What does it mean to have a positive hepatitis B test without fever?

Apr 13, 2023 Source: Cainiu Health
Disease description:

Hello, doctor. I'd like to ask, what could be the reason for a positive hepatitis B test result without fever?

Doctor's answer (1)
Dr. Jin Zhongkui
Hepatitis B surface antigen positivity without fever, also known as hepatitis B, is an acute viral infection that can be transmitted through blood or by ingestion of contaminated fluids via the gastrointestinal tract, such as sewage from waste disposal. The virus spreads through the bloodstream to the liver and circulates throughout the body, impairing liver function. Clinically, it often presents without significant fever but may include mild systemic symptoms such as fatigue and abdominal pain. Occasionally, symptoms like skin itching, cyanosis, and icteric sclera may occur. Viral antibody testing is a key method for diagnosing and monitoring hepatitis B. Antigen tests can determine whether a person currently has hepatitis B, while hepatitis B virus antibody tests can identify whether someone has been previously infected and whether they have recovered. For patients with hepatitis B, a gentle diet is recommended, including plenty of fresh vegetables and fruits, which can improve nutritional status and support liver health.