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To the Editor: Coffee enema has been used as an alternative therapy for various diseases, including cancer and constipation (1).However, its effect has not been proven and complications are not well known.o the Editor: Coffee enema has been used as an alternative therapy for various diseases, including cancer and constipation (1).
1 These types of enemas work like lubricants, making it easier for patients to pass impacted stools.  Saline solution enema. These homemade enemas require the purchase of some equipment, including an enema bag, enema tube, and distilled water.