<s>[INST] Why do antibiotics make you lose weight? [/INST] Sometime Antibiotics may disturb the digestive flora or bacteria in the intestine and absorption can be affected. It is not a pleasant way of losing weight infact prebiotics and probiotics need to be taken after antibiotics if there is disturbance in the bowel. Source: LOC. Link: https://obesityasia.com/faqs/. Field: Endocrinology. Disease: Obesity </s>