what is the cause of the symptoms nausea throwing up
Diarrhea and Foul smelling stools Viral gastroenteritis Gastroenteritis (stomach flu) is a viral condition that causes diarrhea and vomiting. Giardiasis Giardiasis is an infection of the small intestine causing diarrhea, gas, bloating, nausea and stomach cramps. - Nausea and vomiting may also occur when there are metabolic changes in the body, such as during early pregnancy, or when people have diabetes that is severely out of control or severe liver failure or kidney failure. Psychologic problems also can cause nausea and vomiting (known as functional or psychogenic vomiting). Nausea and Vomiting Causes, Symptoms, Diet, and Treatment Options In such disorders (for example, appendicitis or pancreatitis), it is typically the pain rather than the vomiting that causes people to seek medical care. Many drugs, including alcohol, opioid analgesics (such as morphine), and chemotherapy drugs, can cause nausea and vomiting. Nausea Nausea is a sensation of unease and discomfort in the upper stomach with an involuntary urge to vomit. It may precede vomiting, but a person can have nausea without vomiting. When prolonged, it is a debilitating symptom. Nausea is a non-specific symptom, which means that it has many possible causes. Some common causes of nausea are motion sickness, dizziness, migraine, fainting, low blood sugar, gastroenteritis (stomach infection) or food poisoning.