Regurgitation ------------- Regurgitation of food may result from handling a snake too soon after it has fed. Regurgitated food is undigested and relatively odorless. Another common cause of regurgitation is inadequate and incomplete digestion caused by relatively cool environmental temperatures. In these cases, the regurgitated food appears digested and is malodorous. If it is not possible to raise the temperature of the enclosure, a focal source of heat (hot rock, heating pad or pads) on which the snake can rest is a necessity to ensure adequate and complete digestion. Other causes of regurgitation include stress in easily excitable species, parasitism, intestinal obstruction and serious internal disease. An experienced veterinarian should be consulted if the cause for regurgitation is not readily determined.