Shamana is the Sanskrit name for cleansing.It is used when Shodana is not appropriate. Both are used to rebalance the dosha, dhatus and malas and have different usages depending on the need of the client.
This cleaning is useful in less server conditions and seasonal transition.
If you are new to Okanagan Ayurveda it is suggested to have a dosha assessment before a cleanse. If you are a client then the cleanse consult is to be used.