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.
Hepatocellular carcinoma: This is the most common form of primary cancer. Primary liver cancer is cancer that began in the liver. It can occur as a single tumor or many small cancer nodules throughout the liver. Primary liver cancer will commonly spread to the lungs, the portal vein (kidney), and portal lymph nodes.