Chewing and Spitting (C and S)
Chewing and spitting, also known as ‘C and S’, is a disordered eating behaviour that involves chewing food but then spitting it out instead of swallowing.
C and S is a behaviour commonly associated with eating disorders, particularly bulimia nervosa and anorexia nervosa. It’s considered a form of purging, which is an unhealthy compensatory behaviour to control weight or alleviate feelings of guilt after eating. Individuals who engage in C and S often consume food – often foods they perceive to be forbidden – for taste and texture satisfaction but avoid the caloric intake by spitting it out before swallowing. This is often secretive and done in isolation to avoid detection. It can lead to malnutrition and nutrient deficiencies, as the body does not receive the necessary nutrients from the food. It can also disrupt the normal digestive process and lead to gastrointestinal issues.
Treatment for C and S behaviour usually involves a comprehensive approach that addresses the underlying psychological issues and disordered eating patterns. This may include therapy, such as cognitive-behavioural therapy or dialectical behaviour therapy, to address the emotional and psychological factors contributing to the behaviour.
Nutritional counselling and support from a registered dietitian are also important in helping individuals develop a healthier relationship with food and establish regular eating patterns. In some cases, medication may be prescribed to manage associated mental health conditions such as anxiety or depression.
It’s essential to seek professional help if you or someone you know is engaging in C and S behaviour. A GP or mental health professional can provide an accurate diagnosis, develop an individualised treatment plan and offer the necessary support and guidance.

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