In the given case, the person Chad is suffering from hepatitis.
Hepatitis refers to the inflammation of the liver. The viruses are the prime causes for the majority of hepatitis cases. The kind of hepatitis is named for the virus, which causes it, like hepatitis A, hepatitis B, or hepatitis C. Some of the common symptoms of hepatitis are:
1. Loss of appetite
2. Fatigue
3. Mild fever
4. Joint or muscle pain
5. Pain in the belly and nausea and vomiting