Weight loss, along with constipation and morning nausea, can occur because of several conditions affecting digestion, hormones, appetite or metabolism. In some people, poor eating habits, stress, acidity, dehydration, thyroid problems or stomach infections could contribute together to these symptoms. Morning sickness is commonly linked with pregnancy in women of reproductive age, especially when nausea is stronger after waking up. Reduced food intake from nausea can gradually lead to weight loss and constipation. Constipation itself may worsen bloating, stomach discomfort, and loss of appetite. Low fibre intake, inadequate fluids, iron supplements, or reduced physical activity can also make bowel movements harder. Doctors may recommend pregnancy testing when appropriate, along with blood tests, thyroid evaluation, or abdominal assessment, if symptoms continue. Relief often improves with better hydration, fibre-rich foods, regular meals, light physical activity, and treatment of the underlying cause. Persistent vomiting, blood in stools, severe abdominal pain, or rapid unexplained weight loss should be checked carefully.