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  5. Symptoms and signs concerning food and fluid intake (R63)

Symptoms and signs concerning food and fluid intake (R63)

Clinical Information for Symptoms and signs concerning food and fluid intake (R63)

Polydipsia, Psychogenic - A clinical disorder characterized by excessive fluid intake (polydipsia); HYPONATREMIA; and POLYURIA in SCHIZOPHRENIA and other psychiatric disorders. Impaired water metabolism in psychogenic polydipsia can result in WATER INTOXICATION.

Polydipsia - Excessive thirst manifested by excessive fluid intake. It is characteristic of many diseases such as DIABETES MELLITUS; DIABETES INSIPIDUS; and NEPHROGENIC DIABETES INSIPIDUS. The condition may be psychogenic in origin.

Anorexia - The lack or loss of APPETITE accompanied by an aversion to food and the inability to eat. It is the defining characteristic of the disorder ANOREXIA NERVOSA.

Anorexia Nervosa - An eating disorder that is characterized by the lack or loss of APPETITE, known as ANOREXIA. Other features include excess fear of becoming OVERWEIGHT; BODY IMAGE disturbance; significant WEIGHT LOSS; refusal to maintain minimal normal weight; and AMENORRHEA. This disorder occurs most frequently in adolescent females. (APA, Thesaurus of Psychological Index Terms, 1994)

Weight Gain - Increase in BODY WEIGHT over existing weight.

Anti-Obesity Agents - Agents that increase energy expenditure and weight loss by neural and metabolic regulation.

Body-Weight Trajectory - A general pattern of body weight gain or loss over many years. Weight change trajectory is influenced by several determinants in children and adults.

Diet, Reducing - A diet designed to cause an individual to lose weight.

Weight Loss - Decrease in existing BODY WEIGHT.

Weight Reduction Programs - Services providing counseling and activities that help overweight individuals to attain a more healthy body weight.

Body-Weight Trajectory - A general pattern of body weight gain or loss over many years. Weight change trajectory is influenced by several determinants in children and adults.

Gestational Weight Gain - Increase in body weight of the mother during the course of her PREGNANCY.

Fasting - Abstaining from FOOD.

Hypoglycemia - A syndrome of abnormally low BLOOD GLUCOSE level. Clinical hypoglycemia has diverse etiologies. Severe hypoglycemia eventually lead to glucose deprivation of the CENTRAL NERVOUS SYSTEM resulting in HUNGER; SWEATING; PARESTHESIA; impaired mental function; SEIZURES; COMA; and even DEATH.

Food - Substances taken in by the body to provide nourishment.

Body Weight - The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms.

Body Weight - The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms.

Pregnancy - The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.

Instructional Notations

Type 1 Excludes Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.