What are the symptoms of hydatid disease? Hydatid disease may not cause any symptoms for many years. But as hydatid cysts grow in your liver, lungs or other organs they may cause: Bloody stools. Coughing. Discomfort in your abdomen or chest. Hives or skin rash. Jaundice (yellow skin). Lump or mass in your midsection. Nausea and vomiting. Shortness of breath. Unexplained weight loss.