1875, Atlanta Medical and Surgical Journal, volume 12, page 133:
To the distensile enema of simple tepid water, no valid objection can be urged.
1934, George Morris Piersol, Edward LeRoy Bortz, The Cyclopedia of Medicine, volume 10, F. A. Davis Company:
[…] It is further neglected by a mental dependence upon cathartics or enemata to produce the stimulation. Defecalgesiophobia is a common cause for neglecting the act.
1983, Richard E. Behrman, Victor C. Vaughan, III, Nelson Textbook of Pediatrics, W. B. Saunders, →ISBN, page 249:
Iatrogenic poisoning can result from the use of magnesium in the treatment of hypertension or of toxemia of pregnancy; deaths have been reported from the use of magnesium sulfate enemas in megacolon and from oral administration for purging.