 [ Symptoms ] my daughter keeps loosing weight and she is not trying to she feels sick when she tries to eat [ Disease ] i am sorry to hear this it is worrisome for both mother and daughter is not it your daughter needs to seek medical attention for this i am not talking about rushing to the emergency room but she should make an appointment with a health care provider for an evaluation it is always a concern when someone is losing weight without trying to many conditions can cause unintentional weight loss including hyperthyroidism only a physical exam and additional testing by a medical professional can diagnose what is causing your daughter is symptoms i wish you both the best