R50-R69: General symptoms and signs

R63: Symptoms and signs concerning food and fluid intake

The group of conditions denoted under 'Symptoms and signs concerning food and fluid intake' encompasses various disorders that affect an individual's appetite, thirst, and intake of food and fluids. It includes abnormalities in eating patterns, such as eating too much or too little, and the excessive drinking of fluids or inadequate fluid intake. The causes behind these conditions can be quite diverse, ranging from medical conditions like diabetes and kidney diseases to mental health disorders like anorexia nervosa and bulimia. These conditions can manifest in a variety of symptoms like significant weight loss or gain, constantly feeling hungry or thirsty, unable to eat even when hungry, or an odd craving to consume certain types of food. Disease progression depends on the underlying cause and if left unaddressed, it can lead to serious complications affecting various body systems such as digestive issues, kidney problems, malnutrition, dehydration and more.