Symptoms of acute hepatitis B

Some people notice joint aches, fever, pale stools or a general flu-like illness, while others have no clear symptoms. A clinician confirms infection with blood tests because the symptom pattern overlaps with several other liver and viral illnesses.

The immune response to hepatitis B can inflame liver cells. Early complaints may be vague, such as low energy, reduced appetite, nausea or discomfort beneath the right ribs. When bile handling is affected, urine can become dark, stools may look pale, and the skin or whites of the eyes may turn yellow.

Symptom intensity does not reliably show how active the virus is or how inflamed the liver has become. Blood tests assess hepatitis B markers and liver function, while the exposure history helps distinguish a recent infection from a past or longer-standing one.

Contact a healthcare professional after a possible blood or sexual exposure even if you feel well. Prompt assessment allows testing and advice about preventive care. If symptoms are present, stay hydrated, eat what you can tolerate and avoid alcohol, bodybuilding products and herbal remedies until liver health has been reviewed.

Do not share razors, toothbrushes, needles or equipment that may carry blood, and keep cuts covered. Use barrier protection during sex until a clinician explains your infection status. People who share a household or sexual contact can seek confidential advice about testing and vaccination.

Call emergency services for confusion, difficulty waking, collapse, vomiting blood, black stools, severe bleeding or a seizure. These are not routine hepatitis symptoms and can accompany dangerous liver dysfunction or another emergency.

Obtain same-day medical advice if vomiting stops you drinking, urine output falls, abdominal pain becomes severe, or jaundice is worsening. Earlier assessment is also appropriate during pregnancy or when you have existing liver disease or a weakened immune system.

Ask which tests distinguish recent from past infection, whether liver tests should be repeated, how to protect household and sexual contacts, and when normal work or exercise can resume. Share vaccination records and the timing and type of possible exposure.