Difference between Evacuant Enema and Retention Enema.

1. Evacuant enema is used to eliminate different gaseous distension.
2. Retention enema is used to soften the stool.

Evacuant enema	Retention enema
A water-based formulation is used	1. A oil-based formulation is used.
2. Evacuant enema are intended to returned.	2. Retained enemas are intended to be retained.
3. Used to increase the water content of the stool.	3. Used in shock, collapse and some poisoning cases.