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Polyphagia or hyperphagia is an abnormally strong, incessant sensation of hunger or desire to eat often leading to overeating. [1] In contrast to an increase in appetite following exercise, polyphagia does not subside after eating and often leads to rapid intake of excessive quantities of food.
Most common are somatic complaints such as fatigue, spasms, palpitation, numbness and tingling, pains, severe sweating and mental dullness. Hypoglycemia provides all at once a socially acceptable problem, a quasi-physiologic explanation and the promise of a relatively inexpensive and successful self-help program.
Unlike rumination, gastroparesis causes vomiting (in contrast to regurgitation) of food, which is not being digested further, from the stomach. This vomiting occurs several hours after a meal is ingested, preceded by nausea and retching, and has the bitter or sour taste typical of vomit. [4]
Unlike bulimia nervosa, binge eating disorder doesn’t involve compensatory behaviors — i.e., people don’t tend to over-exercise, use laxatives, or make themselves vomit after binge eating.
Hunger is a sensation that motivates the consumption of food. The sensation of hunger typically manifests after only a few hours without eating and is generally considered to be unpleasant. Satiety occurs between 5 and 20 minutes after eating. [1] There are several theories about how the feeling of hunger arises. [2]
“Hunger pang, a term often misinterpreted as 'hunger pain', is a term that describes the general discomfort caused by the feeling of hunger, involving contractions of the stomach when it is ...
Postprandial fullness is an unpleasant feeling of stomach fullness that occurs after eating. Patients might characterize postprandial fullness as a feeling of food remaining in the stomach for an extended period of time. Satiation is a lack of hunger after eating. It is the inverse of hunger and appetite. Early satiety is the disappearance of ...
The syndrome can occur at the beginning of treatment for eating disorders when patients have an increase in calorie intake and can be fatal. It can also occur when someone does not eat for several days at a time usually beginning after 4–5 days with no food. [5] It can also occur after the onset of a severe illness or major surgery. The ...