment from here.