Desiccation. Diarrhea and vomiting both cause the liquid exit from a human body. That means desiccation when the patient’s body is in need of water. Otherwise, it can not work properly anymore. It is connected with the body electrolytes system, which needs moisture to be balanced. Due to the vomiting and other body dehydration in case of cholera the headache can occur, constipation, apathy. Furthermore, if the patient stays without any treatment heavy consequences will appear up to death.