Symptoms of acute hepatitis B range from mild to severe. They usually appear about 1 to 4 months after you've been infected, although you could see them as early as two weeks after you're infected. Some people, usually young children, may not have any symptoms. Hepatitis B signs and symptoms may include: 
Abdominal pain
Dark urine
Fever
Joint pain
Loss of appetite
Nausea and vomiting
Weakness and fatigue
Yellowing of the skin and the whites of the eyes, also called jaundice
